Microstructure and mechanical properties of 980MPa grade Fe-Mn-Al-C lightweight steel

被引：3
|
作者：
Jiang, Yinghua [1 ,2 ]
Xie, Chunqian [1 ,2 ]
机构：
[1] Shougang Res Inst Technol, Beijing 100043, Peoples R China
[2] Beijing Key Lab Green Recyclable Proc Iron & Stee, Beijing 100043, Peoples R China
来源：
4TH INTERNATIONAL CONFERENCE ON ADVANCED COMPOSITE MATERIALS AND MANUFACTURING ENGINEERING 2017 | 2017年 / 207卷
关键词：
MATERIALS SELECTION;
D O I：
10.1088/1757-899X/207/1/012053
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Fe-Mn-Al-C lightweight high strength steel, adding more Mn, Al and C elements into conventional AHSS, shows amazing mechanical properties, corrosion resistant and weight reduction than conventional AHSS. The mechanical properties and microstructure of Fe-15Mn-6.8Al-0.9C-0.2Ti steel after annealing process were investigated. The results show that the microstructures consisted of secondary phases TiC precipitate and ferrite in the austenite matrix. The tensile strength and elongation of the steel are 985MPa and 36%, respectively. The density is 6.86g/cm(3). Continuous strain hardening behavior provides Fe-Mn-Al-C lightweight steel with perfect combination of strength and ductility.
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页数：5
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