Strengthening of a biodegradable Mg–Zn–Ca alloy ZX50 after processing by HPT and heat treatment

A. Ojdanic, E. Schafler, J. Horky, D. Orlov, M. Zehetbauer

Research output: Chapter in Book/Report/Conference proceedingPaper in conference proceedingResearchpeer-review

2 Citations (SciVal)

Abstract

This study investigates a biodegradable Mg–5Zn–0.3Ca alloy (ZX50) during HPT-processing and long-term heat treatments, the latter with respect to the evolution of intermetallic precipitates and vacancy clusters. Both the precipitates as well as the vacancy clusters achieve strength increases as the Zn atoms may act as potential trapping sites not only for HPT-induced dislocations but also vacancies. So far, overall increases of strength of up to 200% have been reached while keeping the Young’s modulus unchanged, thus representing an attractive improvement of mechanical properties for the actual alloy.

Original languageEnglish
Title of host publicationMagnesium Technology 2018
PublisherSpringer International Publishing
Pages277-282
Number of pages6
VolumePart F7
ISBN (Print)9783319723310
DOIs
Publication statusPublished - 2018
EventInternational Symposium on Magnesium Technology, 2018 - Phoenix, United States
Duration: 2018 Mar 112018 Mar 15

Publication series

NameMinerals, Metals and Materials Series
VolumePart F7
ISSN (Print)2367-1181
ISSN (Electronic)2367-1696

Conference

ConferenceInternational Symposium on Magnesium Technology, 2018
Country/TerritoryUnited States
CityPhoenix
Period2018/03/112018/03/15

Subject classification (UKÄ)

  • Metallurgy and Metallic Materials

Keywords

  • Biodegradability
  • Corrosion
  • Intermetallic particles
  • Mg-alloys
  • Severe plastic deformation
  • Vacancy agglomerates

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