Improving mechanical properties of constrained friction processing Mg-Zn-Ca alloys by modifying texture using multiple pass processing

Research output: Journal contributionsJournal articlesResearchpeer-review

Authors

  • Ting Chen
  • Banglong Fu
  • Uceu F.H.R. Suhuddin
  • Tong Shen
  • Gaohui Li
  • Emad Maawad
  • Junjun Shen
  • Jorge F dos Santos
  • Jean Pierre Bergmann
  • Benjamin Klusemann
Constrained Friction Processing (CFP), a novel friction-based technique, has been developed to efficiently process fine-grained magnesium (Mg) rods, expanding the potential applications of biodegradable Mg alloys in medical implants. This study investigates the enhancement of mechanical properties through the implementation of multiple pass CFP (MP-CFP) in comparison to the conventional single pass CFP. The results reveal a substantial improvement in compressive yield strength (CYS), ultimate compressive strength, and failure plastic strain by 11%, 28%, and 66%, respectively. A comprehensive analysis of material evolution during processing and the effects of the final microstructure on mechanical properties was conducted. The intricate material flow behavior during the final plunge stage of MP-CFP results in a reduced intensity of local basal texture and macrotexture. The diminished intensity of basal texture, combined with a low geometrical compatibility factor at the top of the rod after MP-CFP, effectively impedes slip transfer across grain boundaries. This leads to a local strain gradient along the compression direction, ultimately contributing to the observed enhancement in mechanical properties. The Mg-0.5Zn-0.3Ca (wt.%) alloy, after texture modification by MP-CFP, exhibits a competitive CYS compared with other traditional methods, highlighting the promising application potential of MP-CFP.
Original languageEnglish
JournalJournal of Materials Science and Technology
Volume232
Pages (from-to)209-226
Number of pages18
ISSN1005-0302
DOIs
Publication statusE-pub ahead of print - 01.03.2025

Bibliographical note

Publisher Copyright:
© 2025

    Research areas

  • Constrained friction processing, Magnesium alloys, Microstructure, Mechanical properties, Texture, Plastic deformation
  • Engineering

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