Relaxation mechanism of rotational type in fracture of weld joints for austenic steels

Abstract

Studied is the mesoscale behavior of plastic deformation and fracture of weld joints for austenic steels. Large-scale rotational modes of deformation in heat affected zones are identified with the first stage of formation of band structures; it is related to the "traveling neck" phenomenon in the base metal. The second stage is connected with crack generation and the state of affairs in the heart-affected zone.

Original language	English
Pages (from-to)	99-102
Number of pages	4
Journal	Theoretical and Applied Fracture Mechanics
Volume	29
Issue number	2
Publication status	Published - 1998

Keywords

Austentic steels
Heat-affected zone (HAZ)
Localized plastic deformation
Mesomechanics
Mesoscale fragmentation
Weld joints

ASJC Scopus subject areas

Mechanical Engineering
Mechanics of Materials

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title = "Relaxation mechanism of rotational type in fracture of weld joints for austenic steels",

abstract = "Studied is the mesoscale behavior of plastic deformation and fracture of weld joints for austenic steels. Large-scale rotational modes of deformation in heat affected zones are identified with the first stage of formation of band structures; it is related to the {"}traveling neck{"} phenomenon in the base metal. The second stage is connected with crack generation and the state of affairs in the heart-affected zone.",

keywords = "Austentic steels, Heat-affected zone (HAZ), Localized plastic deformation, Mesomechanics, Mesoscale fragmentation, Weld joints",

author = "Panin, {V. E.} and Pleshanov, {V. S.} and Kobzeva, {S. A.} and Burkova, {S. P.}",

year = "1998",

language = "English",

volume = "29",

pages = "99--102",

journal = "Theoretical and Applied Fracture Mechanics",

issn = "0167-8442",

publisher = "Elsevier",

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AU - Panin, V. E.

AU - Pleshanov, V. S.

AU - Kobzeva, S. A.

AU - Burkova, S. P.

PY - 1998

Y1 - 1998

N2 - Studied is the mesoscale behavior of plastic deformation and fracture of weld joints for austenic steels. Large-scale rotational modes of deformation in heat affected zones are identified with the first stage of formation of band structures; it is related to the "traveling neck" phenomenon in the base metal. The second stage is connected with crack generation and the state of affairs in the heart-affected zone.

AB - Studied is the mesoscale behavior of plastic deformation and fracture of weld joints for austenic steels. Large-scale rotational modes of deformation in heat affected zones are identified with the first stage of formation of band structures; it is related to the "traveling neck" phenomenon in the base metal. The second stage is connected with crack generation and the state of affairs in the heart-affected zone.

KW - Austentic steels

KW - Heat-affected zone (HAZ)

KW - Localized plastic deformation

KW - Mesomechanics

KW - Mesoscale fragmentation

KW - Weld joints

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