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	Coated-ZrO/sub 2/ toughening Al/sub 2/O/sub 3/ matrix ceramics
	Liang Long ; Yang Xiaozhan ; Li Jianbao ; Guo Gangfeng ; He Mingsheng
	2010-05-10 ; 2010-05-10
关键词	Experimental/ alumina ceramics coatings cracks etching fracture toughness grain refinement hardening internal stresses nanostructured materials particle reinforced composites yttrium compounds zirconium compounds/ Al/sub 2/O/sub 3/ matrix ceramics coated nano-ZrO/sub 2/ microstructure grain growth fine grains toughening residual stress Y/sub 2/O/sub 3/ ZrO/sub 2/ Al/sub 2/O/sub 3// A8140N Fatigue, embrittlement, and fracture A6220M Fatigue, brittleness, fracture, and cracks A6825 Mechanical and acoustical properties of solid surfaces and interfaces A6480G Microstructure A8160H Surface treatment and degradation of composites/ Y2O3/bin O3/bin Y2/bin O/bin Y/bin ZrO2/bin O2/bin Zr/bin O/bin Al2O3/bin Al2/bin Al/bin O3/bin O/bin
中文摘要	The effect of nano-ZrO/sub 2/ coated with 3 mol% Y/sub 2/O/sub 3/ on microstructure and mechanical properties of Al/sub 2/O/sub 3/ matrix ceramics was studied. It was found that microstructure of Al/sub 2/O/sub 3/ matrix ceramics was improved by adding nano-ZrO/sub 2/. When addition of nano-ZrO/sub 2 / reached to 9 vol%, ZrO/sub 2/ grains primarily located at interface and effectually inhibited Al/sub 2/O/sub 3/ grain growth. So Al/sub 2/O/sub 3/ matrix ceramics with fine grains can be fabricated. Nano-ZrO/sub 2//Al/sub 2/O/sub 3/ ceramics was toughened by residual stress, but not by transformation or micrographs. Which was not similar to that of micro-ZrO/sub 2//Al /sub 2/O/sub 3/ ceramics.
语种	中文 ; 中文
出版者	Northwest Inst. Nonferrous Met. Res ; China
内容类型	期刊论文
源URL	[http://hdl.handle.net/123456789/20969]
专题	清华大学
推荐引用方式 GB/T 7714	Liang Long,Yang Xiaozhan,Li Jianbao,et al. Coated-ZrO/sub 2/ toughening Al/sub 2/O/sub 3/ matrix ceramics[J],2010, 2010.
APA	Liang Long,Yang Xiaozhan,Li Jianbao,Guo Gangfeng,&He Mingsheng.(2010).Coated-ZrO/sub 2/ toughening Al/sub 2/O/sub 3/ matrix ceramics..
MLA	Liang Long,et al."Coated-ZrO/sub 2/ toughening Al/sub 2/O/sub 3/ matrix ceramics".(2010).

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