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The aim of this study was to evaluate the wear and tear of titanium biomaterials used for hip endoprosthesis. The test materials were samples of titanium and its alloys: Ti grade 4, Ti6Al7Nb and Ti13Nb13Zr. Model tribological tests were carried out in reciprocal motion under conditions of technically dry friction, friction with lubrication provided by an artificial blood solution and Ringer's solution...
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