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The nanoindentation loading curves measured on fused silica were analyzed based on the theoretical relationship derived by Malzbender et al. (J Mater Res 2000, 15: 1209-1212). It was found that the ratio of the applied load to the square of the displacement, P/(h + hd)2, does not keep constant during loading segment of the nanoindentation test. Considering the existence of the indentation size effect, an empirical method for the determination of the load-independent hardness by analyzing the nanoindentation loading curves was proposed.


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Determination of the load-independent hardness by analyzing the nanoindentation loading curves: A case study on fused silica

Show Author's information Yunbiao DUANaDanyu JIANGb( )Jin HUa
Faculty of Materials Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China
State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Shanghai 200050, China

Abstract

The nanoindentation loading curves measured on fused silica were analyzed based on the theoretical relationship derived by Malzbender et al. (J Mater Res 2000, 15: 1209-1212). It was found that the ratio of the applied load to the square of the displacement, P/(h + hd)2, does not keep constant during loading segment of the nanoindentation test. Considering the existence of the indentation size effect, an empirical method for the determination of the load-independent hardness by analyzing the nanoindentation loading curves was proposed.

Keywords:

nanoindentation, loading curve, indentation size effect (ISE), fused silica
Received: 18 August 2019 Accepted: 07 October 2019 Published: 04 December 2019 Issue date: December 2019
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Publication history
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Publication history

Received: 18 August 2019
Accepted: 07 October 2019
Published: 04 December 2019
Issue date: December 2019

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© The author(s) 2019

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