@article{ 
author = {Ebadzadeh, T. and Ghaffari, S. and Alizadeh, M. and Asadian, K. and Ganjkhanlou, Y.},  
title = {The Effects of ZnO Additive on Sintering Behavior, Microstructural Evolution and Microwave Dielectric Properties of Li2TiO3 Ceramics}, 
abstract ={The densification behavior, structural and microstructural evolution and microwave dielectric properties of Li2TiO3 + xZnO (x = 0, 0.5, 1, 1.5, 2, 3, and 5 mol%) ceramics have been investigated using X-ray diffraction, Field Emission Scanning Electron Microscopy, Raman spectroscopy and microwave resonant measurement. The Maximum density of 3.33 g/cm3 was obtained in Li2TiO3 + 2ZnO ceramic at low sintering temperature of 1100˚C. SEM investigations revealed good close packing of grains when x = 2 and preferential grain growth when x ≥ 3. The maximum values of Q × f = 31800 GHz and εr = 22.5 were obtained in Li2TiO3 + 3ZnO and Li2TiO3 + 2ZnO compositions, respectively. The observed properties are attributed to the microstructural evolution and grain growth (first case) or high density of the obtained ceramic (second case).  },  
Keywords = {Li2TiO3, ZnO addition, Microwave dielectric properties, Microstructure, Sintering},
volume = {16},
Number = {1}, 
pages = {1-10}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.1.1},
url = {http://ijmse.iust.ac.ir/article-1-1075-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1075-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Imran, M. and Khan, R. and Badshah, S.},  
title = {Finite Element Analysis to Investigate the Influence of Delamination Size, Stacking Sequence and Boundary Conditions on the Vibration Behavior of Composite Plate}, 
abstract ={Composite structures are widely used in many applications ranging from, but not limited to, aerospace industry, automotive, and marine structures due to their attractive mechanical properties like high strength to weight ratios. However composite structures needs utmost care during structures manufacturing and working conditions should be assessed prior to installation. One of the important defect in composite structures is delamination. Present work is focused on investigation of delamination effects on the natural frequencies of composite plate using commercial finite element software, ABAQUS. Analytical results were also analyzed using MATLAB code. Different stacking sequences and boundary conditions are considered for study in both analytical formulation and finite element analysis. Finite element results are compared with analytical results to validate the perfect composite plate. The natural frequency of the composite plate reduced with an increase in delamination size. Additionally, all-sides clamped composite plate showed higher values of natural frequency than other constraints in lower modes for symmetrical laminates. Natural frequency in cross ply laminates are higher for the simply supported composite plates. On comparison, results from both the techniques, finite element analysis and analytical analysis, were in good agreement.},  
Keywords = {composite material, delamination, finite element analysis, abaqus simulation, natural frequency},
volume = {16},
Number = {1}, 
pages = {11-21}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.1.11},
url = {http://ijmse.iust.ac.ir/article-1-1152-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1152-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Darrudi, H. and Adelifard, M.},  
title = {Influence of Deposition Temperature as a Reducing Agent on Synthesis of Reduced Graphene Oxide (RGO) Nanosheets}, 
abstract ={In this paper we have investigated the physical properties of reduced graphene oxide (RGO) thin films prepared at various substrate temperatures of 230, 260, 290, 320 and 350 oC using spray pyrolysis technique. We have compared these films from various viewpoints, including structural, morphological, optical, electrical and thermos-electrical properties. XRD analysis showed a phase shift from graphene oxide (GO) to RGO due to elevate the substrate temperature from 200 oC to higher temperatures. FESEM images of RGO thin films reveal that a stacked image of irregular and folding nanosheets, and rod-like features at temperatures below and above 290 oC; respectively. Optical studies showed that the layers have a relatively high absorption coefficient (∼0.8×104 to 1.7×104 cm−1) in the visible range, with an optical band gap of 1.67–1.88 eV. The Hall effect data showed that all samples have a p-type conductivity with a hole concentration of ∼1015 cm−3, and sheet resistance values of about 106 Ω/sq, in agreement with previous reports. The thermoelectric measurements revealed that with increasing applied temperature gradient between the two ends of the samples, the thermoelectric electromotive force (emf) of the prepared RGO thin films increases.},  
Keywords = {Reduced graphene oxide (RGO), Nanosheets, Optical properties, Electrical properties,},
volume = {16},
Number = {1}, 
pages = {22-28}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.1.22},
url = {http://ijmse.iust.ac.ir/article-1-1106-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1106-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Bahrami, A. and Hosseini, M. R. and Kazemi, F. and Kheiri, S. and Bakhshi, M. and Rahimi, M. H.},  
title = {Separation of Petroleum Coke from Anode Stubs Produced During the Aluminum Electrolysis}, 
abstract ={Petroleum coke contains high amounts of carbon and is used in the manufacturing of anode electrodes for the aluminum extraction. In the process of aluminum production, some particles separate from anodes as waste which contain petroleum coke. Therefore, recycling and processing of these petroleum coke particles is the subject of this study. The ash content reduced to 31% and 13% in the jig and shaking table concentrate, respectively. These two steps were considered as the pre-processing methods and heavy media separation was used to decrease the ash content much more. Finally, flotation was performed in order to purify the particles with the size of less than one millimeter.},  
Keywords = {Anode electrode, Gravity separation, Petroleum coke, Recycling, Flotation},
volume = {16},
Number = {1}, 
pages = {29-38}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.1.29},
url = {http://ijmse.iust.ac.ir/article-1-1139-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1139-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Yazdani, N. and Javadpour, J. and EftekhariYekta, B. and Hamrang, M.},  
title = {Hydrothermal Synthesis of Cobalt- Doped Hydroxyapatite Nanoparticles: Structure, Magnetic Behaviour, Bioactivity and Antibacterial Activity}, 
