The Characteristics of Metakaolinite-Based Geopolymer at Different Temperature

Jie Yu Chen; Sun Tao; Xin Rong Lei; Xiao Yan Zhu

doi:10.4028/www.scientific.net/AMM.442.152

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 442The Characteristics of Metakaolinite-Based...

The Characteristics of Metakaolinite-Based Geopolymer at Different Temperature

Abstract:

Geopolymer is an inorganic cementing material with three-dimensional network structure, which is synthesized from alumino-silicate minerals or solid wastes and alkali-activated agent. But the previous reported that it is not fit for fire-resistant materials and thermal insulation materials. On the base of researched documents, the characteristics of metakaolinite-based geopolymer at the temperature of 100 oC-1000 oC were investigated in this paper. With the temperature increasing from 100 oC-1000 oC, the metakaolinite-based geopolymer and the samples calcined were all amorphous though it happen two thermal effects. The volume shrinkage is serious with temperature increasing. But the changes of the density and water absorption rate are just opposite, which reflect the porosity change law of first increasing and then decreasing.

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Periodical:

Applied Mechanics and Materials (Volume 442)

Pages:

152-155

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.442.152

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Online since:

October 2013

Authors:

Jie Yu Chen*, Sun Tao, Xin Rong Lei, Xiao Yan Zhu

Keywords:

Compressive Strength, Density, Geopolymer, Metakaolinite, Shrinkage, Water Adsorption

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