纺织学报 ›› 2017, Vol. 38 ›› Issue (07): 95-100.doi: 10.13475/j.fzxb.20160802206

• 染整与化学品 • 上一篇    下一篇

固化工艺对玻璃纤维织物增强材料摩擦性能的影响

  

  • 收稿日期:2016-08-09 修回日期:2017-03-23 出版日期:2017-07-15 发布日期:2017-07-18

Influence of curing process on tribological properties of glass fiber composite

  • Received:2016-08-09 Revised:2017-03-23 Online:2017-07-15 Published:2017-07-18

摘要:

针对石棉摩擦材料的分解产物致癌且严重污染环境的问题,以力学性能优异的玻璃纤维织物为基体,以酚醛缩醛黏合剂为固化剂,制成新型无石棉复合摩擦材料。研究了固化温度和固化时间、玻璃纤维织物的纤维方向以及酚醛缩醛黏合剂对该材料摩擦性能的影响。结果表明:当固化温度为180°C,固化时间为1h 时,该复合材料表现出优异的摩擦磨损性能,摩擦因数为0.25,且磨损最小;复合摩擦材料中垂直于纤维方向的磨损量比平行于纤维方向的少;该玻璃纤维复合材料摩擦磨损性能符合使用要求,又因其成本较低、耐热性好、机械强度良好等优点,可被广泛应用于各个领域。

关键词: 玻璃纤维织物, 酚醛树脂, 固化工艺, 摩擦性能

Abstract:

Decomposition products of asbestos friction material are carcinogenic and have severe pollution on the environment. In order to develop new ono-asbestos friction materials, glass fiber fabric which has excellent mechanical properties compared with asbestos was used as substrate, and phenolic resin was used as curing agent, By molding and curing, the friction material products were prepared. The influence of curing temperature, curing time, fiber orientation and phenolic resin on the tribological properties of glass fiber composite was studied in this paper. The results show that the optimum condition is curing time of 1 h and curing temperature of 180°C. Under this condition, the wear rate of the composite is the lowest with a friction coefficient of 0.25. The friction and wear properties of the glass fiber composite meet the application requirements. Furthermore, it can be widely used in various fields due to the advantages of low-cost, environmental friendiness, good heat resistance and mechanical strength.

Key words: glass fiber fabric, phenolic resin, curing process, friction property

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