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FRICTION AND WEAR PROPERTIES OF PTFE COMPOSITES FILLED WITH DIFFERENT MIX MATERIALS MADE OF NANOCRYSTALLINE AND GRAPHITE

Chunxia He

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Abstract

It is discussed that the friction and wear properties of polytetrafluoroethylene (PTFE) composites filled with different mix materials made of nanocrystalline and graphite. The friction and wear tests were carried out using MM200 wear tester. The worn surfaces of PTFE composites were examined by the scanning electric microscopy (SEM). It is found that the addition of nanocrystalline and graphite not only increases the wear resistance of PTFE, but also results in changing the friction coefficient of the material. The three materials have different properties of antiwear.The SiO2graphitePTFE has excellent tribology property. The raising of the wear load increases the wear mass loss of PTFE composites.

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What this paper is about

It is discussed that the friction and wear properties of polytetrafluoroethylene (PTFE) composites filled with different mix materials made of nanocrystalline and graphite. The friction and wear tests were carried out using MM200 wear tester. The worn surfaces of PTFE composites were examined by the scanning electric microscopy (SEM). It is found that the addition of nanocrystalline and graphite not only increases the wear resistance of PTFE, but also results in changing the friction coefficient of the material. The three materials have different properties of antiwear.The SiO2graphitePTFE has excellent tribology property. The raising of the wear load increases the wear mass loss of PTFE composites.

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Available abstract

It is discussed that the friction and wear properties of polytetrafluoroethylene (PTFE) composites filled with different mix materials made of nanocrystalline and graphite. The friction and wear tests were carried out using MM200 wear tester. The worn surfaces of PTFE composites were examined by the scanning electric microscopy (SEM). It is found that the addition of nanocrystalline and graphite not only increases the wear resistance of PTFE, but also results in changing the friction coefficient of the material. The three materials have different properties of antiwear.The SiO2graphitePTFE has excellent tribology property. The raising of the wear load increases the wear mass loss of PTFE composites.

Key concepts: Materials science, Nanocrystalline material, Composite material, Graphite, Polytetrafluoroethylene, Tribology, Scanning electron microscope, Nanotechnology

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FRICTION AND WEAR PROPERTIES OF PTFE COMPOSITES FILLED WITH DIFFERENT MIX MATERIALS MADE OF NANOCRYSTALLINE AND GRAPHITE — Research Paper | ScholarLens