The Effect of Accelerated Cooling on the Structure of Pipe Steels for Thermomechanical Controlled Processing

被引：0

作者：

Krasnov, M. V. ^{[1
]}

Platov, S. I. ^{[2
]}

Urtsev, V. N. ^{[3
]}

Danilov, S. V. ^{[4
]}

Pastukhov, V. I. ^{[4
,5
]}

Lobanov, M. L. ^{[4
]}

机构：

[1] Magnitogorsk Iron & Steel Works OJSC, 93 Kirova St, Magnitogorsk 455000, Russia

[2] Nosov Magnitogorsk State Tech Univ, 38 Lenina Ave, Magnitogorsk 455000, Russia

[3] Ausferr Res & Technol Ctr, 18 Gorkogo St, Magnitogorsk 455000, Russia

[4] Ural Fed Univ, 19 Mira St, Ekaterinburg 620002, Russia

[5] Inst Nucl Mat JSC, POB 29, Zarechnyi 624250, Sverdlovsk Regi, Russia

来源：

MECHANICS, RESOURCE AND DIAGNOSTICS OF MATERIALS AND STRUCTURES (MRDMS-2018) | 2018年 / 2053卷

关键词：

D O I：

10.1063/1.5084390

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

Scanning electron microscopy with orientation analysis by the electron backscatter diffraction (EBSD) method is used to study microstructures and textures formed in low-carbon low-alloy pipe steel after thennomechanical controlled processing (TMCP) and subsequent quenching with cooling rates of 50 to 700 degrees/s. It has been established that, in the range of industrial rates of cooling between 50 and 350 degrees/s from austenitic regions, the gamma ->alpha transformation starts at temperatures of 700-670 degrees C and proceeds by the shear mechanism. As a result, a bainite structure of different dispersity with martensitic inclusions is predominantly formed.

引用

页数：4

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