Martensite Enables the Formation of Complex Nanotwins in a Medium Mn Steel

被引：2
|
作者：
He, B. B. [1 ,2 ,3 ]
Huang, M. X. [1 ,2 ]
机构：
[1] Univ Hong Kong, Dept Mech Engn, Hong Kong, Peoples R China
[2] Univ Hong Kong, Shenzhen Inst Res & Innovat, Shenzhen 518000, Peoples R China
[3] Southern Univ Sci & Technol, Dept Mech & Energy Engn, Shenzhen 518055, Peoples R China
来源：
METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE | 2020年 / 51卷 / 05期
基金：
中国国家自然科学基金;
关键词：
TRANSFORMATION-INDUCED PLASTICITY; STACKING-FAULT ENERGY; GRAIN-SIZE; MECHANICAL-PROPERTIES; HIGH-DUCTILITY; HIGH-STRENGTH; DEFORMATION; AUSTENITE; BOUNDARIES; EVOLUTION;
D O I：
10.1007/s11661-020-05683-7
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Nanotwins with high density have been introduced by severe plastic deformation to improve the mechanical properties of single-phase steels. In this article, we revealed a pathway to generate intensive nanotwins in a dual-phase medium Mn steel. These nanotwins are developed by martensitic transformation during the quenching process and twinning-induced plasticity (TWIP) effect during subsequent uni-axial tension. The complex nanotwins with very high twin density will be promising for enhancing the mechanical performance of steels.
引用
收藏
页码：1960 / 1966
页数：7
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