abstract ={This study focuses on the physical, magnetic, biological and antibacterial behaviour of cobalt-doped HAp powder samples. Pure and Cobalt- doped HAp nanoparticles were synthesized by hydrothermal method. Calcium nitrate, di- ammonium hydrogen phosphate and cobalt nitrate were used as precursor materials.  The synthesized powders were characterized using x-ray diffraction pattern (XRD), fourier transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FESEM), vibrating sample magnetometer (VSM), Raman spectroscopy as well as MTT assay and cell adhesion test. Disc diffusion method was used to investigate antibacterial activity of the samples. The results confirmed the substitution of Ca by Co ions in the HAp lattice. In addition, this substitution induced size reduction and morphology change in HAp particles. All cobalt substituted HAp powder samples displayed paramagnetic properties, as opposed to the diamagnetic behaviour observed in the pure HAp samples. In addition, these nanoparticles exhibited cell adhesion, biocompatibility and antibacterial activity against S.aureus bacteria. This study focuses on the physical, magnetic, biological and antibacterial behaviour of cobalt-doped HAp powder samples. Pure and Cobalt- doped HAp nanoparticles were synthesized by hydrothermal method. Calcium nitrate, di- ammonium hydrogen phosphate and cobalt nitrate were used as precursor materials.  The synthesized powders were characterized using x-ray diffraction pattern (XRD), fourier transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FESEM), vibrating sample magnetometer (VSM), Raman spectroscopy as well as MTT assay and cell adhesion test. Disc diffusion method was used to investigate antibacterial activity of the samples. The results confirmed the substitution of Ca by Co ions in the HAp lattice. In addition, this substitution induced size reduction and morphology change in HAp particles. All cobalt substituted HAp powder samples displayed paramagnetic properties, as opposed to the diamagnetic behaviour observed in the pure HAp samples. In addition, these nanoparticles exhibited cell adhesion, biocompatibility and antibacterial activity against S.aureus bacteria.},  
Keywords = {Hydroxyapatite, Cobalt- hydroxyapatite, hydrothermal, paramagnetic, antibacterial activity},
volume = {16},
Number = {1}, 
pages = {39-48}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.1.39},
url = {http://ijmse.iust.ac.ir/article-1-1067-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1067-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Ngoret, J. and Kommula, V.},  
title = {Microstructural Investigation into Premature Failure of Compressor Turbine (CT) Blade Material of High Pressure (HP) PT6A-114A Engine}, 
abstract ={This paper investigates premature failure of High Pressure (HP) PT6A-114A Compressor Turbine (CT) blades used for short-haul aircraft fleet at 6378 hours, contrary to 10000 hours pre-set by the manufacturer. The CT blades were sectioned both transversely and longitudinally and subjected to several microstructural examinations; X-ray Diffraction (XRD), X-ray Fluorescence (XRF), Energy Dispersive Spectroscopy-Scanning Electron Microscopy (EDS-SEM) of the tips, airfoils, as well as the bases. It was observed that from repeated elevated heating, incomplete solutioning and recrystallization of the substrate material, brittle carbides were initiated and developed. The tips were more affected, followed by the airfoils and least at the bases. Impingement of heat from the combustors on the CT blades led to rapid graining and rafting with eventual cracking upon cooling. The results further suggested that pores which are typically manufacturing defects were pronounced at the bases than either at the airfoils and the tips. However, contrary to the expectation that the bases would degrade more and rapider, a more near uniform distribution of the cuboidal phase was evident relative to the tips and airfoils, confirming that degradation of the CT blades originated from creep and fatigue.},  
Keywords = {Inconel 713LC, XRD, XRF, EDS-SEM},
volume = {16},
Number = {1}, 
pages = {49-60}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.1.49},
url = {http://ijmse.iust.ac.ir/article-1-1121-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1121-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Abatal, M. and Gonzalez-Parada, A. and Quiroz, A. and Diaz-Mendez, S. E. and Alazki, H. and García-Vázquez, V. and Chavira, E.},  
title = {Structural and Electric Properties of the Ru0.9M0.1Sr2GdCu2O8 System with M = Zr, Mo, and Mn}, 
abstract ={The superconducting properties of the RuSr2GdCu2O8 ceramic system depend strongly on the synthesis conditions and the ionic substitutions. In this work, we studied the structural and electrical properties of the Ru0.9M0.1Sr2GdCu2O8 system, with M = Zr, Mo, and Mn. The samples were prepared by solid-state reaction at ambient pressure in air, using temperatures between 980 °C and 1020 °C. X-ray powder diffraction patterns indicate that all samples crystallize in a tetragonal symmetry (S.G. P4/mmm, No. 123). The structural data of each sample was refined by the Rietveld method, showing that the Cu-O (1) and Ru-O (1) bond lengths vary with the substituted ionic radii of Zr, Mo, and Mn ions. Electrical resistance measurements indicate that the samples annealed in flowing oxygen at 1050 °C and 1055 °C for 5 days exhibit a semiconductor like behavior for M = Mo and Mn, whereas the samples with M = Zr and Ru show superconducting behavior.       },  
Keywords = {Rutheno-cuprates, XRD, Electric resistivity},
volume = {16},
Number = {1}, 
pages = {61-67}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.1.61},
url = {http://ijmse.iust.ac.ir/article-1-1148-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1148-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {TavakoliHarandi, M. and Askari-Paykani, M. and Shahverdi, H. and NiliAhmadabadi, M.},  
title = {Effect of Casting Diameter and Heat Treatment Process on Microstructural Evolution and Mechanical Properties of Fe55-XCr18Mo7B16C4NbX(X=0,3) Ribbons and Nanostructured Rods}, 
abstract ={One-step and two-step annealing techniques were used to examine the relationship between microstructure and mechanical properties during compression tests in iron-based ribbons and nanostructured 1- and 2.5mm cylindrical rods. The X-ray diffraction, microstructural, and mechanical results showed that substituting Nb for Fe had a minor effect on glass-forming ability but increased the formability index. The novel two-step annealing process resulted in a remarkable formability index of 16.62 GPa, yield stress of 2830 MPa, ultimate strength of 3866 MPa, and 4.3% plastic strain. A ductile nanosized α-Fe framework and boron-containing nano precipitations, which caused Zener pinning effect, were responsible for these novel mechanical properties.},  
