Chemical potential, diffusion and stress-common confusions in nomenclature and units

Research output: Contribution to journalArticlepeer-review

Abstract

Some confusion exists in the literature between different nomenclatures and units related to the equations of chemical potential, Einstein's relation, mobility, Fick's laws, and stress-assisted diffusion. Moreover, sometimes these concepts are simplified and important parameters are overlooked in textbooks, thus providing students with insufficient knowledge. This paper is aimed at gathering the most important equations, nomenclature and units in a systematic way. A critical discussion is made on the issues that tend to introduce confusion.

Original languageEnglish
Pages (from-to)87-103
Number of pages17
JournalCorrosion Reviews
Volume26
Issue number2
DOIs
StatePublished - 2008

Keywords

  • Diffusion
  • Effects of stress
  • Kinetic parameters
  • Potential parameters

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