Microstructure and deformation behavior of Ir-Nb two-phase refractory superalloys for various Nb content

Yuefeng Gu, Y. Yamabe-Mitarai, Y. Ro, H. Harada

Research output: Contribution to journalArticlepeer-review

29 Citations (Scopus)

Abstract

The effects of Nb content on the microstructures and deformation behavior of Ir-Nb two-phase refractory superalloys were studied. When the Nb content of the alloy was below 17at%, the yield strength increased with increasing Nb. When the Nb content exceeded 17at%, the strength decreased with increasing Nb content. The intergranular brittleness of Ir single-phase alloys was governed by controlling the microstructures around grain boundaries in Ir-Nb two-phase alloys.

Original languageEnglish
Pages (from-to)1313-1319
Number of pages7
JournalScripta Materialia
Volume40
Issue number11
DOIs
Publication statusPublished - 1999 May 7
Externally publishedYes

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys

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