期刊
TRIBOLOGY INTERNATIONAL
卷 42, 期 7, 页码 1021-1028出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2008.09.007
关键词
Instrumented indentation testing; Cavitation erosion resistance; Stylus-based profilometer
资金
- CNPq-Conselho Nacional de Desenvolvimento Tecnologico, Brazil
- FAPEMIG-Fundacao de Amparo a Pesquisa de Minas Gerais, Brazil
This paper is concerned with the analysis of data obtained from instrumented depth-sensing nanoindentation testing performed on materials whose hardness varies with depth from surface. The objective is to determine which hardness (nano or macrohardness) should be evaluated in functionally graded materials to correlate the material properties to its performance in cavitation. A linear relationship between H-2/E and cavitation erosion resistance could be established. Significant improvements in the cavitation erosion resistance can be achieved when deep nitrided cases are present. (C) 2008 Published by Elsevier Ltd.
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