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Deformation Mechanisms in a Rolled Magnesium Alloy Under Tension Along the Rolling Direction

Published online by Cambridge University Press:  28 June 2018

Dewen Hou ,
Tianmo Liu ,
Meng Shi ,
Haiming Wen  and
Haiyan Zhao
Dewen Hou
Affiliation:
School of Materials Science and Engineering, Chongqing University, Chongqing 400044, China Center for Advanced Energy Studies, Idaho Falls, ID 83401, USA
Tianmo Liu*
Affiliation:
School of Materials Science and Engineering, Chongqing University, Chongqing 400044, China
Meng Shi
Affiliation:
Center for Advanced Energy Studies, Idaho Falls, ID 83401, USA Department of Chemical and Materials Engineering, University of Idaho, Idaho Falls, ID 83402, USA
Haiming Wen*
Affiliation:
Department of Materials Science and Engineering, Missouri University of Science and Technology, Rolla, MO 65409, USA
Haiyan Zhao
Affiliation:
Center for Advanced Energy Studies, Idaho Falls, ID 83401, USA Department of Chemical and Materials Engineering, University of Idaho, Idaho Falls, ID 83402, USA
*
*Authors for correspondence: Tianmo Liu, E-mail: tmliu@cqu.edu.cn; Haiming Wen, E-mail: wenha@mst.edu
*Authors for correspondence: Tianmo Liu, E-mail: tmliu@cqu.edu.cn; Haiming Wen, E-mail: wenha@mst.edu
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Abstract

The twinning and slip modes of a rolled magnesium alloy sheet were investigated through quasi-in-situ tensile tests that were carried out along the rolling direction at room temperature with a constant strain rate. Scanning electron microscopy and electron backscattered diffraction observations were used to identify activated twinning and slip systems. Schmid factors were calculated to analyze different deformation modes. The analyses show that a small number of {10-12} tensile twins were present during deformation, and these twins resulted from the accommodation of compression along the tensile direction. Post-deformation examination revealed the dominance of prismatic <a> slip.

Keywords

magnesiumtensiletwinningslip
Type
Materials Science Applications
Information
Microscopy and Microanalysis , Volume 24 , Issue 3 , June 2018 , pp. 207 - 213
Copyright
© Microscopy Society of America 2018 

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Footnotes

Cite this article: Hou D, Liu T, Shi M, Wen H, Zhao H (2018). Deformation Mechanisms in a Rolled Magnesium Alloy Under Tension Along the Rolling Direction. Microsc Microanal24(3): 207–213. doi: 10.1017/S1431927618000284

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