Volume 9, Issue 4 (December 2012)                   IJMSE 2012, 9(4): 43-51 | Back to browse issues page

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M. A. Soleimani, R. Naghizadeh, A. R. Mirhabibi, F. Golestanifard. EFFECT OF CALCINATION TEMPERATURE OF THE KAOLIN AND MOLAR Na2O/SiO2 ACTIVATOR RATIO ON PHYSICAL AND MICROSTRUCTURAL PROPERTIES OF METAKAOLIN BASED GEOPOLYMERS. IJMSE 2012; 9 (4) :43-51
URL: http://ijmse.iust.ac.ir/article-1-504-en.html
EFFECT OF CALCINATION TEMPERATURE OF THE KAOLIN AND MOLAR Na2O/SiO2 ACTIVATOR RATIO ON PHYSICAL AND MICROSTRUCTURAL PROPERTIES OF METAKAOLIN BASED GEOPOLYMERS
M. A. Soleimani , R. Naghizadeh , A. R. Mirhabibi , F. Golestanifard
Abstract:   (19961 Views)
Metakaolinite-based geopolymer has been synthesized at about 25 °C from metakaolin which has been calcined in different temperatures (600-900 °C) and different Na2O/SiO2 ratio activator (0.3-1.1). Compressive strength and microstructure of cement pastes after 7-28 days curing at ambient temperature were measured. Compressive strength tests on the samples showed that the sample made with calcined kaolin at 700 °C and molar ratio of 0.6 has highest average compressive strength of 32 MPa after 28 days of curing. Evaluation of infrared spectroscopy (FTIR) and microstructure showed that geopolymer cement developed and new molecular structure established
Keywords: Geopolymer, Metakaolin, Compressive strength, Activator
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Type of Study: Research Paper | Subject: materials engineeing and special subjects
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