Vacancy effects on the mechanical behavior of B2-FeAl intermetallics

M. Zamanzade*, G. Hasemann, C. Motz, M. Krüger, A. Barnoush

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

The present work addresses the impact of quenched-in thermal vacancies on the mechanical properties of B2 iron aluminides. For this reason different binary Fe-Al alloys with different histories of heat treatment were indented at room temperature. The contributions of mono- and bi-vacancies in addition to triple defects on the elastic, plastic and elastic-plastic transition were evaluated using nanoindentation technique. In the samples containing bi-vacancies, the increase of the hardness was much more pronounced compared to the mono-vacancies.

Original languageEnglish
Pages (from-to)88-96
Number of pages9
JournalMaterials Science and Engineering: A
Volume712
DOIs
Publication statusPublished - 17 Jan 2018
Externally publishedYes

Keywords

  • Hardness
  • Intermetallics
  • Iron alloys
  • Micromechanics
  • Plasticity
  • Stress/strain measurements

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