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Three-dimensional effects of twinning in magnesium alloys
Journal article   Open access   Peer reviewed

Three-dimensional effects of twinning in magnesium alloys

K. Hazeli, J. Cuadra, F. Streller, C.M. Barr, M.L. Taheri, R.W. Carpick and A. Kontsos
Scripta materialia, v 100(C), pp 9-12
15 Apr 2015
url
https://doi.org/10.1016/j.scriptamat.2014.12.001View
Accepted (AM)Open Access (Publisher-Specific) Open

Abstract

Digital image correlation (DIC) Local plasticity Strain localization Surface step Twinning
This article provides experimental evidence on the pronounced three-dimensional surface effects caused by tension twinning at early stages of plasticity of a magnesium alloy. To achieve this goal, multiscale mechanical testing was combined with strain field, texture and surface morphology quantification. The current investigation correlates crystallography-driven, grain-scale surface roughening to the spatially heterogeneous micro- and macrostrain. It was found that tension twinning causes considerable surface extrusions and intrusions across multiple grains that are directly related to severe strain inhomogeneities.

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Collaboration types
Domestic collaboration
Web of Science research areas
Materials Science, Multidisciplinary
Metallurgy & Metallurgical Engineering
Nanoscience & Nanotechnology
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