Tribological properties of polyimide composite coatings synergistically reinforced by metal-organic frameworks modified carbon fibers and graphite

被引：1
作者：
Yu, Zihui [1 ,2 ]
Pei, Xianqiang [1 ,2 ]
Pei, Qianyao [1 ,2 ]
Zhang, Yaoming [1 ,3 ]
Wang, Qihua [1 ]
Wang, Tingmei [1 ]
机构：
[1] Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 73000, Peoples R China
[2] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
[3] Yantai Zhongke Res Inst Adv Mat & Green Chem Engn, Yantai 264000, Peoples R China
来源：
TRIBOLOGY INTERNATIONAL | 2025年 / 201卷
关键词：
Metal-organic frameworks; Interface enhancement; Mechanical interlocking; Tribological properties; INTERFACIAL PROPERTIES; SURFACE; WEAR; XPS; FRICTION; BEHAVIOR; LAYER;
D O I：
10.1016/j.triboint.2024.110289
中图分类号：
TH [机械、仪表工业];
学科分类号：
0802 ;
摘要：
The tribological properties of neat polyimide (PI) are incompatible with service conditions, necessitating the urgent modification of its tribological properties. Carbon fibers (CFs) were surface modified with in-situ grown metal-organic frameworks (MOFs) incorporated into PI coating towards the goal of improving its mechanical and tribological properties in combination with graphite (Gr). It is successfully demonstrated that the enhanced interfacial adhesion between the CFs and PI, due to the mechanical interlocking effect of the MOFs, improved the load-carrying capacity and anti-wear properties of the coatings. Additionally, the friction-reduction effect of Gr further contributed to the improvement of tribological properties of MCFs/5Gr/PI coating. Overall, findings of the present study promote the development of engineering plastics with enhanced tribological properties.
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页数：11
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