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Deformation Mechanisms in a Laves Phase

Published online by Cambridge University Press:  01 January 1992

Yaping Liu ,
Samuel M. Allen  and
James D. Livingston
Yaping Liu
Affiliation:
Department of Materials Science and Engineering Massachusetts Institute of TechnologyCambridge, MA 02139, USA
Samuel M. Allen
Affiliation:
Department of Materials Science and Engineering Massachusetts Institute of TechnologyCambridge, MA 02139, USA
James D. Livingston
Affiliation:
Department of Materials Science and Engineering Massachusetts Institute of TechnologyCambridge, MA 02139, USA
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Abstract

The stress-induced phase transformation between C36 and C15 structures in Fe2Zr is studied by electron microscopy. The nucleus of the transformation is believed to be some pre-existing C15 layers in C36 particles. Microstructural evidence for three mechanisms of growth of a new phase were found: Fault accumulation and rearrangement, moving of individual partial dislocations between two phases, and the migration of microscopic ledges composed of a series of Shockley partials between C36 and C15. Plastic deformation by slip on non-basal planes of C36 caused by indentation is studied.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 288: Symposium L – High-Temperature Ordered Intermetallic Alloys V , 1992 , 203
Copyright
Copyright © Materials Research Society 1995

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References

REFERENCES

[1] Ohba, Y. and Sakuma, N., Acta Metall, Vol. 37, No. 9, 2377, (1989).Google Scholar
[2] Liu, Yaping, Livingston, James D., and Allen, Samuel M., Met. Trans. A, Vol. 23A, No 12, (1992).Google Scholar
[3] Westbrook, J.H., Intermetallic Compounds, Robert E. Krieger Publishing Company, 1977.Google Scholar
[4] Kai, K., Nakamichi, T. and Yamamoto, M., J. Phys. Soc. Japan, Vol. 25, 1192, (1968).Google Scholar
[5] Allen, C.W. and Liao, K. C., Phys. Stat. Sol. (a) 673–681, 74, (1982).Google Scholar
[6] Allen, C.W., Kolar, H. R. and Spence, J. C. H., Proceedings of The International Conference on Martensitic Transformations, The Japan Institute of Metals, Sendai, Japan, 1986, p. 186–191.Google Scholar
[7] Olson, G.B. and Cohen, M., Ann. Rev. Mater. Sci., 11:1–30, (1981).Google Scholar
[8] Livingston, J.D., Phys. Stat. Sol.(a) 131, 415, (1992).Google Scholar
[9] Livingston, J.D. and Hall, E. L., J. Mater. Res., Jan., Vol.5, No.1, 5–8, (1990).Google Scholar