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liu hua wu jia za dui 16mncu gang hai shui ju bu fu shi de ying xiang
Author(s): 
Pages: 54-59
Year: Issue:  3
Journal: Research on Iron and Steel

Keyword:  局部腐蚀硫化物夹杂腐蚀产物钢中硫化物海水阳极极化曲线氧浓差腐蚀催化效应电流密度显微腐蚀;
Abstract: <正> 碳钢及低合金钢在海水中由局部腐蚀引起的危害较均匀腐蚀严重得多,因而研究海洋用钢产生局部腐蚀的原因及其防止方法已日益受到重视。钢在海水中产生局部腐蚀的因素较为复杂,有钢质内部的因素,如合金成份、夹杂物……也有环境条件的影响,如附着生物、泥沙及腐蚀产物等各种能使钢材表面透氧不均匀的因素。钢中硫化物夹杂最为常见,这是因为硫在钢中固溶度很小,当钢液凝固时,其中硫多以金属硫化物的形式沉淀出来。硫化物夹杂对钢材的大气腐蚀、酸腐蚀及应力腐蚀破
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