On the size effect in hardness by nanoindentation method
SCIE
SCOPUS
- Title
- On the size effect in hardness by nanoindentation method
- Authors
- Lee, H; Ko, S; Park, H
- Date Issued
- 2006-01
- Publisher
- TRANS TECH PUBLICATIONS LTD
- Abstract
- A model describing nanoindentation as plastic deformation resulting from a strain gradient is investigated. Using a simplified axisymmetric nano indentation, the effective strain gradient for indentation depth is derived. The proposed indentation model is a modification of Nix and Gao's model (1998). To validate this approach for nanoindentation, solutions for depth-dependent hardness of single various materials such as Cu, Al, Ni are compared with experiments. Results show that the proposed model agrees well with the hardness experiments.
- Keywords
- strain gradient plasticity; nanoindentation; size effect; depth-dependent hardness; STRAIN-GRADIENT PLASTICITY; SINGLE-CRYSTALS; DEPTH
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/24085
- DOI
- 10.4028/www.scientific.net/KEM.306-308.911
- ISSN
- 1013-9826
- Article Type
- Article
- Citation
- KEY ENGINEERING MATERIALS, vol. 306-308, page. 911 - 916, 2006-01
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