| Preparation of MachinableY—TZP／LaPO4 Composite Ceramics byLiquid Precursor Infiltration |
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| 引用本文： | 周振君,杨正方,袁启明,李秀华.Preparation of MachinableY—TZP／LaPO4 Composite Ceramics byLiquid Precursor Infiltration[J].中国稀土学报(英文版),2002,20(3):197-203. |
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| 作者姓名： | 周振君 杨正方 袁启明 李秀华 |
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| 作者单位： | Key Laboratory for High Temperature Structural Ceramics and Engineering Ceramics Machining Technology of Ministry of Education，Tianjin University，Tianjin 300072，China |
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| 基金项目： | ProjectsupportedbytheMinistryofEducationofChina |
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| 摘 要： | Ｃｅｒａｍｉｃｍａｔｅｒｉａｌｓｈａｖｅｂｅｅｎｕｓｅｄａｓｅｎ ｇｉｎｅｅｒｉｎｇｍａｔｅｒｉａｌｓｂｅｃａｕｓｅｏｆｔｈｅｉｒｈｉｇｈｓｔｒｅｎｇｔｈａｎｄｈｉｇｈｈａｒｄｎｅｓｓ .Ｔｈｅｄｉｓａｄｖａｎｔａｇｅｏｆｓｕｃｈｃｅｒａｍｉｃｓｉｓｔｈｅｄｉｆｆｉｃｕｌｔｙｉｎｍａｃｈｉｎｉｎｇａｆｔｅｒｓｉｎｔｅｒｉｎｇ ,ｗｈｉｃｈｌｅａｄｓｔｏｈｉｇｈｍａｃｈｉｎｉｎｇｃｏｓｔ.Ｔｏｄｅｃｒｅａｓｅｉｔ ,ｖａｒｉｏｕｓｃｅｒａｍｉｃｓｗｉｔｈｒｅａｓｏｎａｂｌｅｍａｃｈｉｎａｂｉｌｉｔｙ ,ｃａ…
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| 关 键 词： | 稀土 磷酸盐 气相沉积 磷酸镧 |
Preparation of Machinable Y-TZP/LaPO4 Composite Ceramics by Liquid Precursor Infiltration |
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| Zhou Zhenjun ,Yang Zhengfang,Yuan Qiming,Li Xiuhua.Preparation of Machinable Y-TZP/LaPO4 Composite Ceramics by Liquid Precursor Infiltration[J].Journal of Rare Earths,2002,20(3):197-203. |
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| Authors: | Zhou Zhenjun Yang Zhengfang Yuan Qiming Li Xiuhua |
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| Affiliation: | Zhou Zhenjun *,Yang Zhengfang,Yuan Qiming,Li Xiuhua |
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| Abstract: | A machinable Y TZP/LaPO 4 composite ceramic was prepared by infiltrating LaPO 4 liquid precursor into Y TZP porous ceramic. Sintered Y TZP ceramic preformed with 35% (volume fraction) open pore volume was made by adding graphite (30%, volume fraction). The Y TZP/LaPO 4 composite ceramics containing different LaPO 4 contents were obtained by infiltration and pyrolysis cycles. The machinability and mechanical properties of materials were investigated. The results show that the machinable Y TZP/LaPO 4 composite ceramics containing 2 3% to 7.5% (volume fraction) LaPO 4 has good machinability as well as outstanding mechanical properties. |
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| Keywords: | rare earths lanthanum phosphate zirconia machinability liquid precursor infiltration mechanical property |
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