Effects of compositional complexity on the ion-irradiation induced swelling and hardening in Ni-containing equiatomic alloys

K. Jin, C. Lu, L. M. Wang, J. Qu, W. J. Weber, Y. Zhang, H. Bei*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

310 Citations (Scopus)

Abstract

The impact of compositional complexity on the ion-irradiation induced swelling and hardening is studied in Ni and six Ni-containing equiatomic alloys with face-centered cubic structure. The irradiation resistance at the temperature of 500 °C is improved by controlling the number and, especially, the type of alloying elements. Alloying with Fe and Mn has a stronger influence on swelling reduction than does alloying with Co and Cr. The quinary alloy NiCoFeCrMn, with known excellent mechanical properties, has shown 40 times higher swelling tolerance than nickel.

Original languageEnglish
Pages (from-to)65-70
Number of pages6
JournalScripta Materialia
Volume119
DOIs
Publication statusPublished - 1 Jul 2016
Externally publishedYes

Keywords

  • Alloy
  • Irradiation
  • Nanoindentation
  • Swelling

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