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 ambient 25 anisotropic Average friction coefficient buildup cycles of sliding disk wear track effect of sliding flowing surface layers friction and wear function of sliding hard particle heavy transfer hemispherically tipped 440C highest sliding speed i i i i incremental wear rate Lewis Research Center lower sliding speeds magnification metallic rider NASA Optical microscopy Photomicrograph plastic deformation plastically flowing surface polyimide polymer possible reason ppm H2O Projected contact stress rider and disk rider that slid rider transfer rpm m/s shown in figure slid on UHMWPE Sliding duration sliding surfaces specimens stainless-steel rider sliding surface profiles Temperature Test Sliding speed 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 process Wear Tests WEIGHT POLYETHYLENE