Determination of Susceptibility to Intergranular Corrosion of UNS 31803 Type Duplex Stainless Steel by Electrochemical Reactivation Method: A Comparative Study
Figure 10
Optical micrographs after DLEPR test for sample aged at 800°C for 10000 min. (a) After slightly polished (large austenite in white, attacked regions in black, sigma: small white regions). (b) Electrolytically etched with NaOH (austenite in white, sigma in brown, attacked regions in black).