Keywords = {: Casting, Rapid solidification, Heat treatment, Microstructure, Mechanical properties},
volume = {16},
Number = {1}, 
pages = {68-76}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.1.68},
url = {http://ijmse.iust.ac.ir/article-1-1109-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1109-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Allahverdi, A. and Padar, Z. and Mahinroosta, M.},  
title = {Physico-Mechanical Properties of Organo-Modified Bentonite Reinforced Cement Mortars}, 
abstract ={It is demonstrated that the addition of organo-modified Na-bentonite (OMB) particles to Portland cement mortar can promote its physical and mechanical properties. A series of experimental works on some important physico-mechanical properties of Portland cement mortars mixed with various dosages of hydrophobic OMB were performed. The obtained results confirm that the OMB provides a dense packing effect. An optimum replacement level of around 3.5% (by weight) at an increased water-to-cement ratio of 0.53 results in an almost 11.43% increase in 28-day compressive strength along with about 20.78 and 16.20% reductions in total volume of permeable pore space and water absorption, respectively. Also, at the optimum replacement level, an increase of about 2.72% is taken place in dry bulk specific gravity.},  
Keywords = {Organo-modified bentonite, Cationic surfactant, Portland cement, Compressive strength, Water absorption},
volume = {16},
Number = {2}, 
pages = {1-9}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.2.1},
url = {http://ijmse.iust.ac.ir/article-1-1118-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1118-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Akbarzadeh, M. and Zandrahimi, M. and Moradpur, E.},  
title = {Effect of Substrate Bias Voltage and Ti Doping on the Tribological Properties   of DC Magnetron Sputtered MoSx Coatings‌}, 
abstract ={Molybdenum disulfide (MoS2) is one of the most widely used solid lubricants. In this work, composite MoSx/Ti coatings were deposited by direct-current magnetron sputter ion plating onto plain carbon steel substrates. The MoSx/Ti ratio in the coatings was controlled by sputtering the composite targets. The composition, microstructure, and mechanical properties of the coatings were explored using an energy dispersive analysis of X-ray (EDX), Xray diffraction (XRD), and nano indentation and scratch techniques. The tribological behavior of the coatings was investigated using the pin-on-disc test at room temperature. With the increase of doped titanium content, the crystallization degree of the MoSx/Ti composite coatings decreased. The MoSx/Ti coatings showed a maximum hardness of 13 GPa at a dopant content of 5 at% Ti and the MoSx/Ti composite films outperformed the MoSx films. Moreover, the films exhibited a steady state friction coefficient from 0.13 to 0.19 and the main wear mechanisms of the MoSx/Ti coating in air were abrasive, adhesive, and oxidation wear.},  
Keywords = {MoSX/Ti coating, tribological properties, low friction, PVD},
volume = {16},
Number = {2}, 
pages = {10-20}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.2.10},
url = {http://ijmse.iust.ac.ir/article-1-1221-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1221-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Adineh, M. and Doostmohammadi, H. and Raiszadeh, R.},  
title = {Effect OF SI and AL on the Microstructure, Mechanical Properties and Machinability of 65CU-35ZN Brass}, 
abstract ={Relations between the microstructure, mechanical properties and machinability of as-cast 65Cu-35Zn brass with various amounts of Al from 0 to 4.72 and Si from 0 to 3.62 wt% were investigated. Both Si and Al initially enhanced the UTS and toughness of the brass samples, which led to improvement in machinability due to a reduction in the main cutting force. A duplex brass with random oriented α plates in β’ matrix was found to have the best machinability among the other microstructures. It was found that beside the presence of brittle phases, such as β’ phase in the microstructure, the morphology and hardness of the phases involved had significant influence on machinability.},  
Keywords = {Brass, Silicon, Aluminum, microstructure, machinability},
volume = {16},
Number = {2}, 
pages = {21-32}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.2.21},
url = {http://ijmse.iust.ac.ir/article-1-1126-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1126-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {KarimiSahnesarayi, M. and Sarpoolaky, H. and Rastegari, S.},  
title = {Influence of Multiple Coating and Heat Treatment Cycles on the Performance of Nano-TiO2 Coating in Protection of 316L Stainless Steel against Corrosion under UV Illumination and Dark Conditions}, 
abstract ={In this study nanosized TiO2coatings on the 316L stainless steel substrate were prepared by means of dip-coating technique in which thickness of the coating layer increased byrepeating the coating cycles in two different routes: (I) dipping and drying,respectively, were repeated one, three and five times and finally the dried coated sample was heat treated (single); (II) multiple heat treatment performed after each dipping and drying cycle, respectively.The structural, morphological and optical characterizations of coatings as well as thickness of coatings were systematically studied.The photocatalytic activity of the various TiO2 coatings was investigated based on the degradation of an aqueous solution of Methyl orange.Moreover, thecorrosion protective properties of coatings were evaluated in both dark and UV illumination conditions based on the obtained polarization curves. The results indicated 1.75 times improvement in photocatalytic reaction rate constant, a two orders of magnitude decrease in corrosion current density in dark condition and about 140 mV electrode potential reduction under UV illumination with optimum coating preparation procedure, repeating the cycle from dipping to heat treatment three times, than the sample prepared with one time coating and heat treatment since this procedure provided not only high thickness and defect-free coating but also transparent one.},  
Keywords = {Nano-TiO2 coating, Sol-gel, Stainless steel, Multiple coating and heat treatment cycles, Corrosion protection, Photoelectrochemical cathodic protection},
volume = {16},
Number = {2}, 
pages = {33-42}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.2.33},
