李舒笳,罗志俊,陈涛,王丽萍,王猛

• 1:首钢技术研究院

摘要(Abstract)：

采用扫描电镜(SEM)、背散射电子成像(BSE)的方法,研究了Fe_2SiO_4相析出行为对焊线钢丝表面镀铜的影响。结果表明:在工业加热炉气氛(残氧≤2.5%)条件下,形成的液态Fe_2SiO_4相酸洗难以去除,且在高线多道次轧制及用户多道次拉拔后具有遗传性,是镀铜层呈现暗灰色或黑色的原因。在试验钢Si含量为0.9 mass%的条件下,在温度≤1150℃时,Si元素对氧化有阻碍作用;在温度>1150℃时,Fe2Si O4相熔化成为氧、铁离子的快速扩散通道,与FeO呈相互包裹状态成为酸洗难以去除的FeO-Fe_2SiO_4相。

关键词(KeyWords)： 焊线钢;Fe2SiO4相析出;镀铜;遗传性

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 李舒笳,罗志俊,陈涛,王丽萍,王猛

DOI: 10.13289/j.issn.1009-6264.2016.08.032

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