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author:

Lin, Y. (Lin, Y..) [1] | Gao, C. (Gao, C..) [2] | Li, Y. (Li, Y..) [3]

Indexed by:

Scopus PKU CSCD

Abstract:

The composite blocks of polyetheretherketone (PEEK) filled with different content of calcium carbonate (CaCO3) whisker and PTFE were prepared by compression molding. The friction and wear performance of PEEK composites were investigated under dry sliding condition against carbon steel on MM200 block-on-ring apparatus and compared with that of pure PEEK. The results show that the friction performance, wear resistance and limiting pressure-velocity (PV) value of PEEK composites are superior to that of pure PEEK. Inclusion of CaCO3 and PTFE significantly reduces the friction coefficient of composites by 2 times with excellent stability and the specific wear rate by 27 times to PEEK. CaCO3 whisker contributes to abate scuffing, adhesion and plastic deformation of the filled composites, while a thin, uniform and tenacious transfer film formed on the surface of steel ring due to inclusion of PTFE, which conforms to the better tribological behaviors of composites. The wear of filled PEEK composites consists of two major wear mechanisms viz. slight adhesion and fatigue.

Keyword:

CaCO3 whisker; Composites; Dry friction; PEEK; PTFE

Community:

  • [ 1 ] [Lin, Y.]College of Mechanical Engineering and Automation, Fuzhou University, Fuzhou 350002, China
  • [ 2 ] [Gao, C.]College of Mechanical Engineering and Automation, Fuzhou University, Fuzhou 350002, China
  • [ 3 ] [Li, Y.]College of Mechanical Engineering and Automation, Fuzhou University, Fuzhou 350002, China

Reprint 's Address:

  • [Lin, Y.]College of Mechanical Engineering and Automation, Fuzhou University, Fuzhou 350002, China

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Source :

Chinese Journal of Materials Research

ISSN: 1005-3093

Year: 2007

Issue: 6

Volume: 21

Page: 643-648

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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