url = {http://ijmse.iust.ac.ir/article-1-1145-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1145-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Shanmugan, S. and Mutharasu, D.},  
title = {Synthesis of Boron-Aluminum Nitride Thin Film by Chemical Vapour Deposition Using Gas Bubbler}, 
abstract ={Boron included aluminium nitride (B-AlN) thin films were synthesized on silicon (Si) substrates through chemical vapour deposition ( CVD ) at 773 K (500 °C). tert-buthylamine (tBuNH2) solution was used as nitrogen source and delivered through gas bubbler. B-AlN thin films were prepared on Si-100 substrates by varying gas mixture ratio of three precursors. The structural properties of the films were investigated by X-ray diffraction (XRD) technique and verified the formation of polycrystalline and mixed phases of hexagonal (100), & (110) oriented AlN and orthogonal (002) & cubic (333) oriented BN. The crystallite size was smaller and dislocation density was higher as the deposition was conducted with lowest total gas mixture ratio (25 sccm). Improved surface properties were detected for film deposited using lowest total gas mixture ratio and confirmed by field emission scanning electron microscope (FESEM) and atomic force microscope (AFM). The composition of films showed the existence of higher concentration of B in the film prepared using lower total gas mixture ratio and confirmed by energy dispersive X-ray Spectroscopy (EDX).},  
Keywords = {B-AlN, thin film synthesis, CVD, structural parameter, surface analysis.},
volume = {16},
Number = {2}, 
pages = {43-54}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.2.43},
url = {http://ijmse.iust.ac.ir/article-1-1153-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1153-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {SenthilKumar, M. and Managalaraja, R. V. and SenthilKumar, K. and Natrayan, L.},  
title = {Processing and Characterization of AA2024/Al2O3/SiC Reinforces Hybrid Composites Using Squeeze Casting Technique}, 
abstract ={The present requirement of automobile industry is seeking lightweight material that satisfices the technical and technological requirements with better mechanical and tribological characteristics.  Aluminium matrix composite ( AMC ) materials meet the requirements of the modern demands. AMCs are used in automotive applications as engine cylinders, pistons, disc and drum brakes. This paper investigates the effect of particle size and wt% of Al2O3/SiC reinforcement on mechanical and tribological properties of hybrid metal matrix composites (HMMCs). AA2024 aluminium alloy is reinforced with Al2O3/SiC different particle sizes (10, 20 and 40 µm) and weight fractions (upto 10 wt %) were fabricated by using squeeze casting technique. HMMCs were characterized for its properties such asX-ray diffraction (XRD), density, scanning electron microscope ( SEM ), hardness, tensile strength, wear and coefficient of friction. AA2024/5wt%Al2O3/5wt%SiC with 10 μm reinforced particle size showed maximum hardness and tensile strength 156.4 HV and 531.43 MPa and decrease in wear rate was observed from from 0.00307 to 0.00221 for 10N. Hybrid composites showed improved mechanical and wear resistance suitable for engine cylinder liner applications.},  
Keywords = {Hardness, Density, Tensile, Wear, Squeeze casting, Particle size.},
volume = {16},
Number = {2}, 
pages = {55-67}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.2.55},
url = {http://ijmse.iust.ac.ir/article-1-1160-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1160-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Mohammadi, E. and Pourabdoli, M.},  
title = {Effect of Mechanical Activation on the Kinetics of Ammoniacal Thiosulfate Leaching of a Refractory Oxide Gold Ore}, 
abstract ={The effect of mechanical activation on the kinetics of ammoniacal thiosulfate leaching of a refractory oxide gold ore containing 2.8 ppm Au was investigated. The gold extraction of 99.81% was achieved by 16 h leaching of a sample mechanically activated for 60 minutes. The gold extraction observed for a similar reference sample without mechanical activation was only 55%. Studies revealed that leaching progresses at two different rates depending on the leaching time (0-2 h and 2-16 h). It was observed that diffusion through an ash layer as a dominant mechanism controls the leaching of samples mechanically activated up to 45 minutes during total leaching time, while reaction control and liquid film diffusion are dominant mechanisms for leaching of a sample mechanically activated for 60 minutes during 0-2 h and 2-16 h, respectively. The extraction observed during the ash diffusion step depends significantly upon mechanical activation time.  Mechanical activation of 60 minutes results in high gold extraction in this step which when combined with subsequent chemical reaction gives close to 100% gold extraction in a 16 hour leach.  Mechanical activation for up to 45 minutes leads to a modest improvement in overall gold extraction compared with the reference test without mechanical activation},  
Keywords = {Kinetics, Mechanical activation, Thiosulfate leaching, Refractory gold ore.},
volume = {16},
Number = {2}, 
pages = {68-78}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.2.68},
url = {http://ijmse.iust.ac.ir/article-1-1172-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1172-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Hajiannia, I. and Shamanian, M. and Atapour, M. and Ashiri, R. and Ghassemali, E.},  
title = {The Assessment of Second Pulse Effects on the Microstructure and Fracture Behavior of the Resistance Spot Welding in Advanced Ultrahigh-Strength Steel TRIP1100}, 
abstract ={In this study, the effects of the second pulse resistance spot welding on the microstructure and mechanical properties of TRIP1100 steel were evaluated. The thermal process after welding was designed to improve metallurgical properties with pulse currents of 6kA, 9kA and 12kA after initial welding with 10kA current. The effect of the second pulse on mechanical and microstructural properties was investigated. The fracture of the welds was for pulsed samples of 6kA and 9kA PO with CTS test. Due to existence of the microstructure including the equaxial dendritic and finer in FZ in the pulsed current 9kA, the maximum fracture energy and maximum force were observed. A significant decrease in the FZ hardness in 6kA current was observed in the nanohardness results, which was attributed to existence martensitic and ferrite temper. The highest ratio of CTS / TSS was obtained for 6kA and 9kA, respectively, and force displacement rate was maximum in 9kA. The fracture surfaces included dendrites and dimples. The results of partial fracture revealed separation in the coherent boundaries of the coarse grain of the annealed region.},  
