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The fatigue resistance of TiAl-based alloys

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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 fatiguedamage 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.

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Authors
  1. Kwai S. Chan
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Additional information

K. S. Chan earned his Ph.D. in metallurgical engineering from the Michigan Technological University in 1980. He is currently an institute scientist at Southwest Research Institute. Dr. Chan is also a member of TMS.

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Chan, K.S. The fatigue resistance of TiAl-based alloys. JOM 49, 53–58 (1997). https://doi.org/10.1007/BF02914769

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