逄显娟,岳世伟,黄素玲,谢金梦,王帅,宋晨飞,岳赟,刘建,李栋

• 1:河南科技大学材料科学与工程学院
• 2:河南科技大学高端轴承摩擦学技术与应用国家地方联合工程实验室
• 3:河南科技大学化学化工学院

摘要(Abstract)：

聚醚醚酮(PEEK)因独特的结构使其具有良好的自润滑性、耐高温及耐水解等优异的综合性能。但PEEK作为特种工程塑料代表之一，由于成型温度高，普通塑料的成型方式和腔体磨具很难满足其要求。鉴于此，利用真空热压烧结技术在不同烧结温度下制备了纯PEEK材料。采用X射线衍射、红外和热重等表征手段对材料的结构、力学性能和热学性能进行表征，并利用多功能摩擦磨损试验机、三维轮廓仪和扫描电镜等分析了材料的摩擦磨损性能。结果表明：烧结温度没有改变PEEK材料的结构，对其热学性能影响较小；随着烧结温度的升高，PEEK材料的硬度稍有增加，热稳定性有一定程度的提高；当烧结温度为350℃时，PEEK材料的拉伸性能和摩擦磨损性能最佳，抗拉强度、弹性模量和磨损率分别为65.15 MPa、6.42 GPa和0.513×10~(-4) mm~3/(N·m)。

关键词(KeyWords)： 聚醚醚酮;烧结温度;结构;摩擦;磨损

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(92266205,52105181);; 河南省自然科学基金(222300420436);; 河南省高校国家级大学生创新创业训练计划(202210464028);; 河南科技大学大学生研究训练计划(2022183)

作者(Author): 逄显娟,岳世伟,黄素玲,谢金梦,王帅,宋晨飞,岳赟,刘建,李栋

DOI: 10.13289/j.issn.1009-6264.2023-0211

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