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Fatigue failure is the most common form of component failure in lower limb prosthetics. This project looks at two common prosthetic components, with the aim of determining their fatigue life and then recommending inspection intervals. A review of failed components is used to determine the conditions of a typical failure. Cracks are initiated in the two components which are cyclically tested with realistic loads. FEM analysis and crack growth analysis are used to build a model of the expected life of the components. This model is compared to the cyclic test results and manufactures testing. The model is then used to determine appropriate inspection intervals.
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FATIGUE Crack Growth Of Prosthetic Components
