The stress corrosion cracking of welded austenitic stainless steels in MgCl2 solutions in the presence of NaI additions |
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| Authors: | D. Itzhak D. Eliezer |
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| Affiliation: | Materials Engineering Department, Ben-Gurion University of the Negev, Beer-Sheva, Israel |
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| Abstract: | The influence of Nal additions on the stress corrosion cracking (SCC) of Type 304L and 316L welded stainless steels in 42 wt% aqueous MgCl2 solution at 154°C has been investigated. The results indicate clearly that addition of 1 N NaI to the boiling MgCl2 solution prevents SCC of the welded steels. The I− can act as an effective cathodic inhibitor. The correlation between mechanical properties, fracture morphology and the mechanism of the inhibition behaviour of I− on SCC is discussed. |
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