[Effect of surface hardness of the femur head prosthesis on abrasive wear forces in pairing with polyethylene for artificial hip joints].


The problem of wear has become a major issue in total joint replacement. A correlation between biomaterial hardness and abrasive wear mechanisms may be assumed. To investigate the effect of hardness, cobalt-chromium (CoCr) femoral heads coated with hard amorphous-hydrogenated carbon (a-CH) were tested against uncoated heads under conditions of abrasive wear… (More)


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