Volume 24 Issue 6
Jun.  1998
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Lin Jianguo, Zhang Yonggang, Chen Changqiet al. Effects of the Microstructure of γ-TiAl Alloys on the Creep Behavior[J]. Journal of Beijing University of Aeronautics and Astronautics, 1998, 24(6): 734-737. (in Chinese)
Citation: Lin Jianguo, Zhang Yonggang, Chen Changqiet al. Effects of the Microstructure of γ-TiAl Alloys on the Creep Behavior[J]. Journal of Beijing University of Aeronautics and Astronautics, 1998, 24(6): 734-737. (in Chinese)

Effects of the Microstructure of γ-TiAl Alloys on the Creep Behavior

  • Received Date: 02 Jul 1998
  • Publish Date: 30 Jun 1998
  • The relationship between microstructure and creep behavior of γ-TiAl alloys was analyzed and discussed, and the effect of the orientation of lamellar boundaries with respect to loading axis on the creep behavior of TiAl alloy with fully lamellar structure was studied by using TiAl PST crystals. It is indicated that the primary microstructure parameters which have important influences on the creep behavior are lamellar orientations with respect to loading axis, volume faction of γ grains, lamellar grain size, lamellar width and grain boundary morphology. The way to get high creep resistance by microstructure control has been suggested.

     

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