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Dynamic Recrystallization Behavior of a Coarse-Grained Mg-2Zn-2Nd Magnesium Alloy

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Abstract

Compression tests were performed on samples of Mg-2Zn-2Nd at 673 K (400 °C) and at three different strain rates. At 0.1/s, three mechanisms of dynamic recrystallization (DRX) were observed to operate: discontinuous DRX (DDRX), twinning DRX (TDRX), and continuous DRX (CDRX). At 0.01/s, DDRX took place as a result of grain boundary bulging, followed by CDRX on further straining. At 0.001/s, only CDRX was observed. At a strain of 0.3, the activation of multiple DRX mechanisms in the 0.1/s samples produced the weakest deformation textures.

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TW is grateful to the Chinese Scholarship Council (CSC) and the McGill Engineering Doctoral Award (MEDA) for the award of scholarships. JJJ thanks the Natural Sciences and Engineering Research Council (NSERC) for providing financial support to this research. The authors are also grateful to Dr. Carlos H. Caceres for useful comments.

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Authors and Affiliations

  1. Department of Mining and Materials Engineering, McGill University, 3610 University St., Montreal, QC, H3A 2B2, Canada

    Tong Wang, John J. Jonas & Stephen Yue

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  1. Tong Wang
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  2. John J. Jonas
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  3. Stephen Yue
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Correspondence to Tong Wang.

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Manuscript submitted July 12, 2016.

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Wang, T., Jonas, J.J. & Yue, S. Dynamic Recrystallization Behavior of a Coarse-Grained Mg-2Zn-2Nd Magnesium Alloy. Metall Mater Trans A 48, 594–600 (2017). https://doi.org/10.1007/s11661-016-3896-6

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