Role of Zn in enhancing the creep resistance of Mg-RE alloys

Deep Choudhuri, David Jaeger, Mark A. Gibson, Rajarshi Banerjee

Research output: Contribution to journalArticleResearchpeer-review

19 Citations (Scopus)

Abstract

Addition of Zn to Mg-Nd-La alloys resulted in an order of magnitude drop in the minimum creep rate. This remarkable improvement in creep resistance resulted from a high number density of highly refined γ″ precipitates within the α-Mg matrix coupled with preferential segregation of Zn atoms to defect/dislocation structures. These two microstructural features are expected to enhance the creep resistance by retarding dislocation motion within the α-Mg matrix.

Original languageEnglish
Pages (from-to)32-35
Number of pages4
JournalScripta Materialia
Volume86
DOIs
Publication statusPublished - 1 Sep 2014
Externally publishedYes

Keywords

  • Atom probe
  • Creep
  • Magnesium alloys
  • Precipitation
  • TEM

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