On the Activation Energy in the Chemical-Mechanical Correlation Model

X. C. Jiang, R. W. Staehle

Research output: Contribution to journalArticlepeer-review

8 Scopus citations


The assumption that the Qc in the chemical-mechanical correlation model is the creep activation energy was verified. Verification was carried out by deriving values of Qc from stress corrosion cracking (SCC) for various materials and comparing these values with creep activation energies (Qcreep) obtained from creep tests and reported in the literature. Materials investigated included austenitic stainless steels (SS), nickel alloys, copper alloys, aluminum alloy, and silver chloride polycrystalline. Results showed a match between Qc and Qcreep for the materials investigated.

Original languageEnglish (US)
Pages (from-to)869-879
Number of pages11
JournalCorrosion (Houston)
Issue number11
StatePublished - Nov 1997


  • Activation energy
  • Aluminum
  • Austenitic stainless steel
  • Chemical-mechanical correlation model
  • Copper
  • Creep
  • Lattice self-diffusion
  • Modeling
  • Nickel
  • Silver chloride
  • Stress corrosion cracking


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