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Research Article | Open Access

Micromechanical modeling of polycrystalline high manganese austenitic steel subjected to abrasive contact

Matti LINDROOS( ), Anssi LAUKKANEN, Tom ANDERSSON
VTT Lifecycle Solutions, Tampere 33720, Finland
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Abstract

This study focuses on microstructural and micromechanical modeling of abrasive sliding contacts of wear-resistant Hadfield steel. 3D finite element representation of the microstructure was employed with a crystal plasticity model including dislocation slip, deformation twinning, and their interactions. The results showed that deformation twinning interacting with dislocations had a key role in the surface hardening of the material, and it was also important for the early hardening process of the sub-surface grains beyond the heavily distorted surface grains. The effects of grain orientation and microstructural features were discussed and analyzed according to the micromechanical model to give a perspective to the anisotropy of the material and the feasibility of using micromechanics in virtual material design.

Keywords

crystal plasticitymicromechanical modeling of abrasionaustenitic manganese steeldeformation twinning

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Friction
Volume 8 Issue 3,
June 2020
Pages 626-642
DOI: 10.1007/s40544-019-0315-1

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LINDROOS M, LAUKKANEN A, ANDERSSON T. Micromechanical modeling of polycrystalline high manganese austenitic steel subjected to abrasive contact. Friction, 2020, 8(3): 626-642. https://doi.org/10.1007/s40544-019-0315-1

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Received: 21 March 2018
Revised: 17 April 2018
Accepted: 04 July 2019
Published: 19 December 2019
© The author(s) 2019

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