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The effects of different crystallographic orientations of the grains on damping capacity (tanδ) were investigated
using nano-dynamic mechanical analysis in pure magnesium, hexagonal close packed structure (HCP) Mg–20Sc (at.%), and body centred cubic structure (BCC) Mg–20Sc (at.%) alloy. In comparison to HCP Mg–Sc, the grain orientation has a significant impact on the tanδ of pure Mg and BCC Mg–Sc. Furthermore, the tanδ value of pure Mg at any given frequency were higher than those of HCP and BCC Mg–Sc samples due to the absence of the solute atom Sc.

Rights:

• Creative Commons BY-NC-ND Attribution-NonCommercial-NoDerivs 4.0 International
  

  © 2023.
  Licensed under the Creative Commons https://creativecommons.org/licenses/by-nc-nd/4.0/.

Keyword: Magnesium alloy, Dynamic mechanical analysis, Damping, Martensitic phase transformation

Date published: 2023-06-22

Publisher: Elsevier BV

Journal:

• Materials Science and Engineering: A (ISSN: 09215093) vol. 880 145198

Funding:

• Japan Society for the Promotion of Science 17J10094
• Japan Society for the Promotion of Science 18K14032
• Japan Society for the Promotion of Science 22H01835

Manuscript type: Author's version (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.4672

First published URL: https://doi.org/10.1016/j.msea.2023.145198

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Updated at: 2025-06-23 08:30:39 +0900

Published on MDR: 2025-06-23 08:20:01 +0900