安恺,周一林,朱大军,安玉良.冷轧带钢表面氧化色膜层分析及成因研究[J].表面技术,2015,44(8):120-125.
AN Kai,ZHOU Yi-lin,ZHU Da-jun,AN Yu-liang.Analysis and Cause Study on the Oxidation Color Film on the Surface of Cold Rolled Strip Steel[J].Surface Technology,2015,44(8):120-125
冷轧带钢表面氧化色膜层分析及成因研究
Analysis and Cause Study on the Oxidation Color Film on the Surface of Cold Rolled Strip Steel
投稿时间:2015-06-11  修订日期:2015-08-20
DOI:10.16490/j.cnki.issn.1001-3660.2015.08.022
中文关键词:  冷轧带钢  氧化色  XPS  出炉温度  物相分析  耐蚀性能
英文关键词:cold rolled strip  oxidation color  XPS  tapping temperature  phase analysis  corrosion resistance
基金项目:
作者单位
安恺 沈阳理工大学 环境与化学工程学院, 沈阳 110159 
周一林 攀枝花钢钒有限公司冷轧厂,四川 攀枝花 617000 
朱大军 攀枝花钢钒有限公司冷轧厂,四川 攀枝花 617000 
安玉良 沈阳理工大学 材料科学与工程学院, 沈阳 110159 
AuthorInstitution
AN Kai School of Environmental and Chemical Engineering, Shenyang Ligong University, Shenyang 110159, China 
ZHOU Yi-lin Panzhihua Steel and Vanadium Co. Ltd, Panzhihua 617000, China 
ZHU Da-jun Panzhihua Steel and Vanadium Co. Ltd, Panzhihua 617000, China 
AN Yu-liang School of Material Science and Engineering, Shenyang Ligong University, Shenyang 110159, China 
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中文摘要:
      目的 分析冷轧带钢表面氧化色缺陷的成分,分析氧化色形成的原因,研究减少氧化色的方法途径。 方法 通过实验室模拟现场退火实验,研究不同材料在不同出炉温度下对带钢表面氧化色的影响;采用 X 射线光电子能谱、场发射扫描电镜,对不同方式产生的氧化色进行微观形貌观察和元素分析,使用 X 射线衍射仪对氧化色进行物相分析。 结果 出炉温度是影响带钢退火后形成黄色氧化色的主要条件。 实验室退火实验与生产现场生成的氧化色相同,氧化膜为黄色,由 O,Mn,Fe,C 等 4 种元素组成,主要是铁和锰的氧化物,膜层的厚度较薄约为 50 nm,局部表面存在明显的 Mn 元素富集。 结论 带钢表面氧化色缺陷由氧化物组成,具有氧化色缺陷敏感性的冷轧带钢在罩式炉退火中,局部表面产生了易氧化元素 Mn 的富集;当出炉温度较高时,Mn 元素优先被氧化形成了与正常板面不同的氧化色缺陷,氧化色的耐蚀性低于正常板面。 降低出炉温度可有效减少氧化色的形成。
英文摘要:
      Objective To analyze the composition of the oxidation color defects on the surface of cold rolled steel strip, and study the causes for the formation of oxidation color, then find the way to reduce oxidation color. Methods By simulating the annealing experiment in laboratory, we studied the influence of different materials at different tapping temperature on the oxidation color on the surface of cold rolled steel strip. By using Photoelectron Spectroscopy and field emission scanning electron microscopy, we analyzed the microstructure and elementary composition of the oxidation color produced in different ways. By using X-ray diffractometer, we conducted phase analysis for oxidation color. Results The results showed that the tapping temperature was the main factor for producing yellow oxidation color after strip annealing. The yellow oxide produced in the simulated annealing experiment was the same with that in the production field. The yellow oxide film was composed of four elements: O, Mn, Fe, C. The main compositions were iron and manganese oxides. The film was thin, and the thickness was about 50 nm. There was obvious enrichment of manganese element on some local surface. Conclusion The oxide formed oxidation color on the surface of cold rolled strip. In the process of annealing, manganese element enriched in sensitive position. When the tapping temperature was high, the Mn element was oxidized with priority and formed the oxidation color defect which had different color from that of the normal board. The corrosion resistance of oxidation color was lower than that of the normal board. Decreasing the tapping temperature could effectively reduce the formation of oxidation color.
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