304不锈钢在室温HCl+NaCl溶液中可发生活化态下的应力腐蚀开裂(SCC).XPS成分分析表明:在酸性氯化物溶液中,试样表面形成了一层富铬的吸附产物膜,应力腐蚀裂纹的形核与这层膜的形成和Cl一局部富集有关.
Austenitic 304SS is susceptive to SCC in acidic chloride solutions at ambient tem-perature.A layer of adsorptive product rich in Cr was formed on the metal surface in the solutions,which plays a certain protective role for the base metal. The nucleation o
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