Nanocrystalline Advanced High Strength Steel Produced by Cold Rolling and Annealing

被引：14

作者：

Field, Daniel M. ^{[1
]}

Van Aken, David C. ^{[1
]}

机构：

[1] Missouri Univ Sci & Technol, Dept Mat Sci & Engn, Rolla, MO 65409 USA

来源：

METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2016年 / 47A卷 / 05期

基金：

美国国家科学基金会;

关键词：

EPSILON-MARTENSITE; CRYSTALLOGRAPHIC ORIENTATION; STAINLESS-STEEL; MICROSTRUCTURE; TRANSFORMATION; BEHAVIOR;

D O I：

10.1007/s11661-016-3394-x

中图分类号：

T [工业技术];

学科分类号：

08 ;

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 degrees 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 gamma-austenite, epsilon-martensite, and alpha-ferrite. (C) The Minerals, Metals & Materials Society and ASM International 2016

引用

页码：1912 / 1917

页数：6

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