The two-way shape memory effect (TWSME), has been studied in a near-equiatomic NiTi commercial alloy. Two bending training methods have been applied on NiTi wires. One is based on the martensite deformation and the other on thermal cycling under constant bending curvature. The efficiency of each method has been evaluated with better results of TWSME in the martensite deformation method. Finite element simulation has been performed on wires, in the pure bending mode, in order to calculate the maximum tensile strain in the transversal section of the wire. These simulations have allowed us to compare our results with the TWSME data obtained in prior studies under the tensile mode.
Training of the Two-Way Shape Memory Effect by Bending in NiTi Alloys
Contributed by the Materials Division for publication in the JOURNAL OF ENGINEERING MATERIALS AND TECHNOLOGY. Manuscript received by the Materials Division October 22, 2001; revised manuscript received April 4, 2002. Associate Editor: C. Brinson.
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Lahoz, R., Gracia-Villa, L., and Pue´rtolas, J. A. (September 30, 2002). "Training of the Two-Way Shape Memory Effect by Bending in NiTi Alloys ." ASME. J. Eng. Mater. Technol. October 2002; 124(4): 397–401. https://doi.org/10.1115/1.1495001
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