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Plastic Deformation of Ti3Al and Ti3Al/TiA1 Polycrystals

Published online by Cambridge University Press:  26 February 2011

S. A. Court
Affiliation:
Department of Materials Science and Engineering, University of Illinois, 1304 W. Green St., Urbana, IL 61801, U.S.A.
J. P. A. Löfvander
Affiliation:
Department of Materials Science and Engineering, University of Illinois, 1304 W. Green St., Urbana, IL 61801, U.S.A.
M. A. Stucke
Affiliation:
Department of Materials Science and Engineering, University of Illinois, 1304 W. Green St., Urbana, IL 61801, U.S.A.
P. Kurath
Affiliation:
Materials Engineering Research Lab., University of Illinois, 1304 W. Green St., Urbana, IL 61801, U.S.A.
H. L. Fraser
Affiliation:
Department of Materials Science and Engineering, University of Illinois, 1304 W. Green St., Urbana, IL 61801, U.S.A.
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Abstract

Samples of polycrystalline Ti3Al-base alloys, and a two phase Ti3Al/TiAl mixture have been deformed at room temperature and at elevated temperatures and examined subsequently by transmission electron microscopy in order to determine the influence of temperature and alloy content on the relative activity of the various slip systems. In particular, the detailed influence of covalent bonding on dislocation mobility in Ti3Al has been identified.

Type
Research Article
Copyright
Copyright © Materials Research Society 1989

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References

REFERENCES

1. Shechtman, D., Blackburn, M.J. and Lipsitt, H.A., Metall. Trans., 5, 1079 (1975).Google Scholar
2. Hug, G., Loiseau, A. and Lasalmonie, A., Phil. Mag., 54, 47 (1986).Google Scholar
3. Hug, G., Loiseau, A. and Veyssiere, P., Phil. Mag., 57, 499 (1988).Google Scholar
4. Loiseau, A. and Lasalmonie, A., Mater. Sci. and Eng., 67, 163 (1984).Google Scholar
5. Williams, J.C. and Blackburn, M.J., Ordered Alloys, edited by Kear, B.H., Sims, C.T., Stoloff, N.S. and Westbrook, J.H., (Baton Rouge: Claitor's Publishing Division, 1970), p. 425.Google Scholar
6. Blackburn, M.J. and Smith, M.P., U.S. Patent No 4,294,615, (13 October 1981).Google Scholar
7. Court, S.A., Löfvander, J.P.A., Loretto, M.H. and Fraser, H.L., submitted to Phil. Mag.Google Scholar
8. Court, S.A., Löfvander, J.P.A., Loretto, M.H. and Fraser, H.L., accepted for publication in Phil. Mag.Google Scholar
9. Court, S.A., Vasudevan, V.K., Kurath, P. and Fraser, H.L., submitted to Phil. Mag.Google Scholar
10. Greenberg, B.F., Anisimov, V.I., Gornostirev, Yu. N. and Taluts, G.G., Scripta Metall., 22, 859 (1988).Google Scholar
11. Marcinkowski, M.J., Electron Microscopy and Strength of Crystals, edited by Thomas, G. and Washburn, J., (Interscience Publishers, New York, 1963), p.333.Google Scholar
12. Konitzer, D.G., Jones, I.P. and Fraser, H.L., Scripta Metall., 20, 265 (1986).Google Scholar
13. Stucke, M.A., Court, S.A., Kurath, P. and Fraser, H.L., to be submitted to Scripta Met.Google Scholar