In-Situ Characterization of Deformation and Fracture Behavior of Hot-Rolled Medium Manganese Lightweight Steel

被引：7

作者：

Zhao, Zheng-zhi ^{[1
]}

Cao, Rong-hua ^{[1
]}

Liang, Ju-hua ^{[1
]}

Li, Feng ^{[1
]}

Li, Cheng ^{[1
]}

Yang, Shu-feng ^{[2
]}

机构：

[1] Univ Sci & Technol Beijing, Collaborat Innovat Ctr Steel Technol, Beijing 100083, Peoples R China

[2] Univ Sci & Technol Beijing, Sch Met & Ecol Engn, Beijing 100083, Peoples R China

来源：

JOM | 2018年 / 70卷 / 05期

基金：

中国国家自然科学基金;

关键词：

MEDIUM-MN STEEL; MICROSTRUCTURE; FERRITE; ALUMINUM; AL;

D O I：

10.1007/s11837-018-2790-7

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The deformation and fracture behavior of hot-rolled medium manganese lightweight (0.32C-3.85Mn-4.18Al-1.53Si) steel was revealed by an in situ tensile test. Deformed delta-ferrite with plenty of cross-parallel deformation bands during in situ tensile tests provides delta-ferrite of good plasticity and ductility, although it is finally featured by the cleavage fracture. The soft and ductile delta-ferrite and high-volume fraction of austenite contribute to the superior mechanical properties of medium manganese lightweight steel heated at 800A degrees C, with a tensile strength of 924 MPa, total elongation of 35.2% and product of the strength and elongation of 32.5 GPa %.

引用

页码：700 / 705

页数：6

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