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Journal of Advanced Ceramics

, Volume 8, Issue 4, pp 583–586 | Cite as

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

  • Yunbiao Duan
  • Danyu JiangEmail author
  • Jin Hu
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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 

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Authors and Affiliations

  1. 1.Faculty of Materials Science and EngineeringKunming University of Science and TechnologyKunmingChina
  2. 2.State Key Laboratory of High Performance Ceramics and Superfine MicrostructureShanghai Institute of CeramicsShanghaiChina

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