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Material loss during hip simulator studies is commonly attributed to wear occurring within the bearing surfaces. Potential mass loss from the non-bearing surfaces and its contribution to the overall gravimetric measurement results are seldom mentioned in the literature. In this study, CoCrMo alloy disc samples and resurfacing cups with various surface conditions were immersion tested in serum solution...
Samples of ultrahigh molecular weight polyethylene (UHMWPE) have been surface treated with the active screen (AS) plasma nitriding technique. The results show that AS plasma nitriding can improve the mechanical properties such as hardness, elastic modulus and creep resistance on the surface of the investigated polymer. As a result, the nitrided samples have improved wear resistance as compared to...
AISI 316 austenitic stainless steel has been plasma nitrided using the novel active screen (AS) plasma nitriding technique. Wear properties of the AS plasma nitrided and untreated 316 stainless steel have been investigated using a pin-on-disc tribometer with cemented tungsten carbide ball as the counterface. Experimental results have shown that AS plasma nitriding can improve the wear resistance of...
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