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OALib Journal期刊
ISSN: 2333-9721
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真空烧结法制备ZrO2(Y2O3)/Al2O3复合材料
, PP. 431-436
Keywords: Al2O3,/,ZrO2(Y2O3)复合陶瓷,真空烧结,致密
Abstract:
本文研究真空烧结工艺制备Al2O3/ZrO2(Y2O3)复合材料，详细分析ZrO2(3Y)和ZrO2(2Y)含量对Al2O3基陶瓷烧结致密化、显微结构及相变行为的影响。分析ZrO2(Y2O3)的含量对复合材料显微组织的影响以及相变量存在着临界含量值。结果表明制备Al2O3/ZrO2(3Y)和Al2O3/ZrO2(2Y)复合材料，含量为15vol%和20vol%时，烧结试样相对密度分别为99.6.％和98.5％，ZrO2的晶粒平均尺寸为1.1μm和1.8μm，样品断裂前后的最大相变量分别是＝43.8vol%，=18.4vol%。
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