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Mechanical Behavior of Cu-10ni-6Sn Spinodal Alloy

Published online by Cambridge University Press:  21 February 2011

T. C. Lee ,
S. Shekhar ,
A. Vilassakdanont  and
K. N. Subramanian
T. C. Lee
Affiliation:
Department of Metallurgy, Mechanics and Materials Science, Michigan State University, East Lansing, MI 48824U.S.A.
S. Shekhar
Affiliation:
Department of Metallurgy, Mechanics and Materials Science, Michigan State University, East Lansing, MI 48824U.S.A.
A. Vilassakdanont
Affiliation:
Department of Metallurgy, Mechanics and Materials Science, Michigan State University, East Lansing, MI 48824U.S.A.
K. N. Subramanian
Affiliation:
Department of Metallurgy, Mechanics and Materials Science, Michigan State University, East Lansing, MI 48824U.S.A.
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Abstract

Experimental studies on deformation behavior of Cu-10Ni-6Sn spinodal alloy specimens subjected to different aging treatments were carried out at various temperatures ranging from 77°K to 353°K, using a micro-tensile device. It was found that the total elongation was independent of aging time as long as the modulated structure was coherent. Observed slip distribution and activation energy obtained in these investigations are presented. Transmission electron microscopy of deformed specimens showed straight dislocations in as-quenched samples; they were curved and wavy in aged samples. Burgers vector analysis of the dislocations present in the deformed aged samples indicated that they were of mixed character. Preliminary theoretical results on the role of wave-squaring of the internal stress field on CRSS are also presented.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 21: Symposium GREECE – Phase Transformations in Solids , 1983 , 577
Copyright
Copyright © Materials Research Society 1984

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References

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