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Microstructure and Texture Evolution During Hot Compression of Cast and Extruded AZ80 Magnesium Alloy

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Magnesium Technology 2019

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

Abstract

Uniaxial compression tests were conducted on cast and extruded AZ80 alloys at 400 °C and a strain rate of 0.1 s−1 up to a true strain of 1.0. Microstructure and texture evolution during hot deformation was studied using optical microscopy, X-ray diffraction macrotexture analysis and electron backscatter diffraction. The results indicate that dynamic recrystallization (DRX ) occurred in the samples during deformation for both cast and extruded starting materials and the DRX fraction was found to increase with deformation strain level. The DRX grain size for both cast and extruded materials was measured as ~5 µm and was independent of the deformation strain. In both cast and extruded materials, hot deformation led to the development of a sharp basal texture along the compression direction, which was attributed to grain rotation occurring during deformation, and preservation of deformation texture by the DRXed grains.

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Acknowledgements

The authors would like to gratefully acknowledge the financial support of the Natural Sciences and Engineering Research Council of Canada (NSERC), Automotive Partnership Canada (APC) program under APCPJ 459269—13 Grant with contributions from Multimatic Technical Centre, Ford Motor Company, and Centerline Windsor. One of the authors (PP) would like to thank Mr. Massimo Di Ciano of University of Waterloo for help in carrying out some of the uniaxial compression tests and Dr. Jian Li and Ms. Renata Zavadil of CanmetMATERIALS for assistance with metallography and EBSD analysis.

Author information

Authors and Affiliations

  1. Department of Mechanical and Mechatronics Engineering, University of Waterloo, 200 University Ave W, Waterloo, ON, N2L 3G1, Canada

    Paresh Prakash, Sugrib Kumar Shaha, Mark A. Whitney & Hamid Jahed

  2. Marine Additive Manufacturing Centre of Excellence (MAMCE), University of New Brunswick, Fredericton, NB, E3B 5A3, Canada

    Amir Hadadzadeh

  3. College of Engineering and Physical Sciences, University of Guelph, 50 Stone Road East, Guelph, ON, N1G 2W1, Canada

    Mary A. Wells

  4. CanmetMATERIALS, Natural Resources Canada, 183 Longwood Rd S, Hamilton, ON, L8P 0A5, Canada

    Bruce W. Williams

Authors
  1. Paresh Prakash
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  2. Amir Hadadzadeh
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  3. Sugrib Kumar Shaha
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  4. Mark A. Whitney
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  5. Mary A. Wells
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  6. Hamid Jahed
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  7. Bruce W. Williams
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Corresponding author

Correspondence to Paresh Prakash .

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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Prakash, P. et al. (2019). Microstructure and Texture Evolution During Hot Compression of Cast and Extruded AZ80 Magnesium Alloy. 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_15

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