Abstract
In this article, the characteristic curves of microindentation measured on Cu99 were analyzed on the basis of the analytical expression proposed by Habibi et al. (J. Mater. Res, 2021, 36 (15): 3074-3085). It was found that the ratio of the applied load to the square of the displacement, P/(h+h0)2, does not remain constant during the loading segment of the microindentation test. An empirical expression for the determination of Martens hardness as a function of indentation load, contact stiffness and reduced modulus of elasticity by analyzing indentation load curves has been proposed for pile-up mode strain with the corrections imposed by the tip defect, the compliance of the instrument and the axial axisymmetry coefficient of the Vickers indenter. The results from microindentation tests on this examined ductile material show excellent agreement.
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Article history
- ReceivedUntil the next stage: 151 days
- RevisedUntil the next stage: 0 days
- AcceptedUntil the next stage: 20 days
- Published
About the authors
Samir Habibi
Laboratory of Industrial Engineering and Sustainable Development (LGIDD,
Department of Mechanical Engineering,
Ahmed Zabana University of Relizane, 48000, Algeria.
Corresponding author: habibismr@yahoo.com
Djamel Zddine Semsoum
LGIDD, Department of Mechanical Engineering,
Mustapha Stambouli University of Mascara, 29000, Algeria.
Soufiane Benaissa
LGIDD, Department of Mechanical Engineering,
Mustapha Stambouli University of Mascara, 29000, Algeria.
Hassen Merzouk
LGIDD, Department of Mechanical Engineering,
Mustapha Stambouli University of Mascara, 29000, Algeria.
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Licence
May be shared and adapted, provided appropriate credit is given. Copyright © 2022 Samir Habibi, Djamel Zddine Semsoum , Soufiane Benaissa , Hassen Merzouk.
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