Nanotribological behavior of graphene nanoplatelet reinforced ultra high molecular weight polyethylene composites

被引：93

作者：

Lahiri, Debrupa ^{[1
,2
]}

Hec, Francois ^{[1
,3
]}

Thiesse, Mikael ^{[1
,3
]}

Durygind, Andriy ^{[4
]}

Zhang, Cheng ^{[1
]}

Agarwal, Arvind ^{[1
]}

机构：

[1] Florida Int Univ, Dept Mech & Mat Engn, Nanomech & Nanotribol Lab, Miami, FL 33174 USA

[2] Indian Inst Technol Roorkee, Dept Met & Mat Engn, Roorkee 247667, Uttar Pradesh, India

[3] Univ Lyon, INSA Lyon, F-69621 Villeurbanne, France

[4] Florida Int Univ, Dept Mech & Mat Engn, Ctr Study Extreme Mat Extreme Condit CeSMEC, Miami, FL 33174 USA

来源：

TRIBOLOGY INTERNATIONAL | 2014年 / 70卷

关键词：

Scratch resistance; Graphene; Ultrahigh molecular weight polyethylene; Coefficient of friction; WEAR; COATINGS; FRICTION;

D O I：

10.1016/j.triboint.2013.10.012

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Nano-scratch behavior of ultrahigh molecular weight polyethylene (UHMWPE) reinforced with graphene nanoplatelet (GNP) in varying composition of 0, 0.1, 0.5 and 1 wt% is reported. Hot pressed composite structures are characterized for their tribological behavior in scratch mode using a normal load of 100-300 mu N. Increasing GNP content from 0.1 to 1 wt% results in lowering of the coefficient of friction due to easy shear of graphene nanoplatelets. Graphene reinforcement also increases the wear resistance by more than four times, which is a combined effect of lubrication as well as toughening offered by GNPs. (C) 2013 Elsevier Ltd. All rights reserved.

引用

页码：165 / 169

页数：5

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