Sintering and reactive crystal growth of diopside-albite glass-ceramics from waste glass |
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| Authors: | Wei Yi Zhang Hong GaoYu Xu |
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| Affiliation: | a Liaoning Education Department Key Laboratory for Fabrication and Application of Super-fine Inorganic Powders, Dalian Jiaotong University, 794 Huang He Road, Dalian City, Liaoning 116028, PR China
b Foreign Languages Department, Qinghai Normal University, Xining, Qinghai 810008, PR China |
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| Abstract: | Diopside-albite glass-ceramics were fabricated by sintering the powder mixtures of crystallization promoters and waste glass. Two kinds of promoters were synthesized using kaolin clay, talc and chemical reagents. The crystalline phases were formed by a reactive crystallization between promoters and glass during sintering. The effect of promoter components, additions and sintering temperatures on the crystallizing and densifying behavior, microstructures and mechanical properties of glass-ceramics was investigated. The results showed that the higher densities and better mechanical properties were obtained for the glass-ceramics with 12-15% crystallization promoters sintered at 950 °C for 2 h. |
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| Keywords: | Crystallization promoter Reactive crystallization Diopside-albite glass-ceramics Waste glass |
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