Influence of Equal-Channel Angular Pressing on the Microstructure and Texture of Mg-Zn-Y-Zr-RE Alloy Sheets

Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

Authors

  • Viktor Böhm
  • Maximilian Gruber
  • Elias Abele
  • Cordula Steinbauer
  • José Victoria-Hernández
  • Dietmar Letzig
  • Noomane Ben Khalifa
  • Wolfram Volk

Due to their high specific strength, rolled Magnesium sheets have excellent prerequisites for lightweight construction applications. However, the hexagonal crystal structure of Mg offers only few slip systems that can be activated at low temperature, thus limiting the ductility. Additionally, the pronounced texture of rolled Mg sheets further limits its cold formability. Equal-Channel Angular Pressing (ECAP) is a suitable way to tailor the crystallographic texture, refine the grains, and thus improve the formability of the sheets. Since it is a discontinuous process, deformation can be applied in different shear planes by rotating the sheets. The influence of these so-called process routes on the resulting microstructure of the sheets is investigated in this work using a Mg-Zn-Y-Zr-RE alloy. Already after the second ECAP pass, a noticeable grain size refinement could be achieved. Furthermore, experimental studies showed that the elongation at fracture at elevated temperatures of the Mg alloy can be increased by ECAP.

Original languageEnglish
Title of host publicationProceedings of the 14th International Conference on the Technology of Plasticity - Current Trends in the Technology of Plasticity : ICTP 2023 - Volume 3
EditorsKatia Mocellin, Pierre-Olivier Bouchard, Régis Bigot, Tudor Balan
Number of pages11
Volume3
Place of PublicationCham
PublisherSpringer International Publishing
Publication date2024
Pages456-466
ISBN (print)978-3-031-41340-7
ISBN (electronic)978-3-031-41341-4
DOIs
Publication statusPublished - 2024
Event14th International Conference on Technology of Plasticity, ICTP 2023 - Congress Center France , Mandelieu-La Napoule, France
Duration: 24.09.202329.09.2023
https://ictp2023.org/en/

Bibliographical note

Funding Information:
Acknowledgements. The results of this study have been published as part of the joint research project VI 1169/1-1 and VO 1487/58-1 “Reduction of plastic anisotropy and improved formability of novel magnesium alloy sheets through utilization of Equal-Channel Angular Pressing (ECAP)”, which was funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) – 455383045.

Publisher Copyright:
© 2024, The Author(s), under exclusive license to Springer Nature Switzerland AG.

    Research areas

  • Crystallographic Texture, Equal-Channel Angular Pressing, Magnesium Alloy, Microstructure Optimization
  • Engineering

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