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稀土磷酸盐（CePO₄）对ZTA陶瓷加工性能的影响

Effect of Rare-Earth Phosphates （CePO₄） on Machinability of ZTA Ceramics

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【Author】 Li Jinyou~*, Ge Zhiping, Liu Jiachen (Key Labortory for Advance Ceramics and Machining (Technology) of Ministry of Education, Tianjin University, Tianjin 300072, China)

【机构】天津大学先进陶瓷与加工技术教育部重点实验室；天津大学先进陶瓷与加工技术教育部重点实验室天津300072；天津300072；天津300072；

【摘要】根据稀土磷酸盐与氧化物易形成弱结合晶界面的特性,在氧化镐增韧氧化铝(ZTA)陶瓷中引入CePO4,经适当的工艺处理和优化,改变显微结构,使ZTA/CePO4陶瓷为可用WC基合金刀具加工的可加工陶瓷,并且强度接近ZTA陶瓷。更多还原

【Abstract】 Based on the weak-bonding property between rare earth phosphates and oxides, ZTA/CePO₄ composites were prepared by adding CePO₄ in ZTA ceramics. After adapted process controlling and optimizing, ZTA/CePO₄ composites can be machined using traditional metallic machining tools as WC-based and the strength was close to that of ZTA.更多还原