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Journal of Failure Analysis and Prevention

, Volume 19, Issue 1, pp 245–249 | Cite as

Failure Mechanism of Polytetrafluoroethylene Under Friction Fatigue

  • Quazi Md. Zobaer ShahEmail author
  • Mohammad Asaduzzaman Chowdhury
  • Md. Arefin Kowser
Technical Article---Peer-Reviewed
  • 30 Downloads

Abstract

Being a semicrystalline polymer, polytetrafluoroethylene (PTFE) has been used in sophisticated applications as biological implants where mechanical properties like low coefficient of friction, resistance to corrosion, and biocompatibility are the major concerns. However, these substitutes should own longevity for continuous working against cyclic loading conditions. In this study, friction effect on the fatigue life of PTFE has been observed through experimental and numerical analysis. Asymptotic behavior of penetration depth relation with fatigue life suggests consideration on friction fatigue. Conditional load application on rotating specimen showed that, while being used as substrate under cyclic loading, shape optimization should be considered as design factor.

Keywords

Fatigue Bending Fracture ANSYS 

Notes

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Copyright information

© ASM International 2019

Authors and Affiliations

  • Quazi Md. Zobaer Shah
    • 1
    Email author
  • Mohammad Asaduzzaman Chowdhury
    • 1
  • Md. Arefin Kowser
    • 1
  1. 1.Dhaka University of Engineering & Technology, DUET, GazipurDhakaBangladesh

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