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.

引用

页数：6

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