Abstract
Abstract The present paper deals with the stress corrosion cracking (SCC) behavior of commercially pure (CP) titanium in solutions of iodine in different alcohols. Results obtained are similar to those previously observed for other hexagonal closed-packed (hcp) metals (zirconium and one of its alloys, Zircaloy-4). The higher the size of the alcohol molecule, the lower the SCC susceptibility. It was found that the existence of intergranular (IG) attack is a condition for the SCC process to occur. Titanium Grade 2 samples of different origins, with slightly different chemical compositions, showed significantly different SCC susceptibility. The effect of water as inhibitor of the SCC process in iodine alcoholic solutions was also determined.
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