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Effects of carbon fibers with different particle sizes on the physical properties of MoS2-filled PTFE composites

Zhang, Ke ; Ji, Xin ; Mi, Yiming ; Gao, Lei ; Wang, Tianyu

Philosophical magazine letters, 2021-07, Vol.101 (7), p.277-286 [Periódico revisado por pares]

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Título:
Effects of carbon fibers with different particle sizes on the physical properties of MoS2-filled PTFE composites
Autor: Zhang, Ke ; Ji, Xin ; Mi, Yiming ; Gao, Lei ; Wang, Tianyu
Assuntos: Abrasion ; carbon fiber ; Carbon fibers ; Cold pressing ; Elongation ; filling ; mechanical properties ; Molybdenum disulfide ; Morphology ; Particle size ; Particulate composites ; Physical properties ; Polytetrafluoroethylene ; PTFE composites ; Tensile strength ; Wear rate ; Wear resistance
É parte de: Philosophical magazine letters, 2021-07, Vol.101 (7), p.277-286
Descrição: A series of polytetrafluoroethylene (PTFE) composites filled with CF (carbon fiber) and MoS 2 (molybdenum disulfide) were prepared by cold-pressing sintering. The tensile strength and elongation at the breakpoint of the samples were measured with a bench-top tensile machine, friction and wear performance were tested with an abrasion machine, and the morphology and microscopic structure were analysed by SEM. The results show that the tensile strength, the elongation at breakage, and the wear resistance were all improved after filling compared to the pure PTFE. The CF/MoS 2 /PTFE composites filled with CF (particle size 7.498 μm) had the optimal tensile strength and elongation at the breakpoint. Correspondingly, the wear rate was the smallest when the particle size was 23.733 μm.
Editor: Abingdon: Taylor & Francis
Idioma: Inglês;Francês;Alemão

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