Surface wrinkling of the twinning induced plasticity steel during the tensile and torsion tests

Khoddam, S, Beladi, H, Hodgson, PD and Zarei-Hanzaki, A 2014, Surface wrinkling of the twinning induced plasticity steel during the tensile and torsion tests, Materials and Design, vol. 60, pp. 146-152, doi: 10.1016/j.matdes.2014.03.063.

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Title Surface wrinkling of the twinning induced plasticity steel during the tensile and torsion tests
Author(s) Khoddam, S
Beladi, HORCID iD for Beladi, H
Hodgson, PD
Zarei-Hanzaki, A
Journal name Materials and Design
Volume number 60
Start page 146
End page 152
Total pages 7
Publisher Elsevier
Place of publication Amsterdam, The Netherlands
Publication date 2014
ISSN 0264-1275
Keyword(s) Bifurcation
Tensile test
Torsion test
Twinning induced plasticity steel
Science & Technology
Materials Science, Multidisciplinary
Materials Science
Summary 'Heterogeneous twinning' is defined as plastic deformation due to the formation and progress of twins resulting in surface wrinkles on the deforming part when the initial grain size is relatively large compared to the typical size of the part. In the case of a Twinning Induced Plasticity (TWIP) steel with an initial grain size of ~160. m, the heterogeneous twinning generated visible wrinkles, an orange peel effect, under medium uni-axial strains. The heterogeneous twinning did not occur in the material subjected to high shear strains. The complications resulting from this phenomenon on strain hardening characterization of the TWIP steels using two commonly used mechanical tests, tensile and torsion are discussed along with some experimental aspects of heterogeneous twinning. © 2014.
Language eng
DOI 10.1016/j.matdes.2014.03.063
Field of Research 091299 Materials Engineering not elsewhere classified
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2014, Elsevier
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Document type: Journal Article
Collections: Institute for Frontier Materials
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