薄板坯连铸连轧工艺生产的低碳钢冷轧基板力学特性

吉林大学学报(工学版) ›› 2012, Vol. 42 ›› Issue (增刊1): 221-224.

薄板坯连铸连轧工艺生产的低碳钢冷轧基板力学特性

王素芬^1,2, 彭艳^1,2, 李志杰^1,2, 肖力子²

1. 燕山大学亚稳材料制备技术与科学国家重点实验室,河北秦皇岛 066004;
2. 燕山大学国家冷轧板带装备及工艺工程技术研究中心,河北秦皇岛 066004

收稿日期:2012-03-04 出版日期:2012-09-01 发布日期:2012-09-01
通讯作者: 彭艳(1971-),男,教授.研究方向:金属塑性变形与材料组织性能控制.E-mail:pengyan@ysu.edu.cn E-mail:pengyan@ysu.edu.cn
作者简介:王素芬(1982-),女,博士研究生.研究方向:金属塑性变形与材料组织性能控制.E-mail:wangsufen09@163.com
基金资助:
教育部新世纪优秀人才支持计划项目(NCET-09-0117);国家科技支撑计划项目(2011BAF15B01);河北省杰出青年科学基金项目(E2011203002).

Cold rolling mechanical characteristics of low carbon base plate produced by compact strip production

WANG Su-fen^1,2, PENG Yan^1,2, LI Zhi-jie^1,2, XIAO Li-zi²

1. State Key Laboratory of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao 066004, China;
2. National Engineering Research Center for Equipment and Technology of Cold Rolling Strip, Yanshan University, Qinhuangdao 066004, China

Received:2012-03-04 Online:2012-09-01 Published:2012-09-01

摘要/Abstract

摘要： 以采用薄板坯连铸连轧工艺生产的低碳钢作为冷轧基板,在实验室二辊可逆轧机上进行不同程度的冷变形,对不同变形后的冷轧板进行室温拉伸试验和显微硬度值测定,分析了其加工硬化情况,并对不同冷变形后试验钢的显微组织进行分析。结果表明:低碳钢经冷变形后,屈服强度和抗拉强度增大,加工硬化显著;试验钢的显微组织为铁素体和少量的珠光体,晶粒随着变形量的增大而拉长细化。

关键词: 金属材料, 薄板坯连铸连轧, 低碳钢, 冷变形, 加工硬化, 显微组织

Abstract: With cold rolling base plate of low carbon steel by compact strip production(CSP) process, the cold deformation experiments were carried out by the two-roller reverse-mill in our laboratory. The work-hardening conditions of cold rolling base plate with different deformations were studied through the room temperature tensile test and microhardness measurement, and microstructures of cold deformation plates were studied. It is found that with the increase of deformation, the steel yield and tensile strength of low carbon base plate increase and its work-hardening become significantly. The test steel microstructure is ferrite with mingle small amount of pearlite, and its grain is refined and elongated with the increase of deformation.

Key words: metallic materials, compact strip production, low carbon steel, cold deformation, work-hardening, microstructure

中图分类号:

TG301

王素芬, 彭艳, 李志杰, 肖力子. 薄板坯连铸连轧工艺生产的低碳钢冷轧基板力学特性[J]. 吉林大学学报(工学版), 2012, 42(增刊1): 221-224.

WANG Su-fen, PENG Yan, LI Zhi-jie, XIAO Li-zi. Cold rolling mechanical characteristics of low carbon base plate produced by compact strip production[J]. 吉林大学学报(工学版), 2012, 42(增刊1): 221-224.

参考文献

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[2] 黄刚,温德智,焦国华,等. 薄板坯连铸连轧30CrMo钢的热轧组织与力学性能[J]. 材料热处理学报,2011(6):109-113. Huang Gang, Wen De-zhi, Jiao Guo-hua, et al. Microstructure and mechanical properties of a hot-rolled 30CrMo steel produced by compact strip production[J]. Transactions of Materials and Heat Treatment, 2011(6):109-113.

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[4] Deva A, Jha B K, Mishra N S. Influence of boron on strain hardening behaviour and ductility of low carbon hot rolled steel[J]. Materials Science and Engineering: A,2011, 528(24): 7375-7380.

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