Effects of ternary additions on thermal conductivity of NiAl

Yoshihiro Terada, Kenji Ohkubo, Tetsuo Mohri, Tomoo Suzuki

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Ternary addition generally degrades an excellent conduction properties of NiAl. The contour map of thermal conductivity in NiAl-X β single phase field is drawn for the ternary elements X = Ti, Cu and Ge. It is revealed that each element has a characteristic ridge direction in the contour map. This feature is discussed based on the preference substitutional site of a ternary element, and eighteen ternary elements with a sufficient solubility into NiAl are classified into three groups according to the ridge direction. Thermal conductivity of NiAl-based alloys increases with increasing temperature, however the ridge direction in the contour map remains unchanged.

Original languageEnglish
Pages (from-to)717-723
Number of pages7
JournalIntermetallics
Volume7
Issue number6
DOIs
Publication statusPublished - 1999 Jun

ASJC Scopus subject areas

  • Chemistry(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys
  • Materials Chemistry

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