Research on Nonmetallic Inclusions of Drawable Cold Sheets Rolled With Compact Strip Production Hot Strips

被引:0
|
作者
Xu Guang [1 ]
Yi Hong-wu [1 ]
Gan Xiao-long [1 ]
Zhang Cong [1 ]
Luo Feng [1 ]
机构
[1] Wuhan Univ Sci & Technol, Minist Educ, Key Lab Ferrous Met & Resources Utilizat, Wuhan 430081, Peoples R China
关键词
nonmetallic inclusions; cold sheets; complex inclusions; CSP hot strips; CLEAN STEELS; SIZE;
D O I
暂无
中图分类号
TF [冶金工业];
学科分类号
0806 ;
摘要
The nonmetallic inclusions were studied for drawable quality (CQ) cold sheets and deep drawable quality (DDQ) cold sheets rolled with compact strip production (CSP) hot strips. The distribution and morphology of nonmetallic inclusions were investigated. The results revealed that DQ cold sheets contain more nonmetallic inclusions than DDQ cold sheets. The complex inclusions of larger size exist in DQ products, whereas DDQ sheets contain only fine globular oxide inclusions of small size. Moreover, complex inclusion of larger size is a major factor influencing the drawing property of DQ cold sheets. Therefore, it is necessary to control chemical composition of steel during refining in the production of DQ cold sheets with CSP hot strips in order to improve the drawing property.
引用
收藏
页码:307 / 311
页数:5
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