关键词: 玄武岩纤维, 树脂基摩擦材料, 摩擦系数, 热衰退, 磨损率

Abstract: In order to explore the application of basalt fiber in resin-based friction materials, composites with 0~20% (mass fraction) basalt fibers have been prepared by hot-pressing. Friction and wear properties, hardness and shear strength have been tested. The wear surface morphology has been observed by scanning electron microscopy (SEM), and its wear mechanism has been discussed. The results show that the basalt fiber can significantly improve the hardness and shear strength, reduce the wear rate and increase the friction coefficient and the heat fade temperature. The higher the hardness, the larger the friction coefficient, the higher the shear strength and hardness, and the smaller the wear rate. When the basalt fiber content is 15%, the wear rate is at least 0.23 cm³/(N·m). When the basalt fiber content is 20%, the friction coefficient is up to 0.45. The main wear mechanism of basalt fiber reinforced resin-based friction materials is abrasive wear.

Key words: basalt fiber, resin-based friction material, friction coefficient, heat fading, wear rate