Preparation of PTFE composites filled by BaSO4

Mei Ping Ding; Yu Sheng Tang; Jing Dang; Kai Chang Kou; Jun Wei Gu

Preparation of PTFE composites filled by BaSO₄

Mei Ping Ding, Yu Sheng Tang, Jing Dang, Kai Chang Kou, Jun Wei Gu

School of Chemistry and Chemical Engineering

Northwestern Polytechnical University Xian

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

Abstract

A method of combining cold molding with sintering was adopted to prepare BaSO₄/PTFE composites. The influences of BaSO₄ particles with different contents and granular size on the properties of the BaSO₄/PTFE composites were investigated. The results show that the contents and granular size of BaSO₄ particles greatly influence on the properties of the composites. The wear resistance ability of composites is optimal, and the corresponding wear weight loss of the composite is about 100 times lower than the nature PTFE, when the size of BaSO₄ is 44 μm and the mass fraction of BaSO₄ is 40%. The SEM analysis of wear surface indicates that the wear mechanisms of composites change from main adhesion wear to abrasive wear with possible fatigue wear, with the increase of fraction of BaSO₄ particles.

Original language	English
Pages (from-to)	130-133
Number of pages	4
Journal	Gaofenzi Cailiao Kexue Yu Gongcheng/Polymeric Materials Science and Engineering
Volume	25
Issue number	3
State	Published - Mar 2009

Keywords

BaSO
Composites
Polytetrafluoroethylene (PTFE)
Wear

Cite this

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title = "Preparation of PTFE composites filled by BaSO4",

abstract = "A method of combining cold molding with sintering was adopted to prepare BaSO4/PTFE composites. The influences of BaSO4 particles with different contents and granular size on the properties of the BaSO4/PTFE composites were investigated. The results show that the contents and granular size of BaSO4 particles greatly influence on the properties of the composites. The wear resistance ability of composites is optimal, and the corresponding wear weight loss of the composite is about 100 times lower than the nature PTFE, when the size of BaSO4 is 44 μm and the mass fraction of BaSO4 is 40%. The SEM analysis of wear surface indicates that the wear mechanisms of composites change from main adhesion wear to abrasive wear with possible fatigue wear, with the increase of fraction of BaSO4 particles.",

keywords = "BaSO, Composites, Polytetrafluoroethylene (PTFE), Wear",

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T1 - Preparation of PTFE composites filled by BaSO4

AU - Ding, Mei Ping

AU - Tang, Yu Sheng

AU - Dang, Jing

AU - Kou, Kai Chang

AU - Gu, Jun Wei

PY - 2009/3

Y1 - 2009/3

N2 - A method of combining cold molding with sintering was adopted to prepare BaSO4/PTFE composites. The influences of BaSO4 particles with different contents and granular size on the properties of the BaSO4/PTFE composites were investigated. The results show that the contents and granular size of BaSO4 particles greatly influence on the properties of the composites. The wear resistance ability of composites is optimal, and the corresponding wear weight loss of the composite is about 100 times lower than the nature PTFE, when the size of BaSO4 is 44 μm and the mass fraction of BaSO4 is 40%. The SEM analysis of wear surface indicates that the wear mechanisms of composites change from main adhesion wear to abrasive wear with possible fatigue wear, with the increase of fraction of BaSO4 particles.

AB - A method of combining cold molding with sintering was adopted to prepare BaSO4/PTFE composites. The influences of BaSO4 particles with different contents and granular size on the properties of the BaSO4/PTFE composites were investigated. The results show that the contents and granular size of BaSO4 particles greatly influence on the properties of the composites. The wear resistance ability of composites is optimal, and the corresponding wear weight loss of the composite is about 100 times lower than the nature PTFE, when the size of BaSO4 is 44 μm and the mass fraction of BaSO4 is 40%. The SEM analysis of wear surface indicates that the wear mechanisms of composites change from main adhesion wear to abrasive wear with possible fatigue wear, with the increase of fraction of BaSO4 particles.

KW - BaSO

KW - Composites

KW - Polytetrafluoroethylene (PTFE)

KW - Wear

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JF - Gaofenzi Cailiao Kexue Yu Gongcheng/Polymeric Materials Science and Engineering

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Preparation of PTFE composites filled by BaSO₄

Abstract

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