Tribological behaviour of UHMWPE/HDPE blends reinforced with multi-wall carbon nanotubes

被引：149
作者：
Xue, Y
Wu, W
Jacobs, O
Schädel, B
机构：
[1] Fachhsch Lubeck, Dept Mech, D-23562 Lubeck, Germany
[2] E China Univ Sci & Technol, Shanghai 201512, Peoples R China
来源：
POLYMER TESTING | 2006年 / 25卷 / 02期
关键词：
ultra-high molecular weight polyethylene (UHMWPE); multi-wall carbon nanotubes (MWCNTs); high density polyethylene (HDPE); wear; composite;
D O I：
10.1016/j.polymertesting.2005.10.005
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
This paper deals with the wear and creep resistance of a composite material consisting of ultra-high molecular weight polyethylene (UHMWPE) and high density polyethylene (HDPE) reinforced with multi-wall carbon nanotubes (MWCNTS). The CNT content was varied between 0.2 and 2 wt% to find the optimum filler content. The effect of a pre-treatment of the CNTs in boiling nitric acid on the wear resistance was studied. The wear tests were performed in a ball-on-prism tribometer against two types of polished steel (austenitic X5CrNi18-10 and martensitic 100Cr6). The static penetration of the ball into the composite material was measured beforehand. The results showed that carbon nanotubes can improve the wear performance of UHMWPE/HDPE composites. The specific wear rate of the composites decreased with increasing CNT content. The nanotubes can be dispersed in the matrix, however, nanotube aggregates also still exist. Further work is needed to improve the homogeneity of the nanotubes in the matrix. (c) 2005 Elsevier Ltd. All rights reserved.
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收藏
页码：221 / 229
页数：9
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