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Mechanical and Tribological Properties of PTFE Composites Filled with Different Sizes of SiC

Liping Shi

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Abstract

The mechanical and tribological properties of PTFE composites filled with micron,nano-SiC and SiC fiber were tested.The effects of different size and content on the mechanical and tribological properties of PTFE composites were investigated.The tensile break surfaces were observed by a scanning electron microscope(SEM).The strengthen mechanism of the composites was investigated.The comparative study of PTFE composites filled with different sizes of SiC showed that the wear-resisting properties and hardness for composites were improved when different sizes of SiC were filled in.SiC fiber/PTFE composites had higher tensile strength and break elongation.Its integrated properties were the best.The micro-analysis of tensile fracture surface showed that it had a better bonding between SiC fiber and the PTFE matrix.Performance of PTFE composites was enhanced.

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What this paper is about

The mechanical and tribological properties of PTFE composites filled with micron,nano-SiC and SiC fiber were tested.The effects of different size and content on the mechanical and tribological properties of PTFE composites were investigated.The tensile break surfaces were observed by a scanning electron microscope(SEM).The strengthen mechanism of the composites was investigated.The comparative study of PTFE composites filled with different sizes of SiC showed that the wear-resisting properties and hardness for composites were improved when different sizes of SiC were filled in.SiC fiber/PTFE composites had higher tensile strength and break elongation.Its integrated properties were the best.The micro-analysis of tensile fracture surface showed that it had a better bonding between SiC fiber and the PTFE matrix.Performance of PTFE composites was enhanced.

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Available abstract

The mechanical and tribological properties of PTFE composites filled with micron,nano-SiC and SiC fiber were tested.The effects of different size and content on the mechanical and tribological properties of PTFE composites were investigated.The tensile break surfaces were observed by a scanning electron microscope(SEM).The strengthen mechanism of the composites was investigated.The comparative study of PTFE composites filled with different sizes of SiC showed that the wear-resisting properties and hardness for composites were improved when different sizes of SiC were filled in.SiC fiber/PTFE composites had higher tensile strength and break elongation.Its integrated properties were the best.The micro-analysis of tensile fracture surface showed that it had a better bonding between SiC fiber and the PTFE matrix.Performance of PTFE composites was enhanced.

Key concepts: Materials science, Composite material, Ultimate tensile strength, Scanning electron microscope, Tribology, Polytetrafluoroethylene, Fiber, Elongation

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Mechanical and Tribological Properties of PTFE Composites Filled with Different Sizes of SiC — Research Paper | ScholarLens