Effect of sliding speed and contact stress on tribological properties of ultra-high-molecular-weight polyethylene
Robert L. Fusaro, United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch, Lewis Research Center
National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1982 - Technology & Engineering - 19 pages
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400 kilocycles 440C high-temperature HT 440C high-temperature stainless-steel 800-rpm sliding speed AISI 440C high-temperature ambient 25 anisotropic Average friction coefficient birefringent buildup contact stress cycles of sliding disk wear track effect of sliding flowing surface layers friction and wear function of sliding groove hard particle heavy transfer hemispherically tipped 440C hemispherically tipped AISI highest sliding speed incremental wear rate Lewis Research Center lower sliding speeds magnification metallic rider moist air molecules NASA Optical microscopy Performing Organization Photomicrograph plastic deformation polyimide possible reason ppm H20 rider and disk rider transfer shown in figure shows Sliding duration sliding surfaces specimens stainless-steel rider sliding strain rate surface profiles Temperature tipped AISI 440C transfer films formed transfer to rider tribological properties UHMWPE disk wear UHMWPE material UHMWPE wear rate UHMWPE wear track ultra-high-molecular-weight polyethylene UHMWPE various sliding intervals various sliding speeds wear caused wear mechanisms wear particle wear process Wear Tests WEIGHT POLYETHYLENE