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	Synthesis and properties of Al2O3 nanocomposite ceramics toughened by nano metallic particles
	Gu, S ; Zeng, ZQ
	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	composite ceramics hot-pressing toughening MECHANICAL-PROPERTIES ALUMINA FABRICATION COMPOSITES BEHAVIOR CERMETS POWDERS IRON Materials Science, Ceramics Materials Science, Composites
中文摘要	Al2O3/Ni composite ceramics toughened by metallic particles was fabricated by the vacuum reduction of Al2O3 and nickel nitrate (Ni(NO3)(2).6H(2)O) mixed powders at 800-1000degrees for 2-4h and hot pressed at 1400degrees similar to 1500 degreesC for 1-2h. Three-point bending strength and facture toughness of the composite were studied. With the increase of Ni content, its flexural strength and facture toughness increases significantly. Microstuctural investigations of the composite revealed that fine nickel particles dispersed homogeneously at the matrix grain boundaries, forming the intergranular nanocomposite.
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/123456789/18291]
专题	清华大学
推荐引用方式 GB/T 7714	Gu, S,Zeng, ZQ. Synthesis and properties of Al2O3 nanocomposite ceramics toughened by nano metallic particles[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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