Keywords = {resistance spot welding, second pulse current, fracture surface, shear tensile, dendritic microstructure},
volume = {16},
Number = {2}, 
pages = {79-88}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.2.79},
url = {http://ijmse.iust.ac.ir/article-1-1204-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1204-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Mirzaei, S. and Saghafian, H. and Beitollahi, A. and Świerczek, J. and Tiberto, P.},  
title = {Effect of Heat Treatment on the Microstructure and Soft Magnetic Properties of the Amorphous Fe-B-P-Cu Alloy}, 
abstract ={In the present research, rapidly solidified Fe85.3B11P3Cu0.7 ribbons were prepared by melt spinning process. The microstructural variation as well as magnetic properties of the as-spun and annealed ribbons were characterized by X-ray diffraction (XRD), transmission Mossbauer spectroscopy and alternating gradient field magnetometer (AGFM). The results show two separated distinct exothermic peaks during heating resulting from the phase transition from amorphous to α-Fe and then to Fe3B, respectively. The study of magnetic properties in the amorphous and nanocrystalline states revealed that annealing the amorphous ribbons at 440˚C for 10 minutes gives rise to a significant increase in saturation magnetization (220 emu/g) which makes this alloy a good candidate for power applications.},  
Keywords = {Melt spinning, Mossbauer spectroscopy, Crystallization, Soft magnetic properties},
volume = {16},
Number = {3}, 
pages = {1-11}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.3.1},
url = {http://ijmse.iust.ac.ir/article-1-1156-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1156-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Buitrago-Sierra, R. and Santa, J. F. and Ordoñez, J.},  
title = {Evaluation of Mechanical and Thermal Properties of Polypropylene Modified with Nanostructured ZSM-5 Zeolite}, 
abstract ={Polypropylene (PP) has been one of the most widely used polymers due to the versatility and cost benefits obtained with this material. In this work, composites of PP modified with nanostructured ZSM-5 zeolite were prepared and their thermal and mechanical properties were evaluated. Zeolites were synthetized by hydrothermal method and the crystallization time was modified to evaluate the effect of that parameter on zeolites properties. Scanning electron microscopy, thermal analyses, x-ray analysis, among others, were used to analyse the nanostructured particles. Composites were prepared by melt mixing in a torque rheometer and compression moulding. After obtaining the composites, mechanical and thermal properties were evaluated. The results showed that some properties (surface area, and crystallinity) of zeolites depend on the crystallization time. Young’s modulus and elongation at rupture of composites were modified when the zeolites were added to the polymer matrix. No significant modifications were found on thermal properties.},  
Keywords = {Composites, Mechanical properties, Polypropylene, Thermal properties, Zeolites.},
volume = {16},
Number = {3}, 
pages = {12-23}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.3.12},
url = {http://ijmse.iust.ac.ir/article-1-1123-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1123-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Demouche, M. and Ouakdi, E. H. and Louahdi, R.},  
title = {Effect of Welding Parameters in the Microstructure and Mechanical Properties of Friction-Welded Joints of 100Cr6 Steel}, 
abstract ={ In this study, high-carbon, chromium alloy steel (100Cr6) having the initial spheroidized microstructure was welded using the rotary friction welding method. The effects of process parameters such as friction time and friction force were experimentally investigated. The friction welded joints were produced of two 100Cr6 steel rods. In order to examine the microstructure and mechanical properties of the friction welded 100cr6 steel joints, tensile and hardness tests were conducted. The microstructure of weld zone was examined by optical microscopy. It was found that after cooling, martensitic structure is obtained at the core and periphery of the weld joint. It was found that the tensile strength of friction welded samples is increased with increasing time and force of friction up to a certain level and then decreases again. Hardness measurements show a higher hardness at the centre of the weld joint in comparison with its periphery.},  
Keywords = {Rotary friction welding, 100Cr6 steel, Heat Affected Zone, mechanical properties,  microstructure.},
volume = {16},
Number = {3}, 
pages = {24-31}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.3.24},
url = {http://ijmse.iust.ac.ir/article-1-1255-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1255-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Fathi, H. and MohammadSadeghi, B. and Emadoddin, E. and MohammadianSemnani, H.},  
title = {Effect of Strain Induced Martensite on the Deep Drawing Behavior of 304L Steel: Simulation and Experiment}, 
abstract ={Abstract In the present research, the behavior of 304L austenitic stainless steel in the deep drawing process has been studied at the room temperature through experimental and finite element simulation method. Magnetic method calibrated by XRD was used to measure induced-martensite. Martensite volume fraction in the various portion of the deep drawn cup under optimum Blank Holder Force (BHF) and in the rupture location was evaluated. Findings of the present study indicated that higher martensite volume fraction occurred in the flange portion in the drawn cup due to higher strain and stress concentration in this area. Also, rupture happened at the arc portion of the wall of drawn cup with higher blank diameter due to higher strain, work hardening and martensitic transformation. Both experimental and simulation results showed that maximum LDR of 2 obtained in the forming process. All experimental procedures were simulated by LS-DYNA software, employing MAT_TRIP, and experimental results were in good agreement with the FE simulation.},  
Keywords = {Stress, Strain, Triaxiality, Martensitic transformation, Austenitic stainless steel, Deep drawing},
volume = {16},
Number = {3}, 
pages = {32-43}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.3.32},
url = {http://ijmse.iust.ac.ir/article-1-1170-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1170-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Khakzadshahandashti, A. and Varahram, N. and Davami, P. and Pirmohammadi, M.},  
