Comments on the "Stress corrosion cracking of zirconium and zircaloy-4 in halide aqueous solutions" by S.B. Farina, G.S. Duffo, J.R. Galvele

Research output: Contribution to journalComment/debate

6 Scopus citations

Abstract

The above paper [Corros. Sci. 45 (2003) 2497] declares a general approach to describing stress corrosion cracking (SCC) mechanism and despite of the criticism of the so-called "surface mobility mechanism" (SMM) e.g., [Corros. Sci. 36 (1994) 669, Corros. Sci. 45 (2003) 2105]. The paper [Corros. Sci. 45 (2003) 2497] demonstrates inner contradictions and mutually excluding statements of SMM when fitted calculated and measured values of crack propagation rate. As shown in these Comments, the crack propagation rate calculated using SMM is only the Nabarro-Herring creep deformation rate, which can never be numerically equal to the crack propagation rate. Thus, tests undertaken by the author of SMM cannot be accepted as experimental evidence of the SMM.

Original languageEnglish
Pages (from-to)1801-1806
Number of pages6
JournalCorrosion Science
Volume46
Issue number7
DOIs
StatePublished - 1 Jan 2004

Keywords

  • C. Effects of strain
  • C. Interfaces
  • C. Stress corrosion

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