Pt-20%Ir coils were used in medical devices as conductors for the leads that transfer the electrical signal from an implanted stimulator to the area of the body (e.g., brain or nerves) to be stimulated. In this study, the fatigue behavior and failure mechanism of Pt-20%Ir coils was studied with axial fatigue testing. The stress and strain on the coils was analyzed with the non-linear FEA (finite element analysis) software ABAQUS. A strain vs. fatigue curve was obtained. A SEM (scanning electron microscope) was used to analyze the fatigue fracture surface of the samples.
Fatigue Behavior of Pt-20%Ir Coils Used as Implanted Electrodes in Medical Devices
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Zhang, H, & Li, BQ. "Fatigue Behavior of Pt-20%Ir Coils Used as Implanted Electrodes in Medical Devices." Proceedings of the ASME 2013 International Mechanical Engineering Congress and Exposition. Volume 9: Mechanics of Solids, Structures and Fluids. San Diego, California, USA. November 15–21, 2013. V009T10A014. ASME. https://doi.org/10.1115/IMECE2013-63779
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