The fatigue resistance of TiAl-based alloys

Document Type

Article

Publication Date

7-1997

Department

Department of Materials Science and Engineering

Abstract

TiAl-based alloys are a class of intermetallic alloys that show potential as a high-temperature structural material. Many applications considered for TiAl-based alloys require certain damage-tolerance characteristics. In this article, the fatigue resistance of two-phase TiAl alloys is reviewed to assess the current understanding of the fatigue-damage processes in this class of emerging materials. Salient features of fatigue-crack growth and stress-life curves are summarized to identify the challenges these fatigue characteristics present in the life assessment of TiAl components.

Publication Title

JOM

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