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	Effect of Al/sub 2/O/sub 3/ on degradation of 3Y-TZP ceramics at low temperature
	Lin Xuping ; Ma Jingtao ; Zhang Baoqing ; Lin Qiang
	2010-05-10 ; 2010-05-10
关键词	Experimental/ ageing alumina bending strength ceramics decomposition fracture toughness solid-state phase transformations yttrium compounds zirconium compounds/ 3Y-TZP ceramic degradation tetragonal-to-monoclinic phase transformation yttria stabilized zirconia ageing flexural strength fracture toughness 300 degC 150 degC Y/sub 2/O/sub 3/-ZrO/sub 2/ Al/sub 2/O/sub 3// A6470K Solid-solid transitions A8130H Constant-composition solid-solid phase transformations: polymorphic, massive, and order-disorder A8140L Deformation, plasticity and creep A8140N Fatigue, embrittlement, and fracture A8140G Other heat and thermomechanical treatments A6220F Deformation and plasticity A6220M Fatigue, brittleness, fracture, and cracks/ temperature 5.73E+02 K temperature 4.23E+02 K/ Y2O3ZrO2/ss O2/ss O3/ss Y2/ss Zr/ss O/ss Y/ss Al2O3/bin Al2/bin Al/bin O3/bin O/bin
中文摘要	The tetragonal-to-monoclinic phase transformation in yttria(3 mol%) stabilized zirconia containing 0~20 wt% Al/sub 2/O/sub 3/ during ageing in air (at 300 degrees C) and in hot water (at 150 degrees C) is investigated in this paper. The changes of flexural strength and fracture toughness before and after ageing and the degradation mechanism of ZrO/sub 2/ is investigated also. It is found that water can greatly accelerate the degradation of 3Y-TZP. Whether in the air or in the hot water, a limited amount of Al/sub 2 /O/sub 3/ addition can effectively suppress the degradation of the tetragonal-to-monoclinic phase transformation.
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/123456789/22863]
专题	清华大学
推荐引用方式 GB/T 7714	Lin Xuping,Ma Jingtao,Zhang Baoqing,et al. Effect of Al/sub 2/O/sub 3/ on degradation of 3Y-TZP ceramics at low temperature[J],2010, 2010.
APA	Lin Xuping,Ma Jingtao,Zhang Baoqing,&Lin Qiang.(2010).Effect of Al/sub 2/O/sub 3/ on degradation of 3Y-TZP ceramics at low temperature..
MLA	Lin Xuping,et al."Effect of Al/sub 2/O/sub 3/ on degradation of 3Y-TZP ceramics at low temperature".(2010).

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