Electrochemical approch to the development of a simulating physiological environment for strength evaluation of hard tissue replacement materials

Byungjun Lee, Jun Komotori, Masao Shimizu

Research output: Contribution to journalArticlepeer-review

Abstract

In this paper, corrosion damage in the modular femoral hip prosthesis which is retrieved from the physiological environment for 58 months after insertion, has been analyzed with the parameter of the square root of projected area of corrosion pit from the view point of fracture mechanics. The effects of the pitting damage on fatigue properties of Ti-6A1-4V alloy was discussed based on the previous experimental result. Accelerated laboratory corrosion testing method which simulates the physiological corrosion environment has been developed on the basis of the results of corrosion test in simulated environment with Ti-6A1-4V alloy. The empirical formula which represents the relationship of applied current, corrosion time and maximum size of corrosion pit (area max) has been proposed.

Original languageEnglish
Pages (from-to)2005-2011
Number of pages7
JournalNihon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
Volume64
Issue number623
DOIs
Publication statusPublished - 1998
Externally publishedYes

Keywords

  • Accelerated laboratory corrosion test
  • Biomaterials
  • Corrosion
  • Electrochemistry
  • Modular femoral hip prosthesis
  • Pitting damage
  • Simulating physiological environment

ASJC Scopus subject areas

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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