Fatigue Crack Initiation
The image on the left is a time lapse animation of a crack initiating and growing from a notch in super-elastic nitinol. It is [...]
Medical Implant Material Fatigue Research
With the growing use of Nitinol in medical implants, there is a need for improved characterization of the material behavior of Nitinol and methodologies [...]
Recent Moire Interferometry Experiments
We dusted off the interferometer recently to perform some new experiments on Nitinol. The photo on the left shows our four beam phase shifted [...]
Characterization of Nitinol Material Behavior for the Design and Validation of Medical Implants
Direct strain measurements in AAA stent using phase shifted moire interferometry. You can download a poster I presented at the MPMD fall [...]
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 [...]
Full-field Measurement of Fracture Initiation in Nitinol
Phase shifted moire interferometry of crack and transformation zone in Nitinol fatigue specimen. You can download our presentation of Nitinol fatigue and [...]