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热历史对CaO(MgO)-Al_2O_3-SiO_2系统晶化性能和硬度的影响
引用本文:汤李缨,程金树!硅酸盐工程中心,袁坚!硅酸盐工程中心. 热历史对CaO(MgO)-Al_2O_3-SiO_2系统晶化性能和硬度的影响[J]. 武汉理工大学学报, 1998, 0(1)
作者姓名:汤李缨  程金树!硅酸盐工程中心  袁坚!硅酸盐工程中心
作者单位:武汉工业大学材料学院!430070
摘    要:研究了热历史对一种CaO(MgO)-Al2O3-SiO2系统微晶玻璃的晶化性能和压痕硬度的影响。利用X射线衍射分析了微晶玻璃的晶相种类;结合光学显微镜观察,探讨了热处理温度对晶相体积百分数的影响;确定了硬度与测试荷载之间的关系。实验结果表明,随着热处理的提高,微晶玻璃的晶相含量增加,微晶玻璃的硬度增大

关 键 词:CaO(MgO)-Al_2O_3-SiO_2系统  微晶玻璃  热历史  压痕硬度  晶化

Effect of Thermal History on the Crystallization Behaviour and Hardness of a Glass-ceramic in the CaO(MgO)-Al2O_3-SiO_2 System
Tang Liying, Cheng Jinshu, Yuan Jian. Effect of Thermal History on the Crystallization Behaviour and Hardness of a Glass-ceramic in the CaO(MgO)-Al2O_3-SiO_2 System[J]. Journal of Wuhan University of Technology, 1998, 0(1)
Authors:Tang Liying   Cheng Jinshu   Yuan Jian
Abstract:In this paper,the glass-ceramic in CaO(MgO)-Al2O3-SiO2 system was examined to determine the dependence of indentation hardness on heat-treatment temperature. The effect of thermal history on the crystallization behaviour was studied. X-ray diffraction (XRD) was used to determine the type of crystal phases present and to relate this to the hardness results. It was shown that hardness increased with heat-treatment temperature.
Keywords:CaO(MgO)-Al_2O_3-SiO2 system  glass-ceramic  thermal history  indentation hardness  crystallization  
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