聚醚醚酮与不同硬质涂层配副的摩擦学行为对比_周小卉.pdf

表面技术 第 52 卷 第 6 期 246 SURFACE TECHNOLOGY 2023 年 6 月 收稿日期：20220506；修订日期：20221026 Received：2022-05-06；Revised：2022-10-26 基金项目：中国科学院 A 类战略性先导科技专项（XDA22010303）；中科院创新团队（292020000008）；浙江省自然科学基金（LQ20E020004）；宁波市科技创新 2025 重大专项（2022Z054）Fund：A-Class Pilot of the Chinese Academy of Sciences(XDA22010303);CAS Interdisciplinary Innovation Team(292020000008);Zhejiang Provincial Natural Science Foundation of China(LQ20E020004);Ningbo Science and Technology 2025 Innovation Project(2022Z054)作者简介：周小卉（1998），女，硕士生，主要研究方向为严苛环境防护涂层技术。Biography：ZHOU Xiao-hui(1998-),Female,Postgraduate,Research focus:coating technology for harsh environment protection.通讯作者：柯培玲（1979），女，博士，研究员，主要研究方向为减摩耐磨防护涂层。Corresponding author：KE Pei-ling(1979-),Female,Doctor,Professor,Research focus:antifriction and wear resistant protective coating.引文格式：周小卉,孙丽丽,蒋先春,等.聚醚醚酮与不同硬质涂层配副的摩擦学行为对比J.表面技术,2023,52(6):246-255.ZHOU Xiao-hui,SUN Li-li,JIANG Xian-chun,et al.Comparison of Tribological Behavior of Polyetheretherketone Matched with Different Hard CoatingsJ.Surface Technology,2023,52(6):246-255.聚醚醚酮与不同硬质涂层配副的摩擦学行为对比 周小卉1,2，孙丽丽1，蒋先春1，崔丽1，汪爱英1,3，崔平2,3，柯培玲1,3（1.中国科学院宁波材料技术与工程研究所 a.中国科学院海洋新材料与应用技术重点实验室 b.浙江省海洋材料与防护技术重点实验室，浙江 宁波 315201；2.上海科技大学 物质科学与技术学院，上海 201210；3.中国科学院大学，北京 100049）摘要：目的目的 对比聚醚醚酮（PEEK）与不锈钢、CrN 涂层、Cr/GLC 多层涂层 3 种配副的大气环境摩擦学行为。方法方法 采用多靶磁控溅射镀膜技术在 174PH 不锈钢基底表面制备 CrN 涂层和 Cr/GLC 多层涂层。采用摩擦磨损试验机和三维轮廓仪对配副摩擦因数和磨损率进行测试，采用扫描电镜、拉曼光谱仪和显微红外光谱仪等方法，表征不同配副摩擦前后的表面物理化学状态，剖析涂层与 PEEK 配副的磨损机理。结果结果 CrN涂层和 Cr/GLC 多层涂层均显著提高了不锈钢基底的摩擦性能，相较于 PEEK 与 17-4PH 不锈钢配副，CrN涂层和 Cr/GLC 多层涂层的摩擦因数都显著降低。此外，涂层的磨损率分别降低了 93.1%、97.4%；对应 PEEK配副的磨损体积也分别降低了 35.1%和 65.8%。在 3 种配副条件下，PEEK 摩擦后均发生了芳香环的开放、取代、交联，以及不同程度的结晶度损失，结晶度的顺序为未磨 PEEKPEEKCr/GLCPEEKCrN PEEK17-4。结论结论 CrN 涂层的硬度、粗糙度较高，且缺少润滑，黏着磨损更显著，PEEK 材料发生了大量转移，转移材料在减轻 PEEK 磨损的同时也阻止了结晶度的降低。PEEK 与 Cr/GLC 多层涂层配副表现出最佳的耐磨损性能，主要归因于摩擦时 PEEK 结晶度的维持及 GLC 中富石墨相赋予涂层的低剪切润滑作用。关键词：硬质涂层；非晶碳；石墨相；聚醚醚酮；摩擦；结晶度 中图分类号：TG115.5+8 文献标识码：A 文章编号：1001-3660(2023)06-246-10 DOI：10.16490/ki.issn.1001-3660.2023.06.021 Comparison of Tribological Behavior of Polyetheretherketone Matched with Different Hard Coatings ZHOU Xiao-hui1,2,SUN Li-li1,JIANG Xian-chun1,CUI Li1,WANG Ai-ying1,3,CUI Ping2,3,KE Pei-ling1,3(1.a.Key Laboratory of Marine Materials and Related Technologies,b.Zhejiang Key Laboratory of Marine Materials and Protective Technologies,Ningbo Institute of Materials Technology and Engineering,Chinese Academy of Sciences,Ningbo 315201,China;2.School of Physical Science and Technology,Shanghai Tech University,Shanghai 201210,China;3.University of Chinese Academy of Sciences,Beijing 100049,China)第 52 卷 第 6 期 周小卉，等：聚醚醚酮与不同硬质涂层配副的摩擦学行为对比 247 ABSTRACT:The surface coating technology can improve the friction and wear behavior of the substrate while maintaining its excellent mechanical properties.CrN coating as the representative of hard coating materials with high hardness can effectively resist impact and abrasive wear,and is often used in mechanical bearing shaft,piston pin and other friction protection.Diamond like carbon(DLC)coating is a kind of metastable material formed by the sp2 and sp3 hybrid of carbon,which has high hardness,wear resistance,chemical inertia and other properties.In particular,graphite-like carbon(GLC)coating,which is dominated by graphite-phase sp2 hybrid bond content,shows better adaptability to multiple environments.In order to carry out the technical optimization of polyetheretherketone(PEEK)matching materials,and solve the problem of easy wear of PEEK material of PEEK-stainless steel friction system,the work aims to compare and investigate the tribological behavior of PEEK matched with stainless steel,CrN and Cr/GLC coatings.CrN and Cr/GLC multi-layer coatings were prepared on 17-4PH stainless steel substrate(the size was 17 mm 3 mm)by multi-target magnetron sputtering deposition system.The coating thickness was about 1.8 m and 2 m,respectively.The friction testing machine was used to test the relationship between COF and time.The matching pair was PEEK ball with a diameter of 6 mm.The coating wear rate was calculated by 3D profilometer.The wear volume of three kinds of matching PEEK balls was calculated according to the volume of the crown.The physical and chemical states of the coatings were characterized by SEM,Raman and FTIR,etc.,and the wear mechanism between the coatings and PEEK was analyzed.The results showed that both CrN and Cr/GLC multi-layer coatings could improve the friction properties when they were matched with PEEK.Compared with stainless steel,the COF of CrN and Cr/GLC coatings reduced significantly.The wear rate of CrN coating and Cr/GLC coating decreased 93.1%and 97.4%.The wear volume for counterpart PEEK decreased by 35.1%and 65.8%,respectively.The aromatic ring opening,replacement,cross-linking,and loss of crystallinity occurred in PEEK surface during sliding process,and the crystallinity was as follows:unworn PEEK PEEK grinding with Cr/GLC PEEK grinding with CrN PEEK grinding with 17-4.When PEEK was against 17-4 PH stainless steel,t