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Statements

Subject Item
n2:RIV%2F68378271%3A_____%2F09%3A00331332%21RIV10-AV0-68378271
rdf:type
skos:Concept n21:Vysledek
dcterms:description
In the present study, a set of the directionally solidified samples from ferromagnetic shape memory alloywith the nominal composition Co38Ni33Al29 was prepared using the Bridgman method. It is shown that various growth rates result in various solidification structures of the crystals, mainly in different ratios of the disordered phase - cobalt solid solution and the ordered phase - B2 (Co,Ni)Al. This ratio has the fundamental effect on the temperature of the martensitic phase transition. The results are compared with the structure of samples prepared by the floating zone method. The structures of samples prepared with the different growth rate were studied by metallography, SEM, EDX, and EBSD methods. The samples without high-angle grain boundaries were cut from the prepared crystals for the mechanical testing. In the present study, a set of the directionally solidified samples from ferromagnetic shape memory alloywith the nominal composition Co38Ni33Al29 was prepared using the Bridgman method. It is shown that various growth rates result in various solidification structures of the crystals, mainly in different ratios of the disordered phase - cobalt solid solution and the ordered phase - B2 (Co,Ni)Al. This ratio has the fundamental effect on the temperature of the martensitic phase transition. The results are compared with the structure of samples prepared by the floating zone method. The structures of samples prepared with the different growth rate were studied by metallography, SEM, EDX, and EBSD methods. The samples without high-angle grain boundaries were cut from the prepared crystals for the mechanical testing.
dcterms:title
Structure development in Co38Ni33Al29 ferromagnetic shape memory alloy Structure development in Co38Ni33Al29 ferromagnetic shape memory alloy
skos:prefLabel
Structure development in Co38Ni33Al29 ferromagnetic shape memory alloy Structure development in Co38Ni33Al29 ferromagnetic shape memory alloy
skos:notation
RIV/68378271:_____/09:00331332!RIV10-AV0-68378271
n3:aktivita
n14:Z n14:P
n3:aktivity
P(IAA200100627), P(IAA200100902), Z(AV0Z10100520)
n3:dodaniDat
n7:2010
n3:domaciTvurceVysledku
n4:9450564 n4:9021116 n4:7157401 n4:5644275 n4:2488906 n4:3131718 n4:7813880
n3:druhVysledku
n19:D
n3:duvernostUdaju
n11:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
344203
n3:idVysledku
RIV/68378271:_____/09:00331332
n3:jazykVysledku
n17:eng
n3:klicovaSlova
cobalt alloys; ferromagnetic shape memory alloys; crystal growth; martensitic transformation
n3:klicoveSlovo
n9:crystal%20growth n9:cobalt%20alloys n9:ferromagnetic%20shape%20memory%20alloys n9:martensitic%20transformation
n3:kontrolniKodProRIV
[368DF7DD2BC6]
n3:mistoKonaniAkce
Praha
n3:mistoVydani
Les Ulis cedex A
n3:nazevZdroje
ESOMAT 2009 - 8th European Symposium on Martensitic Transformations
n3:obor
n6:BM
n3:pocetDomacichTvurcuVysledku
7
n3:pocetTvurcuVysledku
7
n3:projekt
n10:IAA200100627 n10:IAA200100902
n3:rokUplatneniVysledku
n7:2009
n3:tvurceVysledku
Jarošová, Markéta Novák, Vít Kopeček, Jaromír Drahokoupil, Jan Jurek, Karel Sedláková, Silvia Šittner, Petr
n3:typAkce
n8:WRD
n3:zahajeniAkce
2009-09-07+02:00
n3:zamer
n20:AV0Z10100520
s:numberOfPages
5
n12:hasPublisher
EDP Sciences
n18:isbn
978-2-7598-0480-1