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Environmental aspects of stress corrosion crack growth in austenitic stainless steel
Author(s) -
Eremi B.,
Maričev V. A.
Publication year - 1979
Publication title -
materials and corrosion
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.487
H-Index - 55
eISSN - 1521-4176
pISSN - 0947-5117
DOI - 10.1002/maco.19790300805
Subject(s) - corrosion , materials science , stress (linguistics) , metallurgy , austenite , austenitic stainless steel , intensity (physics) , growth rate , stress intensity factor , composite material , fracture mechanics , microstructure , linguistics , physics , geometry , mathematics , quantum mechanics , philosophy
Stress corrosion crack velocity and stress corrosion threshold stress intensity have been measured for 18Cr–10Ni–0,5Ti stainless steel in relation to environmental variations. These studies showed that both stage I and stage II growth rate dependence on K are influenced by environmental variations. The chemical composition of the solution being tested, the corrosion‐active components concentration and temperature that influence corrosion kinetics, all influence SCC susceptibility through their effects on overall film stability and localisation of corrosion. The influence of environmental factors on protective film stability was suggested to be an explanation for different values of stress corrosion threshold stress intensity found for different test conditions.