Using high pressure torsion to process magnesium alloys for biological applications

Abstract

The effect of high pressure torsion processing on mechanical properties and corrosion behavior of pure magnesium and Mg-Zn, Mg-Zn-Ca, Mg-Li-Y and Mg-Y-RE alloys is investigated. Micro-tomography and SEM characterization are used to estimate corrosion rate and evaluate non-uniform corrosion features. The results show that severe plastic deformation processing improves the strength of all magnesium alloys, but deformation localization can take place in the Mg-Zn-Ca and Mg-Y-RE alloys. The occurrence of deformation localization is associated with low strain rate sensitivity in these alloys and with severe corrosion localization. Pure magnesium and Mg-Zn and Mg-Li-Y alloys display good corrosion resistance with a low corrosion rate and maintain integrity after 28 days of immersion in Hank's solution.

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BibTeX

@article{medeiros2026using,
  title = {{Using high pressure torsion to process magnesium alloys for biological applications}},
  author = {Mariana Medeiros and Amanda Carvalho and Augusta Isaac and Conrado R.M. Afonso and Miloš Janeček and Peter Minárik and Mayerling Martinez Celis and Roberto Figueiredo},
  journal = {Journal of Materials Research and Technology},
  year = {2026},
  month = oct,
  doi = {10.1016/j.jmrt.2022.12.127},
  url = {https://hal.science/hal-05820692v1},
  note = {CC BY-NC-ND},
}

RIS

TY  - JOUR
TI  - Using high pressure torsion to process magnesium alloys for biological applications
AU  - Mariana Medeiros
AU  - Amanda Carvalho
AU  - Augusta Isaac
AU  - Conrado R.M. Afonso
AU  - Miloš Janeček
AU  - Peter Minárik
AU  - Mayerling Martinez Celis
AU  - Roberto Figueiredo
PY  - 2026
DA  - 2026/10/20
JO  - Journal of Materials Research and Technology
DO  - 10.1016/j.jmrt.2022.12.127
UR  - https://hal.science/hal-05820692v1
AB  - The effect of high pressure torsion processing on mechanical properties and corrosion behavior of pure magnesium and Mg-Zn, Mg-Zn-Ca, Mg-Li-Y and Mg-Y-RE alloys is investigated. Micro-tomography and SEM characterization are used to estimate corrosion rate and evaluate non-uniform corrosion features. The results show that severe plastic deformation processing improves the strength of all magnesium alloys, but deformation localization can take place in the Mg-Zn-Ca and Mg-Y-RE alloys. The occurrence of deformation localization is associated with low strain rate sensitivity in these alloys and with severe corrosion localization. Pure magnesium and Mg-Zn and Mg-Li-Y alloys display good corrosion resistance with a low corrosion rate and maintain integrity after 28 days of immersion in Hank's solution.
SN  - 2238-7854
SN  - 2214-0697
ER  -

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