Effects of filler crystal structure and shape on the tribological properties of PTFE composites

Y. J. Shi; X. Feng; H. Y. Wang; C. Liu; X. H. Lu

doi:10.1016/j.triboint.2006.12.006

Effects of filler crystal structure and shape on the tribological properties of PTFE composites

Y. J. Shi, X. Feng, H. Y. Wang, C. Liu, X. H. Lu

College of Chemical Engineering

Nanjing Tech University

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

79 Scopus citations

Abstract

In this paper, effects of filler crystal structure and shape on the friction and wear properties of potassium titanate whisker (K₂Ti₄O₉ whisker, K₂Ti₆O₁₃ whisker), TiO₂ whisker and TiO₂ particle filled polytetrafluoroethylene (PTFE) composites under dry friction conditions were studied. Meanwhile the influence of filler content, sliding duration, test speed and load were also investigated. Experimental results show that the friction coefficients of various PTFE-based composites are weakly dependent on filler shape but they are more strongly dependent on filler crystal structure. However, for improving the anti-wear property of PTFE, filler crystal structure has less importance than filler shape in the wear-reducing action of PTFE-based composites, and whisker-like filler is better than particle-like filler.

Original language	English
Pages (from-to)	1195-1203
Number of pages	9
Journal	Tribology International
Volume	40
Issue number	7
DOIs	https://doi.org/10.1016/j.triboint.2006.12.006
State	Published - Jul 2007

Keywords

Crystal structure
Friction and wear
PTFE composite
Shape

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10.1016/j.triboint.2006.12.006

Cite this

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title = "Effects of filler crystal structure and shape on the tribological properties of PTFE composites",

abstract = "In this paper, effects of filler crystal structure and shape on the friction and wear properties of potassium titanate whisker (K2Ti4O9 whisker, K2Ti6O13 whisker), TiO2 whisker and TiO2 particle filled polytetrafluoroethylene (PTFE) composites under dry friction conditions were studied. Meanwhile the influence of filler content, sliding duration, test speed and load were also investigated. Experimental results show that the friction coefficients of various PTFE-based composites are weakly dependent on filler shape but they are more strongly dependent on filler crystal structure. However, for improving the anti-wear property of PTFE, filler crystal structure has less importance than filler shape in the wear-reducing action of PTFE-based composites, and whisker-like filler is better than particle-like filler.",

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AU - Shi, Y. J.

AU - Feng, X.

AU - Wang, H. Y.

AU - Liu, C.

AU - Lu, X. H.

PY - 2007/7

Y1 - 2007/7

N2 - In this paper, effects of filler crystal structure and shape on the friction and wear properties of potassium titanate whisker (K2Ti4O9 whisker, K2Ti6O13 whisker), TiO2 whisker and TiO2 particle filled polytetrafluoroethylene (PTFE) composites under dry friction conditions were studied. Meanwhile the influence of filler content, sliding duration, test speed and load were also investigated. Experimental results show that the friction coefficients of various PTFE-based composites are weakly dependent on filler shape but they are more strongly dependent on filler crystal structure. However, for improving the anti-wear property of PTFE, filler crystal structure has less importance than filler shape in the wear-reducing action of PTFE-based composites, and whisker-like filler is better than particle-like filler.

AB - In this paper, effects of filler crystal structure and shape on the friction and wear properties of potassium titanate whisker (K2Ti4O9 whisker, K2Ti6O13 whisker), TiO2 whisker and TiO2 particle filled polytetrafluoroethylene (PTFE) composites under dry friction conditions were studied. Meanwhile the influence of filler content, sliding duration, test speed and load were also investigated. Experimental results show that the friction coefficients of various PTFE-based composites are weakly dependent on filler shape but they are more strongly dependent on filler crystal structure. However, for improving the anti-wear property of PTFE, filler crystal structure has less importance than filler shape in the wear-reducing action of PTFE-based composites, and whisker-like filler is better than particle-like filler.

KW - Crystal structure

KW - Friction and wear

KW - PTFE composite

KW - Shape

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DO - 10.1016/j.triboint.2006.12.006

M3 - 文章

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SN - 0301-679X

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SP - 1195

EP - 1203

JO - Tribology International

JF - Tribology International

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Effects of filler crystal structure and shape on the tribological properties of PTFE composites

Abstract

Keywords

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