Volume 5, Number 1 (winter 2008 2008)                   IJMSE 2008, 5(1): 15-21 | Back to browse issues page


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M. Rezvani, B. Eftekhari Yekta, V. K. Marghussian. MECHANICAL AND CHEMICAL PROPERTIES OF SiO2-Al2O3-CaO-MgO (R2O) GLASS CERAMICS IN THE PRESENCE OF VARIOUS NUCLEATING AGENTS. IJMSE. 2008; 5 (1) :15-21
URL: http://ijmse.iust.ac.ir/article-1-126-en.html

Abstract:   (36024 Views)
Abstract: The application of inexpensive materials such as copper, zinc, lead, iron and steel slag in manufacturing of glass and glass-ceramic products in construction industry, lining materials as anti-corrosion and anti-abrasion coatings in metals and etc, has led to considerable progress in glass technology in recent years. The composition of slag glass-ceramics is mainly located in the SiO2-Al2O3-CaO-MgO system, in which one of the most important problems is the lack of bulk crystallization. To resolve the above-mentioned problem, the crystallization behavior of various compositions containing different nucleating agents Cr2O3 , Fe2O3 and TiO2 in the single, double and triple forms were studied by differential thermal analysis (DTA).The precipitated crystalline phases was determined by the X-ray diffractometry and the micro-structural analysis was studies using the SEM micrographs. The three point bending strength, micro-hardness and the chemical resistance of the best composition were determined. According to the results, the resulted glassceramic had a better specification than the stoneware floor tiles and the porcelain one, which are considered as the two important competitors for it.
     
Type of Study: Research paper |

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