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	Mechanical properties and oxidation behavior of Si3N4/BN laminated ceramics
	Li, CW ; Wang, CA ; Huang, Y
	2010-05-10 ; 2010-05-10
会议名称	HIGH-PERFORMANCE CERAMICS III, PTS 1 AND 2 ; 3rd China International Conference on High-Performance Ceramics (CICC-3) ; Shenzhen, PEOPLES R CHINA ; Web of Science
关键词	laminated ceramics Si3N4 mechanical property oxidation Materials Science, Ceramics Materials Science, Composites
中文摘要	Laminated ceramics with high mechanical properties were fabricated in the Si3N4/BN system. The mechanical properties at elevated temperatures were tested, and the oxidation behavior during tested procedure was studied at the same time. The flexure strength of the Si3N4/BN laminated ceramics changed a little below 1000 degreesC. The displacement-load curves appeared non-linear characteristic even at high temperature. During testing procedure at high temperature, oxidation behavior of silicon nitride and silicon carbide happened, and no oxidation product of boron nitride was found. The silicon nitride layers were oxidized to form a protective silicate scale, which prevented oxidation of the boron nitride interlayers. The stability of boron nitride was beneficial to the boron nitride interlayer to partition the silicon nitride matrix layers at high temperature.
会议录出版者	TRANS TECH PUBLICATIONS LTD ; ZURICH-UETIKON ; BRANDRAIN 6, CH-8707 ZURICH-UETIKON, SWITZERLAND
语种	英语 ; 英语
内容类型	会议论文
源URL	[http://hdl.handle.net/123456789/18352]
专题	清华大学
推荐引用方式 GB/T 7714	Li, CW,Wang, CA,Huang, Y. Mechanical properties and oxidation behavior of Si3N4/BN laminated ceramics[C]. 见:HIGH-PERFORMANCE CERAMICS III, PTS 1 AND 2, 3rd China International Conference on High-Performance Ceramics (CICC-3), Shenzhen, PEOPLES R CHINA, Web of Science.

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