About: Ductile–brittle behavior at blunted cavities in 3D iron crystals uncovered and covered by copper atoms

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	This paper is devoted to studies of the mechanical response of an atomically blunted cavity uncovered and covered by copper atoms by means 3D molecular dynamic simulations. The cavity is loaded uni–axially in tension mode I. Our question is how the copper atoms influence the ductile–brittle behavior at the crack front of the blunted cavity in comparison with the blunted cavity in pure bcc iron. We show that the dislocation emission is easier in the Fe–Cu system in comparison with pure bcc iron. However, stability of the blunted cavities seems to be weaker in copper region than in pure bcc iron. This paper is devoted to studies of the mechanical response of an atomically blunted cavity uncovered and covered by copper atoms by means 3D molecular dynamic simulations. The cavity is loaded uni–axially in tension mode I. Our question is how the copper atoms influence the ductile–brittle behavior at the crack front of the blunted cavity in comparison with the blunted cavity in pure bcc iron. We show that the dislocation emission is easier in the Fe–Cu system in comparison with pure bcc iron. However, stability of the blunted cavities seems to be weaker in copper region than in pure bcc iron. (en)
Title	Ductile–brittle behavior at blunted cavities in 3D iron crystals uncovered and covered by copper atoms Ductile–brittle behavior at blunted cavities in 3D iron crystals uncovered and covered by copper atoms (en)
skos:prefLabel	Ductile–brittle behavior at blunted cavities in 3D iron crystals uncovered and covered by copper atoms Ductile–brittle behavior at blunted cavities in 3D iron crystals uncovered and covered by copper atoms (en)
skos:notation	RIV/61388998:_____/10:00356691!RIV11-GA0-61388998
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA101/07/0789), P(KJB200760802), Z(AV0Z20760514)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Uhnáková, Alena Hora, Petr Machová, Anna Pelikán, Vladimír Červená, Olga
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav termomechaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	255353
http://linked.open...ai/riv/idVysledku	RIV/61388998:_____/10:00356691
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	molecular dynamics; bcc iron crystal; blunted cavity; copper cover; ductile–brittle behavior (en)
http://linked.open.../riv/klicoveSlovo	blunted cavity copper cover ductile–brittle behavior molecular dynamics bcc iron crystal
http://linked.open...odStatuVydavatele	CZ - Česká republika
http://linked.open...ontrolniKodProRIV	[B8AC2402DA2C]
http://linked.open...i/riv/nazevZdroje	Applied and Computational Mechanics
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Nano-scale detection of defects by molecular dynamics in 3D Crack induced slip processes and stresses in bcc iron
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	4
http://linked.open...iv/tvurceVysledku	Hora, Petr Machová, Anna Červená, Olga Pelikán, Vladimír Spielmannová, Alena
http://linked.open...n/vavai/riv/zamer	Complex dynamical systems in thermodynamics, fluid and solid mechanics
issn	1802-680X
number of pages	10 (xsd:int)

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