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Statements

Subject Item
n2:RIV%2F61989100%3A27360%2F14%3A86092307%21RIV15-MSM-27360___
rdf:type
skos:Concept n18:Vysledek
rdfs:seeAlso
http://hrcak.srce.hr/file/162240
dcterms:description
The distribution of tantalum in molybdenum and tungsten single crystals during electron beam fl oating zone melting under different crystallization conditions was investigated. The performed line chemical analysis of specimens proved creation of tantalum micro segregation, so-called growth striations, which showed themselves on concentration proĀ les as periodically alternating areas with increased and decreased concentrations of tantalum. The existence of these chemical inhomogeneities suggests that stationary conditions of the crystal growth were disturbed during the zone melting, i.e. fl uctuations of microscopic rate of growth occurred due to convection in the melt. The determined effective distribution coefficients of tantalum in molybdenum and tungsten approach to calculated theoretical values of the equilibrium distribution coefficient. The distribution of tantalum in molybdenum and tungsten single crystals during electron beam fl oating zone melting under different crystallization conditions was investigated. The performed line chemical analysis of specimens proved creation of tantalum micro segregation, so-called growth striations, which showed themselves on concentration proĀ les as periodically alternating areas with increased and decreased concentrations of tantalum. The existence of these chemical inhomogeneities suggests that stationary conditions of the crystal growth were disturbed during the zone melting, i.e. fl uctuations of microscopic rate of growth occurred due to convection in the melt. The determined effective distribution coefficients of tantalum in molybdenum and tungsten approach to calculated theoretical values of the equilibrium distribution coefficient.
dcterms:title
The effect of crystallization conditions on tantalum distribution in molybdenum and tungsten during electron beam zone melting The effect of crystallization conditions on tantalum distribution in molybdenum and tungsten during electron beam zone melting
skos:prefLabel
The effect of crystallization conditions on tantalum distribution in molybdenum and tungsten during electron beam zone melting The effect of crystallization conditions on tantalum distribution in molybdenum and tungsten during electron beam zone melting
skos:notation
RIV/61989100:27360/14:86092307!RIV15-MSM-27360___
n3:aktivita
n17:P
n3:aktivity
P(ED0040/01/01), P(LO1203)
n3:cisloPeriodika
2
n3:dodaniDat
n13:2015
n3:domaciTvurceVysledku
n6:3580709 n6:7141335 n6:8504261
n3:druhVysledku
n15:J
n3:duvernostUdaju
n8:S
n3:entitaPredkladatele
n10:predkladatel
n3:idSjednocenehoVysledku
13201
n3:idVysledku
RIV/61989100:27360/14:86092307
n3:jazykVysledku
n14:eng
n3:klicovaSlova
Zone melting; Tungsten; Tantalum; Molybdenum; Inhomogeneities
n3:klicoveSlovo
n5:Tantalum n5:Inhomogeneities n5:Zone%20melting n5:Tungsten n5:Molybdenum
n3:kodStatuVydavatele
HR - Chorvatská republika
n3:kontrolniKodProRIV
[8A9915F869B0]
n3:nazevZdroje
Metalurgija = Metallurgy
n3:obor
n9:JG
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
4
n3:projekt
n7:LO1203 n7:ED0040%2F01%2F01
n3:rokUplatneniVysledku
n13:2014
n3:svazekPeriodika
53
n3:tvurceVysledku
Madaj, Michal Kirillova, V. M. Drápala, Jaromír Skotnicová, Kateřina
n3:wos
000326142100016
s:issn
0543-5846
s:numberOfPages
3
n19:organizacniJednotka
27360