Effect of Fluid Flow on the Stress Corrosion Cracking of AISI 304 Stainless Steel in Pure Water and 0.01 N Na2CO4Solutions Differing in pH
- 1 May 1987
- journal article
- Published by Association for Materials Protection and Performance (AMPP) in Corrosion
- Vol. 43 (5) , 286-290
- https://doi.org/10.5006/1.3583150
Abstract
The effect of fluid flow on stress corrosion cracking of sensitized AISI 304 stainless steel was studied in air-saturated pure water and in air-saturated acidified and alkaline 0.01 M Na2SO4 solutions under open circuit conditions at 250 C, using slow strain rate tensile tests. It was found that in pure water and in acidified sodium sulfate solution the time to failure increased with increasing fluid flow velocity. However, in alkaline solution the time to failure was not affected by the fluid flow. The AC impedance measurements showed that with increasing fluid flow velocity the protective properties of the oxide film improved in both the neutral and acidified Na2SO4 solutions but not in the alkaline Na2SO4 solution.Keywords
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