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Numerical modelling of micro-machining of f.c.c. single crystal: influence of strain gradients

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journal contribution
posted on 2017-06-30, 10:02 authored by Murat Demiral, Anish RoyAnish Roy, Tamer El Sayed, Vadim SilberschmidtVadim Silberschmidt
A micro-machining process becomes increasingly important with the continuous miniaturization of components used in various fields from military to civilian applications. To characterise underlying micromechanics, a 3D finite-element model of orthogonal micro-machining of f.c.c. single crystal copper was developed. The model was implemented in a commercial software ABAQUS/Explicit employing a user-defined subroutine VUMAT. Strain-gradient crystal-plasticity and conventional crystal-plasticity theories were used to demonstrate the influence of pre-existing and evolved strain gradients on the cutting process for different combinations of crystal orientations and cutting directions.

Funding

MD and TES acknowledge the KAUST baseline fund.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Published in

Computational Materials Science

Volume

94

Issue

C

Pages

273 - 278

Citation

DEMIRAL, M. ... et al., 2014. Numerical modelling of micro-machining of f.c.c. single crystal: influence of strain gradients. Computational Materials Science, 94, pp.273-278.

Publisher

© Elsevier

Version

  • AM (Accepted Manuscript)

Publisher statement

This work is made available according to the conditions of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0) licence. Full details of this licence are available at: https://creativecommons.org/licenses/by-nc-nd/4.0/

Publication date

2014

ISSN

0927-0256

Language

  • en

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