碳纤维增强树脂基摩擦材料摩擦磨损性能

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碳纤维增强树脂基摩擦材料摩擦磨损性能
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作者单位:南昌大学机电工程学院
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中图分类号:TB332
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Friction and Wear Properties of Carbon Fiber ReinforcedResin- Based Friction Material

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摘要:

为提高树脂基摩擦材料摩擦因数稳定性,改善其抗热衰退性能。以碳纤维作为增强纤维,采用热

压成型工艺制备碳纤维增强树脂基摩擦材料;用XD-MSM 型定速摩擦试验机测定摩擦磨损性能,研究了不同

含量碳纤维增强对树脂基摩擦材料摩擦磨损性能的影响;利用VK-X200 三维激光扫描显微镜观察了摩擦材

料磨损后表面的微观形貌并探讨其磨损机理。结果表明,碳纤维增强树脂基摩擦材料的硬度、压缩强度和剪切

强度均得到提高,并随碳纤维含量的增加而逐渐增大;碳纤维增强作用提高了树脂基摩擦材料的耐磨性和摩擦

因数的稳定性,改变了树脂基摩擦材料的摩擦磨损形式;碳纤维含量为4wt% 的增强树脂基摩擦材料摩擦因数

稳定性较高,抗热衰退性能较好,磨损机制主要为疲劳磨损。

Abstract:

To improve the friction coefficient stability of resin-based friction material, and improve the property

of inhibit thermal degradation. Carbon fibers as reinforcing fibers, carbon fibers reinforced resin based friction materi

als were prepared by thermoforming process. Friction and wear properties were measured through XD-MSM type con

stantspeed friction tester, the effects of different carbon fiber content on friction and wear properties of resin -based

friction material were studied. Worn surface morphology was observed by using VK-X200 three-dimensional laser scan

ning microscope, and wear mechanism was discussed. The results show that the hardness, compressive strength and

shear strength of carbon fibers reinforced resin-based friction materials were improved, and increased gradually with

the increase of carbon fiber content. Carbon fiber improved the friction coefficient stability of resin-based friction mate

rial, enhanced the wear resistance and changed the form of friction and wear. The properties of friction coefficient sta

bility and inhibit thermal degradation was great, and the wear mechanism was fatigue wear when the mass percentage

of carbon fiber was 4wt% in the resin-based friction material.

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殷艳飞刘莹丁郭毕勇强.碳纤维增强树脂基摩擦材料摩擦磨损性能[J].宇航材料工艺,2016,46(2).

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在线发布日期: 2016-11-28
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