载荷对Kevlar/PTFE纤维混杂织物摩擦学性能的影响

Journal of Yanshan University(2011)

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Abstract
采用电子小样织机机织Kevlar/PTFE纤维混杂织物,借助于MMU-5G端面摩擦磨损试验机,激光扫描共聚焦显微镜(CLSM),考察了Kevlar/PTFE纤维混杂织物在高速、干摩擦时不同载荷下的摩擦磨损性能。结果表明,在转速为300 r/min下,载荷越高,稳态摩擦系数值越低,随着载荷的不断增加,稳态摩擦系数下降趋势变缓;织物磨损深度随载荷增加而增加,但磨损率反而降低,织物的摩擦磨损与织物结构有关,磨损方式主要为磨粒磨损,以及PTFE在法向载荷挤压和摩擦剪切作用下发生塑性变形。
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Key words
friction,self-lubricating liner,fabric,wear
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