The Influence of Porous Structure on Tribological Properties of Porous UHMWPE

Gang Wu; Shuang Kun Chen; Hong Ling Qin; Chun Hua Zhao

doi:10.4028/www.scientific.net/AMR.482-484.954

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The Influence of Porous Structure on Tribological Properties of Porous UHMWPE

Abstract:

Porous UHMWPE with different character were prepared by hot press molding in Metallographic Sample Mounting. Friction and wear loss of porous UHMWPE samples were studied under different loads and lubricant on an improved tribological tester. The friction coefficient and wear loss of samples with porosity of 5.44% are lower than that of samples with porosity of 10.17%, which attribute to the better porous structure and extrusion effect of lubricant in testing. Among the increasing of loads, friction and wear loss of porous samples are enhance rapidly. It is also found that the thickness of porous layer has little effect on the tribological properties of porous UHMWPE.