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Plastic deformation in an Al–Cu–Fe icosahedral alloy

Published online by Cambridge University Press:  31 January 2011

J.E. Shield ,
M.J. Kramer  and
R.W. McCallum
J.E. Shield
Affiliation:
Ames Laboratory, United States Department of Energy, Ames, Iowa 50011-3020
M.J. Kramer
Affiliation:
Ames Laboratory, United States Department of Energy, Ames, Iowa 50011-3020
R.W. McCallum
Affiliation:
Ames Laboratory, United States Department of Energy, Ames, Iowa 50011-3020
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Abstract

Al—Cu—Fe quasicrystalline alloys have been deformed by high-temperature creep between 680 and 740 °C. Deformations greater than 30% were achieved without cracking. Analysis of the data in the quasi-steady state regime reveals power law behavior with a stress exponent of 2.5. The activation energy for deformation was determined to be 640 ± 20 kJ/mole in the temperature region investigated. Transmission electron microscopy revealed lamellar defects which appear similar to twins.

Type
Rapid Communications
Information
Journal of Materials Research , Volume 8 , Issue 6 , June 1993 , pp. 1199 - 1202
Copyright
Copyright © Materials Research Society 1993

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References

REFERENCES

1Shibuya, T., Hashimoto, T., and Takeuchi, S., Jpn. J. Appl. Phys. 29, L349 (1990).CrossRefGoogle Scholar
2Bresson, D. and Gratias, D., 4th Int. Conf. Quasicrystals, St. Louis, MO, 1992.Google Scholar
3Kang, S.S. and Dubois, J.M., Philos. Mag. A 66, 151 (1992).CrossRefGoogle Scholar
4Devaud-Rzepski, J., Comier-Quiquandon, M., and Gratias, D., Q3rd Int. Meeting on Quasicrystals and Incommensurate Structures (World Scientific, Vista Hermosa, Mexico, 1989), p. 498.Google Scholar
5Wollgarten, M., Zhang, Z., and Urban, K., Philos. Mag. A 64, 819 (1991).CrossRefGoogle Scholar
6Wollgarten, M., Zhang, Z., and Urban, K., Philos. Mag. Lett. 65, 1 (1992).CrossRefGoogle Scholar
7Zhang, Z. and Zhuang, Y., Philos. Mag. Lett. 65, 203 (1992).CrossRefGoogle Scholar
8Poirier, J-P., Creep of Crystals (Cambridge University Press, New York, 1985), p. 76.CrossRefGoogle Scholar
9Wittmann, R., Urban, K., Schandl, M., and Hornbogen, E., Mater, J.. Res. 6, 1165 (1991).Google Scholar
10Gayle, F.W., Shapiro, A.J., Biancaniello, F. S., and Boettinger, W.J., Metall. Trans. A (in press).Google Scholar
11Bancel, P. A., Quasicrystals: The State of the Art, edited by DiVincenzo, D.P. and Steinhardt, P. J. (World Scientific, London, 1991), p. 17.CrossRefGoogle Scholar
12Dieter, G. E., Mechanical Metallurgy (McGraw-Hill, New York, 1986), p. 133.Google Scholar