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Location: Home>Papers of Tribology
Tribological Property of GO/UHMWPE Composites under the Lubrication of Bovine Serum Albumin
2013-07-10 ArticleSource:
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AN Yingfei1,2, TAI Zhixin1,3, YAN Xingbin1*, LIU Bin 2*, PEI Jinying4

(1.State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China;2.School of Stomatology, Lanzhou University, Lanzhou 730000, China;3.Graduate University of Chinese Academy of Sciences, Beijing 100049, China;4. School of Stomatology, The Fourth Military Medical University, Xi’an 710032, China)

Abstract: Under the lubrication of bovine serum albumin, the tribological property of Graphene oxide (GO)/UHMWPE composites were investigated using the reciprocating friction testing apparatus. After the wear test, the surface topographies and the wear volume of these composites were observed and evaluated by a high-resolution scanning electron microscope and an Micro-XAM three-dimensional surface profiler. The results demonstrate that compared with the pure UHMWPE, although the steady coefficient of friction of the composite was reduced, but no markedly changes were observed with the gradual increasing of GO content. However, for the wear rate of these composites was reduced significantly as the increasing content of GO. Therefore, under the lubrication of BSA, the wear resistance of UHMWPE was improved markedly with the addition of GO filler.

Key words: ultra-high molecular weight polyethylene; graphene oxide; bovine serum albumin; tribological property


Tribology, Vol. 32, Issue 6, 2012, 533~537

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