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Statements

Subject Item
n2:RIV%2F61989100%3A27360%2F14%3A86092355%21RIV15-MSM-27360___
rdf:type
n4:Vysledek skos:Concept
dcterms:description
This article summarises results of structure stability investigation of cast Ni-base and Co-base alloys after prolonged high temperature exposure at 900-1100 °C. Cast Ni(Co)-Cr-W-C alloys are resistant to high-temperature corrosion, due to high chromium content. Their heat resistance is caused by presence of carbides, which are stable at very high temperatures. Carbides precipitate in shape of large plate-like particles or carbide eutectics at casting cell boundaries, thus forming carbide skeleton of the alloy. Carbide morphology and temperature stability depends on chemical composition of the alloy, e.g. carbide content, type and content of carbide-forming elements. Microstructure changes were evaluated by stereological analysis and X ray-spectral microanalysis. This article summarises results of structure stability investigation of cast Ni-base and Co-base alloys after prolonged high temperature exposure at 900-1100 °C. Cast Ni(Co)-Cr-W-C alloys are resistant to high-temperature corrosion, due to high chromium content. Their heat resistance is caused by presence of carbides, which are stable at very high temperatures. Carbides precipitate in shape of large plate-like particles or carbide eutectics at casting cell boundaries, thus forming carbide skeleton of the alloy. Carbide morphology and temperature stability depends on chemical composition of the alloy, e.g. carbide content, type and content of carbide-forming elements. Microstructure changes were evaluated by stereological analysis and X ray-spectral microanalysis.
dcterms:title
Structure stability of Ni-base and Co-base Alloys Structure stability of Ni-base and Co-base Alloys
skos:prefLabel
Structure stability of Ni-base and Co-base Alloys Structure stability of Ni-base and Co-base Alloys
skos:notation
RIV/61989100:27360/14:86092355!RIV15-MSM-27360___
n3:aktivita
n12:V
n3:aktivity
V
n3:cisloPeriodika
April
n3:dodaniDat
n9:2015
n3:domaciTvurceVysledku
n8:4271262 n8:7932235
n3:druhVysledku
n5:J
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n16:predkladatel
n3:idSjednocenehoVysledku
47950
n3:idVysledku
RIV/61989100:27360/14:86092355
n3:jazykVysledku
n18:eng
n3:klicovaSlova
carbide; high-temperature annealing; structure stability; cast Ni-base alloy
n3:klicoveSlovo
n6:high-temperature%20annealing n6:structure%20stability n6:cast%20Ni-base%20alloy n6:carbide
n3:kodStatuVydavatele
CH - Švýcarská konfederace
n3:kontrolniKodProRIV
[15EB80D1582D]
n3:nazevZdroje
Materials Science Forum
n3:obor
n13:JG
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
5
n3:rokUplatneniVysledku
n9:2014
n3:svazekPeriodika
782
n3:tvurceVysledku
Vodárek, Vlastimil Podhorná, Božena Andršová, Irena Hrbáček, Karel Dobrovská, Jana
n3:wos
000338978600078
s:issn
0255-5476
s:numberOfPages
6
n17:doi
10.4028/www.scientific.net/MSF.782.431
n15:organizacniJednotka
27360