Figure 1. Hypothetical property change in shape memory alloy [1]

From

Active Stiffness Method for High Cycle Fatigue Mitigation using Topical Thin Foil Shape Memory Alloy

Nicholas G. Garafolo, Rachel Collard

Journal of Mechanical Design and Vibration. 2017, 5(1), 11-20 doi:10.12691/jmdv-5-1-2