Abstract:The intergranular corrosion (IGC) susceptibility of the Ti-Nb-stabilised ultra-pure 430LX FSSs with 0-0.47 wt-% tin addition was investigated using double loop electrochemical potentiokinetic reactivation (DL-EPR) and oxalic acid etch tests. The result of DL-EPR test reveals that IGC resistance increases with the increase in tin content. The specimens with different contents of tin exhibit the same microstructural evolution based on oxalic acid etch test. M 23 C 6 precipitates form along grain boundaries, indu… Show more
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