The Features of Microstructure and Mechanical Properties of Austenitic Steel after Direct and Reverse Martensitic Transformations

被引：5
|
作者：
Litovchenko, I. Yu. [1 ,2 ]
Akkuzin, S. A. [2 ]
Polekhina, N. A. [1 ,2 ]
Tyumentsev, A. N. [1 ,2 ]
Naiden, E. P. [2 ]
机构：
[1] Inst Strength Phys & Mat Sci SB RAS, Tomsk 63405, Russia
[2] Natl Res Tomsk State Univ, Tomsk 634050, Russia
来源：
INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES 2015 | 2015年 / 1683卷
关键词：
SEVERE PLASTIC-DEFORMATION; STAINLESS-STEEL; PHASE-TRANSFORMATION;
D O I：
10.1063/1.4932813
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The features of structural states of metastable austenitic steel after thermomechanical treatments, including low- temperature deformation, warm deformation and subsequent annealing are investigated. It is shown that under these conditions the direct (gamma ->alpha ') and reverse (alpha '->gamma) martensitic transformations occur and submicrocrystalline structural states are formed. The proposed thermomechanical treatment allows varying the strength and plastic properties of austenitic steel in a wide range. The strength of steel in submicrocrystalline state is 4-6 times higher than its original value.
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页数：4
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