On the tribological behaviour of selected, injection moulded thermoplastic composites

被引：67

作者：

Reinicke, R ^{[1
]}

Haupert, F ^{[1
]}

Friedrich, K ^{[1
]}

机构：

[1] Univ Kaiserslautern, Inst Verbundwerkstoffe GMBH, D-67663 Kaiserslautern, Germany

来源：

COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING | 1998年 / 29卷 / 07期

关键词：

polymer composites; thermoplastic; injection moulding; glass fibre reinforcement; internal lubricant; tribological behaviour; elevated temperatures; wear mechanisms;

D O I：

10.1016/S1359-835X(98)00052-9

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this study tribological investigations were carried out on different short fibre reinforced thermoplastic bearing materials, in particular on injection moulded samples of PA46-, PPA-, PPS-, and PEI-compounds with different amounts of glass fibres and PTFE. The objective was to characterise the friction and wear properties of these composites under dry sliding and dry fretting conditions. Experiments were performed within moderate pv-ranges at room temperature and also at elevated temperatures. The findings prove that using PTFE as an internal lubricant results in an improvement in the tribological behaviour of all polymers tested. The abrasive effect of the reinforcing short glass fibres was more intense under fretting wear than under sliding wear conditions. The strongest influence of the different testing methods was obtained for the PPS-compound. Regarding all the tests performed, the PA46- and PPA-compounds showed the best tribological behaviour. (C) 1998 Elsevier Science Ltd. All rights reserved.

引用

页码：763 / 771

页数：9

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