System: OrthoPOD - units / Advanced Mechanical Technology Inc. (AMTI)
The wear test according to ASTM F732 applies to material pairings where the pin is made of polymer (e.g. UHMWPE) or polymer composites. The disc is usually made of a hard material (e.g. CoCr), so it is mainly the abrasion of the pin that has to be examined. With a special pin holder, cartilage pins with Ø 5.0 mm can also be tested.
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- The test goal is a screening of pairing materials before complete prostheses are tested (e.g. in the hip simulator).