Phase constitution and creep properties of Ir-Ni-Al alloys

Y. Yamabe-Mitarai, H. Aoki

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

To design high-temperature materials with good creep properties at 1773 K, the creep behavior of Ir-Ni-Al alloys was investigated. The phase constitution and microstructure of the Ir-Ni-Al alloys were examined using X-ray diffraction analysis (XRD) and scanning electron microscopy (SEM) with energy dispersive X-ray spectroscopy (EDS). Compression creep tests were then carried out with some of the Ir-Ni-Al alloys at 1773 K under 30 MPa. The deformation mechanism was discussed in terms of solid-solution hardening and precipitation hardening.

Original languageEnglish
Pages (from-to)152-159
Number of pages8
JournalMaterials Science and Engineering A
Volume362
Issue number1-2
DOIs
Publication statusPublished - 2003 Dec 5

Keywords

  • B2
  • Compression creep
  • Fcc
  • Precipitation hardening
  • Solid-solution hardening

ASJC Scopus subject areas

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

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