不同注射温度和热处理对聚醚醚酮/碳纤维复合材料摩擦磨损性能的影响  

Effects of Different Injection Temperatures and Heat Treatments on Friction and Wear Properties of PEEK/CF Composites

作　　者：施水娟[1] 卞达 李佳红 王恺璇 徐鹏程 赵鹏 赵永武 陈义 SHI Shui-juan;BIAN Da;LI Jia-hong;WANG Kai-xuan;XU Peng-cheng;ZHAO Peng;ZHAO Yong-wu;CHEN Yi(School of Automobile and Transportation Engineering,Nantong Vocational University,Nantong 226000,China;School of Mechanical Engineering,Jiangnan University,Wuxi 214122,China;School of Intelligent Manufacturing,Wuxi Professional College of Science and Technology,Wuxi 214028,China)

机构地区：[1]南通职业大学汽车与交通工程学院,江苏南通226000 [2]江南大学机械工程学院,江苏无锡214122 [3]无锡科技职业学院智能制造学院,江苏无锡214028

出　　处：《塑料科技》2024年第4期23-27,共5页Plastics Science and Technology

基　　金：国家自然科学基金项目(51675232);江苏省自然科学基金(BK20190611)。

摘　　要：为了对聚醚醚酮(PEEK)的成型工艺进行优化,从而提高材料的耐磨损性能,并拓展其工业应用。以碳纤维(CF)为增强相,在不同注射温度条件下,制备了不同热处理工艺下的PEEK/CF复合材料。利用摩擦磨损试验机对复合材料的摩擦学性能进行测试,并利用X-射线衍射仪、白光干涉仪和扫描电子显微镜对材料进行表面分析和性能测试。结果表明:注射温度和热处理工艺对PEEK/CF复合材料的物相没有影响。随着注射温度的增加,样品表面的摩擦系数和磨损呈现出先减小后增大的趋势,而回火后样品的摩擦系数和磨损率更小。注射温度为175℃且回火后的材料,其摩擦系数最低,为0.0914,磨损率最小,为0.106×10^(-6)mm^(3)/(N·m)。研究表明,合适的注射温度和热处理可以提高PEEK/CF复合材料的减磨耐磨性能。In order to optimize the molding process of polyetheretherketone(PEEK)and improve the wear resistance of the material and expand the range of applications,carbon fiber(CF)is used as reinforcing phase and PEEK/CF composites under different heat treatment processes were prepared at different injection temperature conditions.Tribologic properties of composites are tested by tribo-wear testing machines,and surface analysis and performance tests are performed using a X-ray diffraction,a white light interferometer,and a scanning electron microscope.The results show that the injection temperature and heat treatment process have no effect on the phase of PEEK/CF composites.With the increase of injection temperature,the friction coefficient and wear of the sample surface show a trend of decreasing first and then increasing,while the friction coefficient and wear rate of the sample after tempering are smaller.When the injection temperature is 175℃,the friction coefficient of the tempered material is the lowest,which is 0.0914,and the wear rate is the lowest,which is 0.106×10^(-6)mm^(3)/(N·m).The research indicates that appropriate injection temperature and heat treatment can improve the wear reduction and wear resistance of PEEK/CF composites.

关 键 词：聚醚醚酮 碳纤维 摩擦系数 磨损率 

分 类 号：TB332[一般工业技术—材料科学与工程]