Effect of aging and training on the two-way shape memory effect of a NiAl-Fe alloy

Chao-Ying Xie; Ping Huang; Jianshen Wu

doi:10.1117/12.432784

11 July 2001 Effect of aging and training on the two-way shape memory effect of a NiAl-Fe alloy

Chao-Ying Xie, Ping Huang, Jianshen Wu

Proceedings Volume 4333, Smart Structures and Materials 2001: Active Materials: Behavior and Mechanics; (2001) https://doi.org/10.1117/12.432784
Event: SPIE's 8th Annual International Symposium on Smart Structures and Materials, 2001, Newport Beach, CA, United States

Abstract

The effects of aging and thermo-mechanical training on the two-way shape memory effect (TWSME) of a NiAl-Fe alloy have been investigated. It was found that the two-way shape memory property of NiAl-Fe alloy was increased obviously after training. The two-way shape recovery of NiAl-Fe specimens aged at 400 degree(s)C for 1 hour was higher than that of specimens without aging, and kept unchanged up to 1x10³ heating-cooling cycles. The fatigue life of NiAl- Fe specimens aged at 400 degree(s)C for 1 hour showing TWSME was more than 1x10³ cycles. The mechanisms for the effects of thermo-mechanical training, as well as aging precipitates on the TWSME have also been discussed.

Citation Download Citation

Chao-Ying Xie, Ping Huang, and Jianshen Wu "Effect of aging and training on the two-way shape memory effect of a NiAl-Fe alloy", Proc. SPIE 4333, Smart Structures and Materials 2001: Active Materials: Behavior and Mechanics, (11 July 2001); https://doi.org/10.1117/12.432784

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