Nanoindentation by Multiple Loads Methodology: A Pile Up Correction Procedure

Miguel Ángel Garrido-Maneiro; Jesus Rodríguez

doi:10.4028/www.scientific.net/KEM.345-346.805

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HomeKey Engineering MaterialsKey Engineering Materials Vols. 345-346Nanoindentation by Multiple Loads Methodology: A...

Nanoindentation by Multiple Loads Methodology: A Pile Up Correction Procedure

Abstract:

Young’s modulus and hardness data obtained from nanoindentation are commonly affected by phenomena like pile up or sink in, when elastic-plastic materials are tested. In this work, a finite element model was used to evaluate the pile up effect on the determination of mechanical properties from spherical indentation in a wide range of elastic-plastic materials. A new procedure, based on a combination of results obtained from tests performed at multiple maximum loads, is suggested.

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Periodical:

Key Engineering Materials (Volumes 345-346)

Pages:

805-808

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.345-346.805

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Online since:

August 2007

Authors:

Miguel Ángel Garrido-Maneiro, Jesus Rodríguez

Keywords:

Elastic-Plastic Material, Nanoindentation, Pile Up

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[9] [1] 1010 0, 005 0, 01 0, 015 0, 02 0, 025 0, 03 0, 035 0, 04 Enominal=200GPa σy=100MPa n=0 σy=300MPa n=0. 1 σy=500MPa n=0. 2 Eslope=200. 4GPa R R.

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