The stress corrosion cracking (SCC) susceptibility of cold worked stainless steels in 288 C water containing a slight amount of chloride ion was studied by creviced bent beam (CBB) test. The SCC susceptibility tends to increase with cold work ratio. The relationship between the SCC susceptibility and mechanical property was examined, and «it was clarified that SCC occurred above a certain hardness. The polarization curves of cold worked stainless steel were measured in 5% sulfuric acid at 30 C, and it was recognized that the current density of passive region increased with a cold work ratio.

Subject
Steel structures, Water, Materials, Polarization curves, Crack depth, Maximum hardness, Current densities, Stainless steel, Hardness, Stress corrosion cracking, Martensite, Chloride stress corrosion cracking, High temperature
Keywords:
stress corrosion cracking, stainless steel, cold work, hardness, high temperature water, polarization
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1994
Association for Materials Protection and Performance (AMPP)
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