Effect of carbon decoration on the absorption of (100) dislocation loops by dislocations in iron

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Effect of carbon decoration on the absorption of (100) dislocation loops by dislocations in iron. / Terentyev, Dmitry; Bakaev, Alexander; Zhurkin, Evgeny; Bonny, Giovanni (Peer reviewer).

In: Journal of Physics: Condensed Matter, Vol. 26, No. 16, 04.2014, p. 1-10.

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@article{c33753d3e4474328a54f7024d89611ba,
title = "Effect of carbon decoration on the absorption of (100) dislocation loops by dislocations in iron",
abstract = "This work closes a series of molecular dynamics studies addressing how solute/interstitial segregation at dislocation loops affects their interaction with moving dislocations in bodycentred cubic Fe-based alloys. We consider the interaction of (100) interstitial dislocation loops decorated by different numbers of carbon atoms in a wide temperature range. The results reveal clearly that the decoration affects the reaction mechanism and increases the unpinning stress, in general. The most pronounced and reproducible increase of the unpinning stress is found in the intermediate temperature range from 300 up to 600 K. The carbon-decoration effect is related to the modification of the loop–dislocation reaction and its importance at the technologically relevant neutron irradiation conditions is discussed.",
keywords = "dislocation, carbon, iron, segregation",
author = "Dmitry Terentyev and Alexander Bakaev and Evgeny Zhurkin and Giovanni Bonny",
note = "Score = 10",
year = "2014",
month = "4",
doi = "10.1088/0953-8984/26/16/165402",
language = "English",
volume = "26",
pages = "1--10",
journal = "Journal of Physics: Condensed Matter",
issn = "0953-8984",
publisher = "IOP - IOP Publishing",
number = "16",

}

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TY - JOUR

T1 - Effect of carbon decoration on the absorption of (100) dislocation loops by dislocations in iron

AU - Terentyev, Dmitry

AU - Bakaev, Alexander

AU - Zhurkin, Evgeny

A2 - Bonny, Giovanni

N1 - Score = 10

PY - 2014/4

Y1 - 2014/4

N2 - This work closes a series of molecular dynamics studies addressing how solute/interstitial segregation at dislocation loops affects their interaction with moving dislocations in bodycentred cubic Fe-based alloys. We consider the interaction of (100) interstitial dislocation loops decorated by different numbers of carbon atoms in a wide temperature range. The results reveal clearly that the decoration affects the reaction mechanism and increases the unpinning stress, in general. The most pronounced and reproducible increase of the unpinning stress is found in the intermediate temperature range from 300 up to 600 K. The carbon-decoration effect is related to the modification of the loop–dislocation reaction and its importance at the technologically relevant neutron irradiation conditions is discussed.

AB - This work closes a series of molecular dynamics studies addressing how solute/interstitial segregation at dislocation loops affects their interaction with moving dislocations in bodycentred cubic Fe-based alloys. We consider the interaction of (100) interstitial dislocation loops decorated by different numbers of carbon atoms in a wide temperature range. The results reveal clearly that the decoration affects the reaction mechanism and increases the unpinning stress, in general. The most pronounced and reproducible increase of the unpinning stress is found in the intermediate temperature range from 300 up to 600 K. The carbon-decoration effect is related to the modification of the loop–dislocation reaction and its importance at the technologically relevant neutron irradiation conditions is discussed.

KW - dislocation

KW - carbon

KW - iron

KW - segregation

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_136484

UR - http://knowledgecentre.sckcen.be/so2/bibref/11729

U2 - 10.1088/0953-8984/26/16/165402

DO - 10.1088/0953-8984/26/16/165402

M3 - Article

VL - 26

SP - 1

EP - 10

JO - Journal of Physics: Condensed Matter

JF - Journal of Physics: Condensed Matter

SN - 0953-8984

IS - 16

ER -

ID: 236608