Reducing the influence of the surface roughness on the hardness measurement using instrumented indentation test

The instrumented indentation method requires the sample surface to be flat and smooth; thus, hardness and elastic modulus values are affected by the roughness. A model that accounts for the isotropic surface roughness and can be used to correct the data in two limiting cases is proposed. Suggested a...

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Bibliographic Details
Published in:IOP conference series. Materials Science and Engineering 2017-10, Vol.256 (1), p.12003
Main Authors: Maslenikov, I, Useinov, A, Birykov, A, Reshetov, V
Format: Article
Language:English
Subjects:
Hardness measurement
Hardness tests
Indentation
Modulus of elasticity
Rapid prototyping
Surface roughness
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Summary:The instrumented indentation method requires the sample surface to be flat and smooth; thus, hardness and elastic modulus values are affected by the roughness. A model that accounts for the isotropic surface roughness and can be used to correct the data in two limiting cases is proposed. Suggested approach requires the surface roughness parameters to be known.
ISSN:1757-8981
1757-899X
DOI:10.1088/1757-899X/256/1/012003