Microstructure effect of nano-ceramic composites in nano-indentation tests

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	Microstructure effect of nano-ceramic composites in nano-indentation tests
	Ling Z(凌中)
会议录名称	Proceedings of the World Congress on Intelligent Control and Automation (WCICA)
	2004
会议名称	WCICA 2004 - Fifth World Congress on Intelligent Control and Automation, Conference Proceedings
会议日期	June 15, 2004 - June 19, 2004
会议地点	Hangzhou, China
摘要	The Young's modulus and hardness of nano-ceramic composites, Al 2O3/SiCp, are measured via Nanoindenter under peak loads of 3-250mN and peak depths of 60-920nm. The testing materials are Al2O3 and Al2O3 containing SiC particles with volume fractions, 5% and 10%. The size of SiC particle is about 60-100nm. The experimental results showed that, the measured Young's modulus in current composites is higher than that of Al2O3 while indentation is over some depth, which related to microstructure scales in the composites. It is because of that the contact stiffness is sensitive to the microstructure of current composites. The hardness measured in two composites is depth-dependant but that in Al2O3 seems not to be sensitive to the indentation depth.
关键词	Ceramic Composites Grain Size Modulus Scaling
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收录类别	EI
语种	英语
文献类型	会议论文
条目标识符	http://dspace.imech.ac.cn/handle/311007/60274
专题	力学所知识产出(1956-2008)
推荐引用方式 GB/T 7714	Ling Z. Microstructure effect of nano-ceramic composites in nano-indentation tests[C]Proceedings of the World Congress on Intelligent Control and Automation (WCICA),2004.

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