Analysis on Wear Phenomenon of Artificial Knee Joint Based on FEM and Mechanical Test

Yeo Kyung Kang, Mun Hee Kim, Jae Won Kim, Trinh Ngoc Tien, Do hyung Lim, Heoung Jae Chun

Research output: Contribution to journalArticle

Abstract

Fretting corrosion is studied to understand its influence on the structural integrity of osteosynthesis implants between contact areas of artificial joints. With the artificial knee joints becoming more important comes a growing concern that the friction corrosion at the interface of an artificial knee joint may cause the shortening of its life. This paper aims to analyze the wear phenomenon following the material characteristics on the structural integrity of osteosynthesis implants between the contact areas of artificial joints with fretting corrosion. A finite element analysis was conducted to confirm the stress concentration position at the contact area during load application. Concentrated stress occurred in the central part of the modular tibial tray and the augment joint. The modular artificial knee joints were threaded and subjected to loads up to 90 N to 900 N and 20 Hz frequency according to the fatigue test method of ASTM F1800-12 and ASTM F 1875–98. The fatigue test showed no visual fracture caused by the cyclic load on the contact portion after 10,000,000cycles. However, mechanically assisted corrosion is a serious concern for metallic biomaterials in all applications. Therefore, additional research on the surface morphology of the material is needed to determine the wear mechanism.

Original languageEnglish
Pages (from-to)1211-1217
Number of pages7
JournalInternational Journal of Precision Engineering and Manufacturing
Volume19
Issue number8
DOIs
Publication statusPublished - 2018 Aug 1
Externally publishedYes

Fingerprint

Fretting corrosion
Structural integrity
Wear of materials
Fatigue of materials
Corrosion
Finite element method
Cyclic loads
Biomaterials
Surface morphology
Stress concentration
Loads (forces)
Friction

Keywords

  • Augmentation
  • FEM analysis
  • Fretting corrosion
  • Knee implant
  • Tibial tray
  • Wear

ASJC Scopus subject areas

  • Mechanical Engineering
  • Industrial and Manufacturing Engineering
  • Electrical and Electronic Engineering

Cite this

Analysis on Wear Phenomenon of Artificial Knee Joint Based on FEM and Mechanical Test. / Kang, Yeo Kyung; Kim, Mun Hee; Kim, Jae Won; Tien, Trinh Ngoc; Lim, Do hyung; Chun, Heoung Jae.

In: International Journal of Precision Engineering and Manufacturing, Vol. 19, No. 8, 01.08.2018, p. 1211-1217.

Research output: Contribution to journalArticle

Kang, Yeo Kyung ; Kim, Mun Hee ; Kim, Jae Won ; Tien, Trinh Ngoc ; Lim, Do hyung ; Chun, Heoung Jae. / Analysis on Wear Phenomenon of Artificial Knee Joint Based on FEM and Mechanical Test. In: International Journal of Precision Engineering and Manufacturing. 2018 ; Vol. 19, No. 8. pp. 1211-1217.
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