On the nature of low-temperature brittleness of BCC steels

V. E. Panin, L. S. Derevyagina, N. M. Lemeshev, A. V. Korznikov, Alexey Victorovich Panin, M. S. Kazachenok

Division for Materials Science

Research output: Contribution to journal › Article › peer-review

Abstract

The study demonstrates the possibility to suppress the ductile-brittle transition in bcc-structured steels at low strain temperatures on the example of pipe steel subjected to severe plastic deformation. The suppression of the ductile-brittle transition in the material is associated with structural changes in its planar subsystem (surface layers and grain boundaries in polycrystals) and substructure formation in its 3D crystalline subsystem.

Original language	English
Pages (from-to)	89-96
Number of pages	8
Journal	Physical Mesomechanics
Volume	17
Issue number	2
DOIs	https://doi.org/10.1134/S1029959914020015
Publication status	Published - 2014

Keywords

3D crystalline subsystem
bcc structures
ductile-brittle transitions
planar subsystem
submicrocrystal-line structure

ASJC Scopus subject areas

Mechanics of Materials
Materials Science(all)
Condensed Matter Physics
Surfaces and Interfaces

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abstract = "The study demonstrates the possibility to suppress the ductile-brittle transition in bcc-structured steels at low strain temperatures on the example of pipe steel subjected to severe plastic deformation. The suppression of the ductile-brittle transition in the material is associated with structural changes in its planar subsystem (surface layers and grain boundaries in polycrystals) and substructure formation in its 3D crystalline subsystem.",

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author = "Panin, {V. E.} and Derevyagina, {L. S.} and Lemeshev, {N. M.} and Korznikov, {A. V.} and Panin, {Alexey Victorovich} and Kazachenok, {M. S.}",

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AU - Panin, V. E.

AU - Derevyagina, L. S.

AU - Lemeshev, N. M.

AU - Korznikov, A. V.

AU - Panin, Alexey Victorovich

AU - Kazachenok, M. S.

PY - 2014

Y1 - 2014

N2 - The study demonstrates the possibility to suppress the ductile-brittle transition in bcc-structured steels at low strain temperatures on the example of pipe steel subjected to severe plastic deformation. The suppression of the ductile-brittle transition in the material is associated with structural changes in its planar subsystem (surface layers and grain boundaries in polycrystals) and substructure formation in its 3D crystalline subsystem.

AB - The study demonstrates the possibility to suppress the ductile-brittle transition in bcc-structured steels at low strain temperatures on the example of pipe steel subjected to severe plastic deformation. The suppression of the ductile-brittle transition in the material is associated with structural changes in its planar subsystem (surface layers and grain boundaries in polycrystals) and substructure formation in its 3D crystalline subsystem.

KW - 3D crystalline subsystem

KW - bcc structures

KW - ductile-brittle transitions

KW - planar subsystem

KW - submicrocrystal-line structure

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