title = {Evaluation of Simultaneous Effect of Melt Filtration and Cooling Rate on Tensile Properties of A356 Cast Alloy}, 
abstract ={The combined influence of both melt filtration and cooling rate on the microstructure features and mechanical properties of A356 cast alloy was studied. A step casting model with five different thicknesses was used to obtain different cooling rates. The effect of melt filtration was studied by using of 10 and 20 ppi ceramic foam filters in the runner. Results showed that secondary dendrite arm spacing decreased from 80 μm to 34 μm with increasing cooling rate. Use of ceramic foam filters in the runner led to the reduction of melt velocity and surface turbulence, which prevented incorporation of oxide films and air in the melt, and consequently had an overall beneficial effect on the quality of the castings. A matrix index, which is the representative of both SDAS and microporosity content, was defined to consider the simultaneous effect of melt filtration and cooling rates on UTS variations. Also, the fracture surface study of test bars cast using 10 and 20 ppi ceramic foam filters showed features associated with ductile fracture.  },  
Keywords = {Aluminum alloys, microstructure, tensile properties, defects},
volume = {16},
Number = {3}, 
pages = {44-51}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.3.44},
url = {http://ijmse.iust.ac.ir/article-1-1173-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1173-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Shahmohamadi, E. and Mirhabibi, A. and Golestanifard, F.},  
title = {Modelling Temperature Dependency of Silicon Nitride Formation Kinetic during Reaction Bonded Method}, 
abstract ={An accurate prediction of reaction kinetics of silicon nitridation is of great importance in designing procedure of material production and controlling of reaction. The main purpose of the present study is to investigate the effect of temperature on the kinetics of reaction bonded silicon nitride (RBSN) formation. To achieve this, nitrogen diffusion in the silicon nitride layer is considered as a reaction controlling factor and sharp interface method based on this theory is used to develop the analytical model. In the developed model, the variations in the size of silicon particles are calculated for the whole reaction. In the experimental phase, the extent of nitridation is measured for different reaction temperatures and 4 different reaction times and then, the occurrence of full nitridation is shown by EDS analysis. Furthermore, an analytical approach was established for describing the kinetics of compound formation and the performance of the developed model is evaluated through statistical analysis. There was good agreement between experimental data and predictions of the developed model which demonstrates the accuracy of considered presumptions and reaction mechanisms. An accurate prediction of reaction kinetics of silicon nitridation is of great importance in designing procedure of material production and controlling of reaction. The main purpose of the present study is to investigate the effect of temperature on the kinetics of reaction bonded silicon nitride (RBSN) formation. To achieve this, nitrogen diffusion in the silicon nitride layer is considered as a reaction controlling factor and sharp interface method based on this theory is used to develop the analytical model. In the developed model, the variations in the size of silicon particles are calculated for the whole reaction. In the experimental phase, the extent of nitridation is measured for different reaction temperatures and 4 different reaction times and then, the occurrence of full nitridation is shown by EDS analysis. Furthermore, an analytical approach was established for describing the kinetics of compound formation and the performance of the developed model is evaluated through statistical analysis. There was good agreement between experimental data and predictions of the developed model which demonstrates the accuracy of considered presumptions and reaction mechanisms.},  
Keywords = {Reaction bonded silicon nitride (RBSN), Kinetic Modeling, Silicon Nitride, Sharp interface model (SIM), Diffusion Control},
volume = {16},
Number = {3}, 
pages = {52-66}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.3.52},
url = {http://ijmse.iust.ac.ir/article-1-1288-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1288-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Minbashi, M. and ZareiMoghadam, R. and Ehsani, M. H. and RezagholipourDizaji, H. and Omrani, M.},  
title = {Theoretical and Experimental Investigation of Optical Properties of ZnS Zig-Zag Thin Films}, 
abstract ={Zigzag ZnS thin films prepared by thermal evaporation method using glancing angle deposition (GLAD) technique. ZnS films with zigzag structure were produced at deposition angles of 0˚, 60˚ and 80˚ at room temperature on glass substrates. Surface morphology of the films w::as char::acterized by using field emission scanning electron microscopy (FESEM). The optical properties of the specimens were investigated by using UV-Vis spectroscopy technique. To characterize the porosity of the simulated structures, the PoreSTAT software which analyses the NASCAM software was employed. The optical transmissions of the samples were calculated by using NASCAM optics package. The simulation results are completely in agreement with the experimental results.  },  
Keywords = {Zigzag, ZnS thin film, Glancing angle deposition, Optical properties.},
volume = {16},
Number = {3}, 
pages = {67-74}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.3.67},
url = {http://ijmse.iust.ac.ir/article-1-1151-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1151-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Khalili, A. and Mojtahedi, M. and Goodarzi, M. and Torkamani, M. J.},  
title = {Synthesis oF Fe-TiC Hard Coating From Ilmenite via Laser Cladding}, 
abstract ={The aim of this work was to synthesize TiC reinforced coating on carbon steel via reduction of ilmenite powder. A mixture of ilmenite and graphite was pre-placed on AISI 1020 steel surface. The effect of the addition of excess graphite amounts on the progress of synthesis of carbide particles was studied. The evolution of phases in different coatings was analysed via X-ray diffraction and scanning electron microscopy. Then again, the initial powder mixtures were mechanically activated for various durations, to accelerate the reactions in transient melt pool. Finally, the Fe-TiC hard coating was successfully synthesized by carbothermic reduction of ilmenite through laser surface treatment. Moreover, it is proved that combination of mechanical activation with additive laser melting effectively improves the level of ilmenite reduction, besides enhancing the distribution of hard particles and the hardness of the coatings to more than 1300 HV.},  
