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Surface Effect for Different Types of Materials in Nanoindentation

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Abstract:

This paper studies surface effects on the depth-dependent hardness and proposes a novel method to estimate the apparent surface stress from nanoindentation tests. Good agreement is found between the theoretical predictions and experimental data of the depth-dependent hardness, thereby indicating that the apparent surface stress plays an important role in the depth-dependent hardness for various types of materials, such as metals, ceramics, and polymers.

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Periodical:

Key Engineering Materials (Volumes 261-263)

Pages:

1587-1592

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.261-263.1587

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Online since:

April 2004

Authors:

Wei Hua Xu, Tong Yi Zhang

Keywords:

Apparent Surface Stress, Hardness, Nanoindentation, Nanomechanical Modeling

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© 2004 Trans Tech Publications Ltd. All Rights Reserved

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