摘要
对比了聚四氟乙烯(PTFE)涂层和聚全氟乙丙烯(FEP)涂层的耐热性和在不同载荷下的摩擦磨损行为,并简要分析了它们的磨损机制。结果表明:PTFE涂层与FEP涂层的初始分解温度均高于450℃,前者比后者还高50℃;两种涂层的摩擦因数均随载荷增大而降低,PTFE涂层的摩擦因数始终低于FEP涂层,而磨损率在低载荷下却明显高于后者,仅在高载荷下二者相近;PTFE涂层与FEP涂层的磨损机理均为粘着磨损。
The thermal resistance of polytetrafluoroethylene(PTFE)coating and polyperfluoroethylene propylene(FEP)coating,as well as their friction and wear behaviors under different loads were compared.The wear mechanism was analyzed.The results showed that the initial decomposition temperatures of PTFE and FEP coatings were 450℃ above,and the former was 50℃ higher than the latter.The friction coefficients of both coatings were decreased with the increasing of load.The PTFE coating had a lower friction coefficient than FEP coating in all tests,but its wear rate was obviously higher under a low load,only close to that of FEP coating under a high load.The wear mechanisms of PTFE and FEP coatings are adhesive wear.
作者
曹志强
刘海彬
金叶
陈嘉彬
郭强
CAO Zhi-qiang;LIU Hai-bin;JIN Ye;CHEN Jia-bin;GUO Qiang(Materials School of Shanghai University,Shanghai 200444,China)
出处
《电镀与涂饰》
CAS
CSCD
北大核心
2019年第16期882-886,共5页
Electroplating & Finishing
基金
上海市自然科学基金（15ZR1415300）
关键词
聚四氟乙烯
聚全氟乙丙烯
涂层
摩擦磨损
polytetrafluoroethylene
polyperfluoroethylene propylene
coating
friction and wear
