| 780 MPa级冷轧双相钢的组织与性能研究 |
| |
| 引用本文： | 李国彬,赵征志,罗青,唐荻,赵爱民.780 MPa级冷轧双相钢的组织与性能研究[J].金属热处理,2009,34(9). |
| |
| 作者姓名： | 李国彬 赵征志 罗青 唐荻 赵爱民 |
| |
| 作者单位： | 1. 北京科技大学冶金工程研究院,北京,100083;北京科技大学材料科学与工程学院,北京,100083
2. 北京科技大学冶金工程研究院,北京,100083 |
| |
| 基金项目： | 国家“十一五”科技支撑计划(2006BAE03A06);;北京市科技计划(D07010300700701) |
| |
| 摘 要： | 在实验室试制了780MPa级冷轧双相钢,介绍了其成分设计、轧制工艺和连续退火工艺。研究了过时效温度对钢板力学性能和显微组织的影响,并利用扫描电镜和透射电镜对钢的显微组织进行了分析。结果表明,试制的冷轧双相钢经820℃保温,320℃过时效处理,可以获得综合力学性能优良的冷轧双相钢,其屈服强度为408MPa,抗拉强度为812MPa,伸长率达到了23.1%。
|
| 关 键 词： | 冷轧双相钢 过时效 连续退火 显微组织 |
Microstructure and properties of 780 MPa grade cold rolled dual-phase steel |
| |
| LI Guo-bin,ZHAO Zheng-zhi,LUO Qing,TANG Di,ZHAO Ai-min.Microstructure and properties of 780 MPa grade cold rolled dual-phase steel[J].Heat Treatment of Metals,2009,34(9). |
| |
| Authors: | LI Guo-bin ZHAO Zheng-zhi LUO Qing TANG Di ZHAO Ai-min |
| |
| Affiliation: | 1.Metallurgical Engineering Research Institute;University of Science and Technology Beijing;Beijing 100083;China;2.School of Materials Science and Engineering;China |
| |
| Abstract: | Cold rolled dual-phase steels of 780 MPa grade were trial-produced in laboratory.The chemical composition design,rolling technology and continuous annealing process of the cold rolled dual-phase steels were introduced.The effect of over-ageing temperature on the mechanical properties and microstructure was studied.The microstructure after continuous annealing was analyzed using SEM and transmission electron microscopy.The results indicate that the dual-phase steels which have good mechanical properties can ... |
| |
| Keywords: | cold rolled dual-phase steel over-ageing continuous annealing microstructure |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
