Phenomenological Model Describing the Formation of Peeling Defects on Hot-Rolled Duplex Stainless Steel 2205


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The chemical composition, morphology, and microstructure of peeling defects formed on the surface of sheets from steel 2205 under hot rolling are studied. The microstructure of the surface is analyzed using scanning electron and light microscopy. The zones affected are shown to contain nonmetallic inclusions of types Al2O3 and CaO – SiO2 – Al2O3 – MgO in the form of streak precipitates and to have an unfavorable content of austenite, which causes decrease in the ductility of the area. The results obtained are used to derive a five-stage phenomenological model of formation of such defects.

作者简介

Zhang Yong-jun

School of Materials Science and Engineering, University of Science and Technology of Beijing

编辑信件的主要联系方式.
Email: zhangyj@mater.ustb.edu.cn
中国, Beijing

Zhang Hui

School of Materials Science and Engineering, University of Science and Technology of Beijing

Email: zhangyj@mater.ustb.edu.cn
中国, Beijing

Han Jing-tao

School of Materials Science and Engineering, University of Science and Technology of Beijing

Email: zhangyj@mater.ustb.edu.cn
中国, Beijing

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