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

  • T. C. Lee (a1), S. Shekhar (a1), A. Vilassakdanont (a1) and K. N. Subramanian (a1)

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.

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

  • T. C. Lee (a1), S. Shekhar (a1), A. Vilassakdanont (a1) and K. N. Subramanian (a1)

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