Keywords = {laser surface treatment, cladding, hard coating, TiC particles, carbothermic reduction},
volume = {16},
Number = {3}, 
pages = {75-86}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.3.75},
url = {http://ijmse.iust.ac.ir/article-1-1183-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1183-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Palizdar, M. and Aslam, Z. and Aghababazadeh, R. and Mirhabibi, A. and Sangpour, P. and Abadi, Z. and Palizdar, Y. and Brydson, R.},  
title = {Chemical Interaction Between MgO Support and Iron Catalyst}, 
abstract ={In this paper the chemical interaction between catalyst and support has been studied to understand the observed different growth rate of CNTs in our previous paper. Both pure MgO and Mg(NO3)2 . 6H2O as sources of the MgO catalyst support and Fe2(SO4)3 · xH2O as the source of the Fe catalyst, were employed. A Fe catalyst supported on MgO has been synthesized using the wet impregnation method followed by calcination. To compare the catalyst grain size and its distribution, the sample were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray powder diffraction (XRD) and BET specific surface area (SSA) measurement and X-ray photoelectron spectroscopy (XPS). XPS technique have utilized complementary to demonstrate the existence of chemical interaction between MgO support and Fe catalyst. Results revealed that the type of precursor used to prepare the support has a significant influence on the morphology of the support and the associated distribution of the Fe catalysts. The highest yield of MgFe2O4 phase was obtained using a pure MgO precursor which after calcination results in a homogenous distribution of nano-sized Fe particles over the support surface},  
Keywords = {Catalyst, Support, Magnesium ferrite},
volume = {16},
Number = {4}, 
pages = {1-9}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.4.1},
url = {http://ijmse.iust.ac.ir/article-1-1253-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1253-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Aydın, H.},  
title = {Effect of the La2O3 Addition on Thermal, Microstructure and Mechanical Properties of Mullite–Zirconia Composites}, 
abstract ={Mullite–zirconia composites were prepared using lanthanum oxide (La2O3) additive which three different mole ratio by the reaction sintering (RS) route of alumina, kaolinite and zircon. Starting materials were planetary milled, shaped into pellets and bars and sintered in the temperature range of 1450–1550 0C with 5 h soaking at peak temperature. In this work, the mullite-zirconia composites were characterized by thermal expansion coefficient, physical, microstructures and mechanical properties. The XRD method were employed for determining the crystalline phase composition of these composites. Microstructure of the composites was examined by SEM. ZrO2 takes part in both the intergranular as well as intragranular positions. However, intragranular zirconias are much smaller compared to intergranular zirconias.},  
Keywords = {Mullite-zirconia composites, thermal expansion coefficient, reaction sintering, mechanical properties},
volume = {16},
Number = {4}, 
pages = {10-19}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.4.10},
url = {http://ijmse.iust.ac.ir/article-1-1297-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1297-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {OstovariMoghaddam, A. and Shokuhfar, A. and Cabot, A.},  
title = {Ball Milling and Post Annealing as an Effective Route to Synthesize Co1-xCuxSbS Paracostibite Thermoelectric Material}, 
abstract ={Metal sulfides containing non-toxic and earth abundant elements have emerged as new environmentally friendly thermoelectric materials. In the present work, a new, fast and large scale route to synthesise bulk nanostructured Co1-xCuxSbS paracostibite is presented. Stoichiometric compositions of Co1-xCuxSbS nanoparticles with 0 ≤ x ≤ 0.08 were first processed by high energy ball milling for 3 h, and then annealed at different temperatures between 400 ºC to 650 ºC for 1 h. The phase transitions and diffusion process during annealing were thoroughly studied by x-ray diffraction (XRD) and scanning electron microscopy (SEM). Agglomerated nanoparticles with sizes in the range from 40 nm to 80 nm were obtained after 3 h of ball milling, and remained below 100 nm after annealing and hot pressing. The thermoelectric properties of hot pressed samples, including the Seebeck coefficient (S), electrical conductivity (σ) and thermal conductivity (k), were measured from room temperature up to 723 K. All the samples exhibited a p-type semiconductor character at room temperature and underwent a transition from p-type to n-type conduction above 473 K. a maximum ZT value of 0.12 was obtained for Co0.06Cu0.04SbS4 at 723 K.},  
Keywords = {CoSbS, thermoelectric, nanostructure, conduction type, Cu-doping},
volume = {16},
Number = {4}, 
pages = {20-26}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.4.20},
url = {http://ijmse.iust.ac.ir/article-1-1168-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1168-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Hoghooghi, M. and Jafari, O. and Amani, S. and Faraji, G. and Abrinia, K.},  
title = {Microstructure and Hardness Evaluation of Magnesium Samples Processed by a New Design of Spread Extrusion Method}, 
abstract ={Spread extrusion is a capable method to produce different samples with a wider cross-section from the smaller billets in a single processing pass. In this study, dish-shaped samples are successfully produced from the as-cast cylindrical AM60 magnesium alloy at 300 °C, the mechanical properties and microstructural changes of the final specimens are precisely evaluated. Due to the high amount of plastic strain, which is applied to the initial billet during the material flow in the expansion process, grain refinement occurred as a result of recrystallization and subsequently good mechanical properties achieved. Therefore, mean grain size reduced from 160 µm to 14 µm and initial equiaxed grains changed to the elongated ones surrounded by fine grains. Also, microhardness measurements indicate that hardness increased from 51 Hv to 70 Hv. Some fluctuations were also observed in the hardness profile of the sample which was mainly related to the bimodal structure of the final microstructure. Good mechanical properties, fine microstructure, and also the ability to produce samples with higher cross-section make the spread extrusion process a promising type of extrusion.},  
