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An Investigation of Detwinning Behavior of In-plane Compressed E-form Mg Alloy During the In Situ Tensile Test

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Magnesium Technology 2019

Part of the book series: The Minerals, Metals & Materials Series ((MMMS))

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Abstract

In this study, we investigated the detwinning phenomenon of in-plane compressed E-form magnesium (Mg) alloy sheet systematically using in situ tensile test combined with electron backscattered diffraction (EBSD ) technique. Microstructure and microtexture evolutions were analyzed at different tensile strains during the in situ tensile test . The detwinning phenomenon in E-form Mg alloy was found to be linked to both twin boundary mobility and the interaction of their boundaries with dislocations. The pre-compressed sheet of E-form Mg alloy effectively accommodated the thickness direction strains generated during the in situ tensile test . The effect of detwinning on formability and mechanical behavior of the E-form Mg alloy was also examined. EBSD results indicate that most of the deformation twins formed during in-plane compression were removed when the load is reversed during the in situ tensile test .

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Acknowledgements

This research was supported by the National Research Foundation of Korea (NRF) funded by the Ministry of Science and ICT, Government of Korea (NRF-2016M3C1B5906955), and the Basic Science Research Program through the NRF funded by the Ministry of Education, Government of Korea (NRF-2014R1A6A1030419).

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Authors and Affiliations

  1. Department of Printed Electronics Engineering, Sunchon National University, 255 Jungang-Ro, Suncheon, Jeonnam, 57922, Republic of Korea

    Jaiveer Singh, Min-Seong Kim, Seong-Eum Lee & Shi-Hoon Choi

  2. Department of Materials Modeling and Characterization, Korea Institute of Materials Science, 797 Changwondaero, Changwon, Gyeongnam, 51508, Republic of Korea

    Joo-Hee Kang

Authors
  1. Jaiveer Singh
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  2. Min-Seong Kim
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  3. Seong-Eum Lee
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  4. Joo-Hee Kang
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  5. Shi-Hoon Choi
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Corresponding author

Correspondence to Shi-Hoon Choi .

Editor information

Editors and Affiliations

  1. Pacific Northwest National Laboratory, Richland, WA, USA

    Vineet V. Joshi

  2. The University of Alabama, Tuscaloosa, AL, USA

    J. Brian Jordon

  3. Lund University, Lund, Sweden

    Dmytro Orlov

  4. IND LLC, South Jordan, UT, USA

    Neale R. Neelameggham

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© 2019 The Minerals, Metals & Materials Society

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Singh, J., Kim, MS., Lee, SE., Kang, JH., Choi, SH. (2019). An Investigation of Detwinning Behavior of In-plane Compressed E-form Mg Alloy During the In Situ Tensile Test. In: Joshi, V., Jordon, J., Orlov, D., Neelameggham, N. (eds) Magnesium Technology 2019. The Minerals, Metals & Materials Series. Springer, Cham. https://doi.org/10.1007/978-3-030-05789-3_30

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