Nanocrystalline Advanced High Strength Steel Produced by Cold Rolling and Annealing

被引：0
|
作者：
Daniel M. Field
David C. Van Aken
机构：
[1] Missouri University of Science and Technology,Department of Materials Science and Engineering
来源：
Metallurgical and Materials Transactions A | 2016年 / 47卷
关键词：
Austenite; Cold Rolling; Stack Fault Energy; Regular Solution Model; Manganese Steel;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
An advanced high strength steel of composition Fe-0.11C-2.46Si-11.5Mn-0.38Al-0.029N (wt pct) was produced with a yield strength of 790 MPa, an ultimate tensile strength of 1300 MPa, and a total elongation of 28 pct. Conventional processing of hot-band steel by cold rolling and annealing at 873 K (600 °C) was used to produce a nanocrystalline structure with an average grain diameter 112 ± 25 nm (68 pct confidence level). Electron backscatter diffraction (EBSD) and X-ray diffraction (XRD) were utilized to characterize the nanocrystalline steel, which consisted of γ-austenite, ε-martensite, and α-ferrite.
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页码：1912 / 1917
页数：5
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