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PREPARATION AND PROPERTIES OF MULLITE-CORDIERITE COMPOSITES
Author(s): 
Pages: 12-16,7
Year: Issue:  2
Journal: CHINA CERAMIC INDUSTRY

Keyword:  莫来石-堇青石液相烧结断裂韧性;
Abstract: 由热压和液相烧结方法制得了具有各种莫来石含量和显微结构的莫来石-堇青石复合体.研究了各种烧结温度、时间、气氛条件下复合体的致密度和显微结构的改善.还研究了复合体弹性模量、断裂韧性、热膨胀系数与组成之间的关系.研究结果表明,复合体的断裂韧性随莫来石含量和杨氏模量线性增加,粗的针状莫来石由于其穿晶断裂模式而有较高的断裂韧性.
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