摘要
以丁腈橡胶为基体,混杂纤维作为增强体,添加古马隆树脂和其他填料,通过热压成型制备复合摩擦材料,测试并分析了材料的物理、力学性能和摩擦磨损性能,采用SEM观察材料摩擦后的表面形貌,分析其磨损机制。结果表明少量的古马隆树脂可以有效地降低材料的硬度并提高材料的机械性能;且当古马隆树脂的添加量为2%时,摩擦材料硬度低且力学强度达到最优,摩擦系数最稳定,磨损率较低;其磨损机制随着古马隆树脂的添加,由磨粒磨损转变为黏着磨损。
Composite friction materials were prepared by heat-press molding process with nitrile rubber as the matrix, hybrid fibers as the reinforcement, adding coumarone resins and other fillers. The physical, mechanical and the friction and wear properties of materials were tested and analyzed. The surface morphology after friction was observed by SEM, and the wear mechanism was analyzed. The results showed that a small amount of coumarone resin could effectively reduce the hardness of the material and improve the mechanical properties, and when the amount of coumarone resin was 2 %, the mechanical properties of the composite material were optimal with low hardness, most stable friction coefficient, low wear rate. With the addition of coumarone resin, the wear mechanism changed from the abrasive grains wear into adhesive wear.
出处
《武汉理工大学学报》
CAS
北大核心
2016年第6期22-26,共5页
Journal of Wuhan University of Technology
基金
国家自然科学基金(20111j0056)
关键词
古马隆树脂
摩擦磨损性能
机械性能
磨损机制
coumarone resin
friction and wear properties
mechanical properties
wear mechanism
