The Influence of Stress on Interstitial Diffusion - Carbon Diffusion Data in Austenite Revisited

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Abstract

The present paper addresses the influence of chemical induced stresses on diffusion in interstitial systems. This is exemplified by simulations of carbon diffusion in austenite at high temperatures and it is shown that old well established literature data is flawed by the occurrence of composition induced stress. For the technological relevant system of expanded austenite the diffusion can be dramatically affected by composition induced stress.
Original languageEnglish
JournalDefect and Diffusion Forum
Volume297-301
Pages (from-to)1408-1413
ISSN1012-0386
DOIs
Publication statusPublished - 2010

Keywords

  • diffusion coefficient
  • expanded austenite
  • carbon
  • stress
  • Fe-austenite

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