Mechanical Properties and Microstructure of Layered LaPO4 Ceramics

Journal of Inorganic Materials

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Mechanical Properties and Microstructure of Layered LaPO₄ Ceramics

WANG Rui-Gang; PAN Wei; JIANG Meng-Ning; CHEN Jian; LUO Yong-Ming; CAO Zhen-Zhu

Department of Materials Science and Engineering; State Key Lab of New Ceramics and Fine Processing Tsinghua University; Beijing 100084; China

Received:2002-01-04 Revised:2002-03-08 Published:2003-01-20 Online:2003-01-20

Abstract

Abstract: Dense and layered LaPO₄ ceramics were fabricated by using pressureless sintering, hot pressing and spark plasma sintering . Densification, texture and mechanical properties of LaPO₄ ceramics by different sintering routes were characterized . Based on the formation of weak interface of Al₂O₃ and LaPO₄ phase, machinable 40wt%Al₂O₃/LaPO₄ composite having a hardness of 6.3±0.45GPa, was fabricated and characterized by using cemented carbide drill.

Key words: LaPO₄, mechanical properties, microstructure, machinable ceramics

CLC Number:

TB321

WANG Rui-Gang,PAN Wei,JIANG Meng-Ning,CHEN Jian,LUO Yong-Ming,CAO Zhen-Zhu. Mechanical Properties and Microstructure of Layered LaPO₄ Ceramics[J]. Journal of Inorganic Materials.

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Mechanical Properties and Microstructure of Layered LaPO₄ Ceramics

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