Tribological properties and thermomechanical analysis of unsaturated polyester fabric composite in oscillating line-contact sliding

被引:11
作者
Samyn, Pieter [1 ]
机构
[1] Univ Freiburg, Fac Environm & Nat Resources, Chair Biobased Mat Engn, FRIAS, Werthmannstr 6, D-79085 Freiburg, Germany
关键词
Friction; Wear; Composite; Solid Lubricant; ABRASIVE WEAR BEHAVIOR; FRICTION; PTFE; POLYMER; PERFORMANCE; RESIN; POLYTETRAFLUOROETHYLENE; NANOPARTICLES; ORIENTATION; STABILITY;
D O I
10.1016/j.triboint.2016.03.013
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
The friction and wear properties of a composite containing unsaturated polyester resin with polyester fiber fabric reinforcement and internal lit PE lubricants are described under reciprocating dry sliding in a cylinder-on-plate contact against steel. By taking into account the deformation, creep, thermal expansion and strain recovery, on-line measurements for diameter reduction by wear are in agreement with postmortem weight loss measurements. However, it is most important to consider the effects of the maximum polymer surface temperatures. The sliding properties are controlled by mechanical shear and plasticization of the PTFE lubricants under mild sliding conditions with a transition into instable sliding at 75 degrees C correlating with curing of the matrix, and stable sliding at temperatures of 120 degrees C corresponding to thermally-controlled sliding of PTFE. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码:127 / 139
页数:13
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