.... The localization of dissolution in grain boundary regions is due to the presence of segregates or precipitates, but there is need of appropriate measurements in this area if some the details of the mechanism of cracking are to be fully understood. Ferritic steels intergranular corrosion intergranular stress...

... were polished with 240 grit silicon carbide paper. Microstructural Evaluation Samples for precipitate analysis were polished through 3 μm diamond and swab etched with a solution consisting of 45% H₂O, 45% HNO₃ and 10% HF. The samples were examined in a scanning electron...