Study on Preparation and Tribological Characteristics of CF/PTFE/PEEK Composite
DOI: 10.23977/jmpd.2021.050101 | Downloads: 10 | Views: 1218
Author(s)
Pengyuan Gao 1, Yanjun Wang 1, Dezhang Meng 1, Xin Zhou 1
Affiliation(s)
1 School of Mechanical Engineering, University of Jinan, Jinan, China
Corresponding Author
Yanjun WangABSTRACT
Carbon fiber and polytetrafluoroethylene were used as composite fillers, and CF/PTFE/PEEK composite materials were prepared by vacuum hot-press sintering technology. The Vickers hardness tester and compressive strength tester were used to test the microhardness and compressive properties of the composite; the friction and wear properties were investigated by a multifunctional friction and wear testing machine and scanning electron microscope. The influence of the content of composite filler on the tribological and mechanical properties of polyetheretherketone composites was analyzed, and the mechanism of anti-wear and anti-wear was discussed. The research results show that the hardness and compressive strength of the composite material increase with the increase of CF content, and decrease with the increase of PTFE content. The hardness and compressive strength of 10%CF/PEEK are the highest. They are 30.24HV and 110.4MPa respectively. As the CF content increases, the friction coefficient of the composite material decreases first and then increases. When the CF content is 10%, the friction coefficient of the material is the lowest; as the PTFE content increases, the friction coefficient of the composite material gradually decreases, when the PTFE content reaches 5% ,The friction coefficient remains stable after 10%, and 10%CF/10%PTFE/PEEK has good wear resistance. Considering the combined effect of CF and PTFE, 10%CF/10%PTFE/PEEK composite material has good comprehensive performance.
KEYWORDS
Polyetheretherketone, carbon fiber, tribological properties, composite materialsCITE THIS PAPER
Pengyuan Gao, Yanjun Wang, Dezhang Meng, Xin Zhou, Study on Preparation and Tribological Characteristics of CF/PTFE/PEEK Composite. Journal of Materials, Processing and Design (2021) 5: 1-11. DOI: http://dx.doi.org/10.23977/jmpd.2021.050101
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