Interplay of strengthening mechanisms in the interaction of a 1/2<1 1 1 > screw dislocation with Cr precipitates in bcc Fe: An atomistic study

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Interplay of strengthening mechanisms in the interaction of a 1/2<1 1 1 > screw dislocation with Cr precipitates in bcc Fe: An atomistic study. / Terentyev, Dmitry; Bonny, Giovanni; Malerba, Lorenzo; Lucon, Enrico (Peer reviewer).

In: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, Vol. 267, No. 18, 15.09.2009, p. 3155-3158.

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Terentyev, Dmitry ; Bonny, Giovanni ; Malerba, Lorenzo ; Lucon, Enrico. / Interplay of strengthening mechanisms in the interaction of a 1/2<1 1 1 > screw dislocation with Cr precipitates in bcc Fe: An atomistic study. In: Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 2009 ; Vol. 267, No. 18. pp. 3155-3158.

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@article{0dcc9575e92c4108a551ed3eff0913dc,
title = "Interplay of strengthening mechanisms in the interaction of a 1/2<1 1 1 > screw dislocation with Cr precipitates in bcc Fe: An atomistic study",
abstract = "The interaction of Cr precipitates with a (1/2)<1 1 1 > screw dislocation in bcc Fe is studied using molecular static calculations to evaluate the contributions from different strengthening mechanisms. The total interaction energy of the precipitate and the dislocation, the surface energy created due to the precipitate shearing and the shear modulus misfit interaction energy were estimated separately. Based on these data the shear modulus misfit was concluded to be the main mechanism determining the precipitate resisting force for the passage of a (1/2)<1 1 1 > screw dislocation.",
keywords = "Precipitation, Fe-Cr alloys, Dislocation",
author = "Dmitry Terentyev and Giovanni Bonny and Lorenzo Malerba and Enrico Lucon",
note = "Score = 10",
year = "2009",
month = "9",
day = "15",
doi = "10.1016/j.nimb.2009.06.043",
language = "English",
volume = "267",
pages = "3155--3158",
journal = "Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms",
issn = "0168-583X",
publisher = "Elsevier",
number = "18",

}

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TY - JOUR

T1 - Interplay of strengthening mechanisms in the interaction of a 1/2<1 1 1 > screw dislocation with Cr precipitates in bcc Fe: An atomistic study

AU - Terentyev, Dmitry

AU - Bonny, Giovanni

AU - Malerba, Lorenzo

A2 - Lucon, Enrico

N1 - Score = 10

PY - 2009/9/15

Y1 - 2009/9/15

N2 - The interaction of Cr precipitates with a (1/2)<1 1 1 > screw dislocation in bcc Fe is studied using molecular static calculations to evaluate the contributions from different strengthening mechanisms. The total interaction energy of the precipitate and the dislocation, the surface energy created due to the precipitate shearing and the shear modulus misfit interaction energy were estimated separately. Based on these data the shear modulus misfit was concluded to be the main mechanism determining the precipitate resisting force for the passage of a (1/2)<1 1 1 > screw dislocation.

AB - The interaction of Cr precipitates with a (1/2)<1 1 1 > screw dislocation in bcc Fe is studied using molecular static calculations to evaluate the contributions from different strengthening mechanisms. The total interaction energy of the precipitate and the dislocation, the surface energy created due to the precipitate shearing and the shear modulus misfit interaction energy were estimated separately. Based on these data the shear modulus misfit was concluded to be the main mechanism determining the precipitate resisting force for the passage of a (1/2)<1 1 1 > screw dislocation.

KW - Precipitation

KW - Fe-Cr alloys

KW - Dislocation

UR - http://ecm.sckcen.be/OTCS/llisapi.dll/open/ezp_100838

UR - http://knowledgecentre.sckcen.be/so2/bibref/6183

U2 - 10.1016/j.nimb.2009.06.043

DO - 10.1016/j.nimb.2009.06.043

M3 - Article

VL - 267

SP - 3155

EP - 3158

JO - Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

JF - Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms

SN - 0168-583X

IS - 18

ER -

ID: 334246