Real Time Moire Interferometric Measurements of Nitinol Fatigue

Nitinol fatigue-SD from echobio on Vimeo.

You can view an animation in real time of a crack growing in a Nitinol fatigue specimen observed using moire interferometry while the test was being conducted in our Bose Electroforce test machine that shows a moving transformation zone and perceptible fringes captured at 30 frames per second.