Strengthening of Stable Cr-Ni Austenitic Stainless Steel under Thermomechanical Treatments

被引：0

作者：

Akkuzin, S. A. ^{[1
]}

Litovchenko, I. Yu. ^{[1
,2
]}

Tyumentsev, A. N. ^{[1
,2
]}

机构：

[1] Natl Res Tomsk State Univ, Tomsk 634050, Russia

[2] RAS, Inst Strength Phys & Mat Sci SB, Tomsk 634055, Russia

来源：

PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON ADVANCED MATERIALS WITH HIERARCHICAL STRUCTURE FOR NEW TECHNOLOGIES AND RELIABLE STRUCTURES 2017 (AMHS'17) | 2017年 / 1909卷

关键词：

MICROSTRUCTURE; EVOLUTION;

D O I：

10.1063/1.5013682

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The features of microstructure and mechanical properties of stable austenitic steel after thermomechanical treatment consisted of low-temperature deformation, deformation in the temperature range T = 273-873 K, and subsequent annealing were investigated. It is shown that under such treatment direct (gamma -> alpha')- and reverse (alpha'->gamma)-martensitic transformations occur in the steel. As a result of the thermomechanical treatment submicrocrystalline structural states with high density of micro- and nanotwins and localized deformation bands are formed. The strength of the steel in these structural states is several times higher than that in the initial state.

引用

页数：4

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