Paper Title:
Influence of Radial Load on PEEK Plastic Bearings Life Cycle
  Abstract

Nowadays, due to strict environmental requirements, the automotive industry has been reducing vehicle weight in order to minimize the CO2 emission. This had led to an increase in the demand for plastic car parts as a replacement for formerly metal components. Poly ether-ether-ketone (PEEK) has a high glass transition temperature of 143°C, good friction and heat resistance, and can be easily machined. Due to these characteristics, PEEK is already being widely applied in the production of various car parts, such as seat adjustment parts, transmission parts, oil-pump parts etc. In the present study, PEEK bearings were produced by machining and their rolling contact fatigue (RCF) under non-lubricated conditions was investigated. Under high radial load, seizure in the inner bearing part occurred while under low radial load, there was failure by adhesive wear. Exposed to medium load between 85.6N and 93.1N, however, the bearings achieved relatively long lives of over 1.0x10E6 cycles, as well as a unique feature of self-lubrication that rid the raceway of micro depressions, deposits or smearing.

  Info
Periodical
Advanced Materials Research (Volumes 154-155)
Edited by
Zhengyi Jiang, Xianghua Liu and Jinglong Bu
Pages
1288-1291
DOI
10.4028/www.scientific.net/AMR.154-155.1288
Citation
H. Koike, T. Honda, K. Kida, E. C. Santos, Y. Kashima, K. Kanemasu, "Influence of Radial Load on PEEK Plastic Bearings Life Cycle", Advanced Materials Research, Vols. 154-155, pp. 1288-1291, 2011
Online since
October 2010
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$32.00
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