IMECH-IR  > 力学所知识产出(1956-2008)
Microstructure effect of nano-ceramic composites in nano-indentation tests
Ling Z(凌中)
Source PublicationProceedings of the World Congress on Intelligent Control and Automation (WCICA)
Conference NameWCICA 2004 - Fifth World Congress on Intelligent Control and Automation, Conference Proceedings
Conference DateJune 15, 2004 - June 19, 2004
Conference PlaceHangzhou, China
AbstractThe 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.
KeywordCeramic Composites Grain Size Modulus Scaling
Indexed ByEI
Document Type会议论文
Recommended Citation
GB/T 7714
Ling Z. Microstructure effect of nano-ceramic composites in nano-indentation tests[C],2004.
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