Nov2019 JoM_nanoindentation_SiC_Pang_5NOV LUPIN.pdf (1.1 MB)

Deformation characteristics in micromachining of single crystal 6H-SiC: Insight into slip systems activation

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journal contribution
posted on 21.01.2021, 16:02 by KH Pang, Rongxin Zhou, Anish Roy
ABSTRACTSilicon carbide (SiC) is ideally suitable as a sensor material in harsh environments. Despite the brittleness in the macroscopic scale, plasticity in SiC is observed at small component length-scales. Previous nanoindentation based study combining experiment and numerical approaches of single-crystal 6H-SiC has shown that slip activation is rather complex, and that non-basal slip could potentially dominate the plastic deformation behaviour. In this study, we investigated the local deformation response evolution of shear strain directly under and in the vicinity of the indenter tip. The results show the pyramidal slip families contribute significantly to the deformation process.

History

School

  • Mechanical, Electrical and Manufacturing Engineering

Published in

Journal of Mechanics

Volume

36

Issue

2

Pages

245 - 253

Publisher

Cambridge University Press (CUP)

Version

AM (Accepted Manuscript)

Rights holder

© The Society of Theoretical and Applied Mechanics

Publisher statement

This paper was accepted for publication in the journal Journal of Mechanics and the definitive published version is available at https://doi.org/10.1017/jmech.2019.63

Publication date

2020-03-05

Copyright date

2020

ISSN

1727-7191

eISSN

1811-8216

Language

en

Depositor

Prof Anish Roy Deposit date: 19 January 2021

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