关闯,李建国,李俊,谭宁

• 1:上海交通大学材料科学与工程学院
• 2:宝钢研究院汽车用钢研究所

摘要(Abstract)：

以MRT-4CA热轧板为例,通过金相分析及XRD等分析方法,考察了不同冷轧压下量时,氧化皮随基体的变形情况,及试样在750℃、10%H2还原气氛下保温180 s后氧化皮的还原情况。结果表明:MRT-4CA热轧板直接冷轧后,氧化皮可随热轧基底一同变形,冷轧产生大量裂纹提升了氧化皮的还原效率;XRD测试表明还原后试样表面的主要成分为Fe与FeO;压下量为55%时质量损失率最高(为0.107%),压下量进一步增加,质量损失率反而有所下降。

关键词(KeyWords)： 免酸洗;氢气还原;冷轧;氧化皮

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 关闯,李建国,李俊,谭宁

DOI: 10.13289/j.issn.1009-6264.2012.07.014

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