Keywords = {Spread extrusion, AM60 magnesium alloy, grain refinement, microhardness},
volume = {16},
Number = {4}, 
pages = {27-35}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.4.27},
url = {http://ijmse.iust.ac.ir/article-1-1165-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1165-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Dave, V. and Kotian, R. and Madhyastha, P. and Boaz, K. and Rao, P. and Charitha, B.P.},  
title = {Simulated Porcelain Firing of CO-CR Alloy}, 
abstract ={The aim of the present study is to assess the hardness, corrosion, and cytotoxicity of a commercially available cobalt-chromium (Co-Cr) alloy before and after simulated heat treatments at porcelain firing temperature. Five Co-Cr samples were fabricated using lost wax casting procedure. Heat treatments were carried out at 650°C, 750°C, 850°C, and 950°C. Vickers hardness was measured for as-cast and heat treated samples. The corrosion test was carried out separately in 0.1 N NaCl, 1% citric acid and artificial saliva at room temperature using potentiodynamic polarization technique. Gingival tissue biopsy of patients was taken and cultured to measure the cell viability by MTT colorimetric assay. Lowest hardness was observed at 650°C. 0.1 N NaCl and 1% citric acid corrosion medium showed a similar trend of corrosion rate. The least corrosion rate was found in artificial saliva. Firing temperature has an impact on the physical, chemical and biological properties of Co-Cr alloy in long-term clinical use.},  
Keywords = {Cobalt-chromium, Heat treatment, Corrosion, Cytotoxicity, Hardness},
volume = {16},
Number = {4}, 
pages = {36-42}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.4.36},
url = {http://ijmse.iust.ac.ir/article-1-1275-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1275-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Abbasian, A. R. and Rahimipour, M. R. and Hamnabard, Z.},  
title = {Sintering Behavior of Lithium Meta Titanate Nanocrystallites}, 
abstract ={In this work, lithium meta titanate (Li2TiO3) nanocrystallites were synthesized by hydrothermal method and subsequent heat treatment. The shrinkage of the powder compact was measured under constant heating rate in order to study the sintering behavior of the synthesized powders. Densification curves of the synthesized powders were also constructed via the dilatometry analysis and evaluated at several heating rates. Two separate methods of analytical procedure and master curve sintering were employed to determine the activation energy of the initial sintering stage. The activation energy values were estimated based on these two distinct methods as 229±14 and 230 kJ/mol respectively, consistenting with each other. Moreover, surface diffusion was determined as the dominant mechanism of densification on initial sintering of Li2TiO3 nanocrystallites.},  
Keywords = {Tritium breeding, Sintering, Activation energy, Nano, dilatometry,Li2TiO3 nanocrystallites},
volume = {16},
Number = {4}, 
pages = {43-52}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.4.43},
url = {http://ijmse.iust.ac.ir/article-1-1208-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1208-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Jalaukan, A. and AldinM.Aldowaib, S. and SalahHammed, A. and GhanbariShohany, B. and Etefagh, R. and KhorsandZak, A.},  
title = {Preparation and Investigation of Photo Catalytic Activity and Antibacterial Properties of TiO2/GO Thin Film}, 
abstract ={In the research, Titanium dioxide/Graphene Oxide thin films at different concentration of graphene oxide (0.0, 0.015, 0.030, 0.045 and 4.5 g/ml) were prepared by spin coating method. Characterization of the samples was performed using X-ray diffraction and Field Emission Scannig Eelectron Microscope and Atomic Force Microscope. X-ray diffraction results show that by adding the graphene oxide, the peak associated with (001) reflection is observed at the angle of 10.5°. The analysis of Eenergy Dispersive X-ray also confirms the formation of graphene oxide sheets. Considering the excellent photo catalytic and antibacterial properties of titanium dioxide, the effect of adding the different concentration of graphene oxide on these properties has been investigated. The results show that the presence of graphene oxide increases the inhibition of Escherichia coli bacterial growth.  },  
Keywords = {TiO2/GO,spin coating method,contact angle,antibacterial properties,photo catalytic properties},
volume = {16},
Number = {4}, 
pages = {53-62}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.4.53},
url = {http://ijmse.iust.ac.ir/article-1-1432-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1432-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}

@article{ 
author = {Latifi, R. and Rastegari, S. and Razavi, S. H.},  
title = {Effect of ZR Content on Oxide-Scale Spallation of Aluminide Coating}, 
abstract ={In the present study, Zirconium modified aluminide coating on the nickel-base superalloy IN-738LC was first created by high activity high temperature aluminizing based on the out-of-pack cementation method. Then, Zr coatings were applied to simple aluminide coatings by sputtering and heat treatment in order to study the effect of Zr on the coating microstructure and oxide spallation. Microstructural studies were conducted by using scanning electron microscopy (SEM), Energy Dispersive X-ray Spectrometry (EDS), and x-ray diffraction (XRD) microanalysis. The results indicated that zirconium modified aluminide coating, like aluminide coating, has a two-layer structure including a uniform outer layer of NiAl and an interdiffusion layer in which zirconium is in a form of solid solution in the coating. Furthermore, the 300nm Zr-coated NiAl demonstrated an excellent scale adhesion, a slow oxidation rate and lower amounts of some other elements such as Ti and Cr in its oxide layer leading to a pure aluminide oxide layer. },  
Keywords = {diffusion aluminide coating, zirconium modified coating, oxidation resistance, out-of-pack cementation},
volume = {16},
Number = {4}, 
pages = {63-72}, 
publisher = { Iran University of Science & Technology},
title_fa = {},
abstract_fa ={},
keywords_fa = {},

doi = {10.22068/ijmse.16.4.63},
url = {http://ijmse.iust.ac.ir/article-1-1278-en.html},  
eprint = {http://ijmse.iust.ac.ir/article-1-1278-en.pdf},  
journal = {Iranian Journal of Materials Science and Engineering},  
issn = {1735-0808}, 
eissn = {2383-3882}, 
year = {2019}  
}