Nanoindentation study for deformation twinning of magnesium single crystal

Authors
Shin, J. -H.Kim, S. -H.Ha, T. K.Oh, K. H.Choi, I. -S.Han, H. N.
Issue Date
2013-04
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
SCRIPTA MATERIALIA, v.68, no.7, pp.483 - 486
Abstract
The small-scale deformation behavior of single-crystalline Mg was investigated using nanoindentation combined with transmission electron microscopy observation. The nanoindentation on both basal and second-order prismatic planes activated the tensile twin system at different positions. The concept of twin-favorable zones was chosen to explain the tensile twin formation by indentation on both basal and prismatic planes. Besides < c + a > dislocation, this study proves that the tensile twin formation plays a role in accommodating the strain induced by the nanoindentation of single-crystalline Mg. (C) 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
Keywords
NONBASAL SLIP; HCP METALS; ALLOYS; MG; MICROCOMPRESSION; MECHANISMS; NONBASAL SLIP; HCP METALS; ALLOYS; MG; MICROCOMPRESSION; MECHANISMS; Magnesium; Transmission electron microscopy; Nanoindentation; Single crystalline; Twin
ISSN
1359-6462
URI
https://pubs.kist.re.kr/handle/201004/128215
DOI
10.1016/j.scriptamat.2012.11.030
Appears in Collections:
KIST Article > 2013
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