On the transformation-induced plasticity of a medium-manganese steel

被引：4
|
作者：
Torganchuk, V. [1 ]
Belyakov, A. [1 ]
Kaibyshev, R. [2 ]
机构：
[1] Belgorod State Univ, Lab Mech Properties Nanostruct Mat & Superalloys, Belgorod 308015, Russia
[2] Russian State Agr Univ, Moscow Timiryazev Agr Acad RSAU MTAA, Timiryazevskayast 49, Moscow 127550, Russia
来源：
MATERIALS LETTERS | 2021年 / 304卷
关键词：
TRIP; Steel; Mechanical properties; Microstructure; Phase transformation;
D O I：
10.1016/j.matlet.2021.130599
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The mechanical behavior assisted by transformation-induced plasticity was studied in an Fe-0.2%C-10%Mn steel. The starting material was subjected to large strain warm rolling at 550 degrees C, which corresponds to two phase region with austenite and ferrite as 50:50. Correspondingly, this fraction of meta-stable austenite was obtained in order to provide the best combination of strength and ductility. The product of ultimate tensile strength and total elongation was 46 GPax% owing to martensitic transformation in the processed steel samples. Almost linear correlation of the magnetic phase fraction and the true strain can be used to monitor the service life of the stressed steel constructions.
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页数：4
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