Effect of phosphorus on the microstructure and mechanical properties of strip cast carbon steel

被引：0
|
作者：
Li, Na [1 ]
Liu, Zhen-yu [2 ]
Zhou, Guo-ping [2 ]
Liu, Xiang-hua [2 ]
Wang, Guo-dong [2 ]
机构：
[1] Univ Sci & Technol Liaoning, Sch Met & Mat, Anshan 114051, Peoples R China
[2] Northeast Univ, State Key Lab Rolling & Automat, Shenyang 110819, Peoples R China
来源：
INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS | 2010年 / 17卷 / 04期
关键词：
phosphorus; strip cast; segregation; mushy zone; mechanical properties; SOLIDIFICATION STRUCTURE;
D O I：
10.1007/s12613-010-0334-4
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Carbon steel strips with different phosphorus and carbon contents were produced by using the twin roll strip casting process. Fine grains and dendrite structure were observed in high-P steels. Negative phosphorus segregation was found in strip cast high-P and high-C steels. For the steels with different carbon contents, phosphorus distribution in the thickness direction of the strip is obviously different. This is because solutes are redistributed in the melting pool and the phosphorus segregation rate is associated with the length of the mushy zone and the phosphorus solubility in different phases. Phosphorus as a solute in ferrite can lead to the higher hardness and strength with lower plastic propertyies.
引用
收藏
页码：417 / 422
页数：6
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