About: Microstructural investigation of the failure mechanisms after creep exposure of Mg-Y-Nd-Zn-Mn alloy

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About: Microstructural investigation of the failure mechanisms after creep exposure of Mg-Y-Nd-Zn-Mn alloy Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Tensile creep tests of squeeze-cast Mg-3Y-2Nd-1Zn-1Mn (wt. %) magnesium alloy were performed at constant load. Measurement of grain boundary sliding by observation of the offset of marker lines was carried out. The role of mutual orientation of neighbour dendrites and possible influence of active slip systems inside dendrites on the cavity nucleation was investigated by electron backscatter diffraction. Experimental results show that creep failure in this alloy takes place by continuous nucleation, growth and coalescence of cavities on dendritic boundaries. Nucleation mechanism involving stress concentrations due to slip inside the grains is not probable. Additionally, although the total extent of deformation due to the grain boundary sliding is small, contribution of sliding to the origin of required stress concentrations necessary for cavity nucleation cannot be excluded. Tensile creep tests of squeeze-cast Mg-3Y-2Nd-1Zn-1Mn (wt. %) magnesium alloy were performed at constant load. Measurement of grain boundary sliding by observation of the offset of marker lines was carried out. The role of mutual orientation of neighbour dendrites and possible influence of active slip systems inside dendrites on the cavity nucleation was investigated by electron backscatter diffraction. Experimental results show that creep failure in this alloy takes place by continuous nucleation, growth and coalescence of cavities on dendritic boundaries. Nucleation mechanism involving stress concentrations due to slip inside the grains is not probable. Additionally, although the total extent of deformation due to the grain boundary sliding is small, contribution of sliding to the origin of required stress concentrations necessary for cavity nucleation cannot be excluded. (en)
Title	Microstructural investigation of the failure mechanisms after creep exposure of Mg-Y-Nd-Zn-Mn alloy Microstructural investigation of the failure mechanisms after creep exposure of Mg-Y-Nd-Zn-Mn alloy (en)
skos:prefLabel	Microstructural investigation of the failure mechanisms after creep exposure of Mg-Y-Nd-Zn-Mn alloy Microstructural investigation of the failure mechanisms after creep exposure of Mg-Y-Nd-Zn-Mn alloy (en)
skos:notation	RIV/68407700:21220/09:00148293!RIV10-GA0-21220___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA106/06/0252)
http://linked.open...iv/cisloPeriodika	3
http://linked.open...vai/riv/dodaniDat	2010
http://linked.open...aciTvurceVysledku	Janík, Vít Hnilica, František
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	České vysoké učení technické v Praze / Fakulta strojní
http://linked.open...dnocenehoVysledku	326231
http://linked.open...ai/riv/idVysledku	RIV/68407700:21220/09:00148293
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Creep cavitation; EBSD; Grain-boundary sliding; Mg-Y-Nd-Zn-Mn alloys (en)
http://linked.open.../riv/klicoveSlovo	EBSD Creep cavitation Grain-boundary sliding Mg-Y-Nd-Zn-Mn alloys
http://linked.open...odStatuVydavatele	DE - Spolková republika Německo
http://linked.open...ontrolniKodProRIV	[39A00C132583]
http://linked.open...i/riv/nazevZdroje	International Journal of Materials Research
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Influence of minority solutes on plasticity of Mg-rare earth-base alloys
http://linked.open...UplatneniVysledku	2009
http://linked.open...v/svazekPeriodika	100
http://linked.open...iv/tvurceVysledku	Hnilica, František Janík, Vít
http://linked.open...ain/vavai/riv/wos	000264870600006
issn	1862-5282
number of pages	5 (xsd:int)
http://localhost/t...ganizacniJednotka	21220
is http://linked.open...avai/riv/vysledek of	Microstructural investigation of the failure mechanisms after creep exposure of Mg-Y-Nd-Zn-Mn alloy Microstructural investigation of the failure mechanisms after creep exposure of Mg-Y-Nd-Zn-Mn alloy Microstructural investigation of the failure mechanisms after creep exposure of Mg-Y-Nd-Zn-Mn alloy Microstructural investigation of the failure mechanisms after creep exposure of Mg-Y-Nd-Zn-Mn alloy

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