研究了Cr13马氏体不锈钢在盐酸喷射条件下腐蚀形貌的局部差异.结果表明,射流与样品表面接触中心区域产生圆状点蚀坑、中心区的四周形成放射性分布的彗星状腐蚀沟槽;随腐蚀时间延长,蚀坑和沟槽密度增加;彗星状腐蚀沟槽由点点蚀坑和尾部的沟槽组成;点蚀坑起源于MnS夹杂处,彗星尾部沟槽主要发生在马氏体区,而δ铁素体区没有明显腐蚀.
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