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Predicting the steady state thickness of passive films with the Point Defect model in fretting corrosion experiments

  • J. Geringer
  • , M. L. Taylor
  • , B. Normand
  • , D. D. Macdonald

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The goal is to calculate the steady state thickness of the oxides layer in order to know whether metal is protected or not. Thus thanks to experiments of fretting-corrosion with a following by Electrochemical Impedance Spectroscopy, it was possible to use these data with the PDM and to reach the final goal: the prediction of the passive layer of the passive film. First of all, PDM was updated on the fretting process to yield the fretting Model. Thus after 100 minutes of fretting corrosion, the passive film is severely damaged from the modeling results by genetic algorithm. The increase of chlorides concentration allows the destruction of the passive films. However it has been showed that albumin does protect stainless steel against fretting-corrosion degradations. Modeling is in accordance with experiments where 0.1 M of NaCl is a threshold: wear volume was the highest and the steady state thickness the lowest.

Original languageEnglish
Title of host publicationCorrosion, Passivity, and Energy
Subtitle of host publicationA Symposium in Honor of Digby D. Macdonald
PublisherElectrochemical Society Inc.
Pages115-129
Number of pages15
Edition31
ISBN (Print)9781607684190
DOIs
StatePublished - 2013

Publication series

NameECS Transactions
Number31
Volume50
ISSN (Print)1938-5862
ISSN (Electronic)1938-6737

ASJC Scopus subject areas

  • General Engineering

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