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Processing and Deformation Behavior of Gamma TiAl Alloys with Fine-Grained Equiaxed Microstructures

Processing and Deformation Behavior of Gamma TiAl Alloys with Fine-Grained Equiaxed Microstructures This paper describes how a submicrocrystalline structure can be produced by isothermal deformation of cast and powder metallurgy γ-TiAl-based alloys at temperatures 1000°C and below using relatively inexpensive nickel-based superalloy die tooling. A detailed analysis of the effects of initial microstructure, chemical compositions, conditions of heat treatment and hot working on the formation of a homogeneous fine-grained microstructure in γ-TiAl-based alloys is presented. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Advanced Performance Materials Springer Journals

Processing and Deformation Behavior of Gamma TiAl Alloys with Fine-Grained Equiaxed Microstructures

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Publisher
Springer Journals
Copyright
Copyright © 1999 by Kluwer Academic Publishers
Subject
Engineering; Automotive Engineering; Characterization and Evaluation of Materials; Classical Mechanics; Metallic Materials
ISSN
0929-1881
eISSN
1572-8765
DOI
10.1023/A:1008718724229
Publisher site
See Article on Publisher Site

Abstract

This paper describes how a submicrocrystalline structure can be produced by isothermal deformation of cast and powder metallurgy γ-TiAl-based alloys at temperatures 1000°C and below using relatively inexpensive nickel-based superalloy die tooling. A detailed analysis of the effects of initial microstructure, chemical compositions, conditions of heat treatment and hot working on the formation of a homogeneous fine-grained microstructure in γ-TiAl-based alloys is presented.

Journal

Advanced Performance Materials – Springer Journals

Published: Oct 1, 2004

References

  • Gamma Titanium Aluminides
    Kim, Y.-W.
  • Structural Intermetallics
    Semiatin, S.L.; Chesnutt, J.C.; Austin, C.; Seetharaman, V.
  • Gamma Titanium Aluminides
    Liu, C.T.; Maziasz, P.J.; Clemens, D.R.; Scheibel, J.H.; Sikka, V.K.; Nieh, T.G.; Wright, J.; Walker, L.R.