Figure 1. Theoretical plot of property change vs. temperature for the Martensite to Austenite phase transformation of a shape memory alloy [13]

From

Vibration Control of a Flexible Beam with Embedded Shape Memory Alloy Wire

Nicholas G. Garafolo, Garrett McHugh

Journal of Mechanical Design and Vibration. 2018, 6(1), 9-16 doi:10.12691/jmdv-6-1-2