Heterogeneous multi-layered IF steel with simultaneous high strength and good ductility

被引：1
|
作者：
Zhang, Ling [1 ,2 ]
Jiang, Xiaojuan [1 ]
Wang, Yuhui [3 ]
Chen, Qiang [4 ]
Chen, Zhen [1 ]
Zhang, Yonghong [1 ]
Huang, Tianlin [1 ,2 ]
Wu, Guilin [1 ]
机构：
[1] Chongqing Univ, Coll Mat Sci & Engn, Shazhengjie 174, Chongqing 400044, Peoples R China
[2] Chongqing Univ, Electron Microscopy Ctr, Chongqing 400044, Peoples R China
[3] Yanshan Univ, Natl Engn Res Ctr Equipment & Technol Cold Strip, Qinhuangdao 066004, Peoples R China
[4] Southwest Technol & Engn Res Inst, Chongqing 400039, Peoples R China
来源：
38TH RISO INTERNATIONAL SYMPOSIUM ON MATERIALS SCIENCE | 2017年 / 219卷
关键词：
HIGH-TENSILE DUCTILITY; MECHANICAL-PROPERTIES; DEFORMATION; AL;
D O I：
10.1088/1757-899X/219/1/012052
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Multi-layered IF steel samples were designed and fabricated by hot compression followed by cold forging of an alternating stack of cold-rolled and annealed IF steel sheets, with an aim to improve the strength of the material without losing much ductility. A very good combination of strength and ductility was achieved by proper annealing after deformation. Microstructural analysis by electron back-scatter diffraction revealed that the good combination of strength and ductility is related to a characteristic hierarchical structure that is characterized by layered and lamella structures with different length scales.
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页数：6
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