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The general and localized corrosion performance of AISI 303 stainless steel (SS) has been investigated. The material was either in its conventional form or produced from rapidly solidified powder. The rapidly solidified alloy exhibited markedly improved general corrosion resistance compared to the conventional alloy of the same composition. In pitting studies, it was found that the sulfide inclusions in the rapidly solidified alloy were too small to successfully initiate pits, although some powder processing defects were thought to be responsible for the occurrence of isolated pits.
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Searson et al. (1986) studied this question.
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