工艺与制造英文2020被引 18
PTFE-玻纤层级编织/环氧复合材料的自润滑与高摩擦学性能研究
Hybrid PTFE-glass hierarchical braided/epoxy composites with self-lubricating and high tribological performance
Saeed Reza Zahabi, Mohammad Sheikhzadeh, Saleh Akbarzadeh, Ramazan Ali Abuzade, Frank Ko · Isfahan University of Technology
摘要整理
本研究采用聚四氟乙烯（PTFE）与玻璃纤维混杂纤维，构建层级编织结构作为复合材料增强体。通过PTFE包覆玻璃纤维进行编织以实现层级结构，随后采用真空辅助树脂传递模塑（VARTM）工艺制备复合材料。对所制备复合材料进行摩擦学性能测试。结果表明，由于PTFE转移膜的形成，复合材料具有自润滑特性和较低的动摩擦系数。扫描电镜（SEM）观察证实了转移膜的形成。在20 N、30 N和40 N载荷条件下，摩擦系数分别为0.112、0.105和0.096。实验摩擦系数结果通过混合理论得到验证。PTFE-玻纤编织环氧复合材料兼具自润滑特性和良好的力学性能，使其成为传统湿式轴承零件的可行替代方案。
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