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Statements

Subject Item
n2:RIV%2F61389021%3A_____%2F14%3A00437139%21RIV15-GA0-61389021
rdf:type
n15:Vysledek skos:Concept
dcterms:description
Tungsten is a promising candidate material for use in the tokamak device aimed at future production of nuclear fusion power. Here, tungsten is intended for the application in the part called first wall,with the function of a heat-resistant plasma facing armor.In the present work,two fractions of tungsten powder (2 and 4 μm) were used to prepare two consolidated samples by spark plasma sintering (SPS),using a combination of pressure,temperature and electric power.This sintering technique produces samples of near theoretical density which is positive for the application.Tungsten compacts were then studied to determine some basic thermal and mechanical properties, namely thermal conductivity using the laser-flash method and hardness by Vickers test.The measurements were focused on thermal conductivity of the compacts because high thermal conductivity is crucial for the material of tokamak first wall,loaded by high heat flux from the plasma.High hardness is desirable for good resistance Tungsten is a promising candidate material for use in the tokamak device aimed at future production of nuclear fusion power. Here, tungsten is intended for the application in the part called first wall,with the function of a heat-resistant plasma facing armor.In the present work,two fractions of tungsten powder (2 and 4 μm) were used to prepare two consolidated samples by spark plasma sintering (SPS),using a combination of pressure,temperature and electric power.This sintering technique produces samples of near theoretical density which is positive for the application.Tungsten compacts were then studied to determine some basic thermal and mechanical properties, namely thermal conductivity using the laser-flash method and hardness by Vickers test.The measurements were focused on thermal conductivity of the compacts because high thermal conductivity is crucial for the material of tokamak first wall,loaded by high heat flux from the plasma.High hardness is desirable for good resistance
dcterms:title
THERMAL AND MECHANICAL PROPERTIES OF TUNGSTEN COMPACTS PREPARED BY SPS THERMAL AND MECHANICAL PROPERTIES OF TUNGSTEN COMPACTS PREPARED BY SPS
skos:prefLabel
THERMAL AND MECHANICAL PROPERTIES OF TUNGSTEN COMPACTS PREPARED BY SPS THERMAL AND MECHANICAL PROPERTIES OF TUNGSTEN COMPACTS PREPARED BY SPS
skos:notation
RIV/61389021:_____/14:00437139!RIV15-GA0-61389021
n3:aktivita
n8:I n8:P
n3:aktivity
I, P(GAP108/12/1872)
n3:dodaniDat
n18:2015
n3:domaciTvurceVysledku
n13:1214527 n13:6343767 n13:8171173
n3:druhVysledku
n16:D
n3:duvernostUdaju
n4:S
n3:entitaPredkladatele
n20:predkladatel
n3:idSjednocenehoVysledku
50297
n3:idVysledku
RIV/61389021:_____/14:00437139
n3:jazykVysledku
n19:eng
n3:klicovaSlova
spark plasma sintering; tungsten; thermal properties
n3:klicoveSlovo
n5:thermal%20properties n5:tungsten n5:spark%20plasma%20sintering
n3:kontrolniKodProRIV
[55BAA238C379]
n3:mistoKonaniAkce
Děčín
n3:mistoVydani
Praha
n3:nazevZdroje
Proceedings of XIIIth youth symposium on experimental solid mechanics
n3:obor
n17:JJ
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
3
n3:projekt
n11:GAP108%2F12%2F1872
n3:rokUplatneniVysledku
n18:2014
n3:tvurceVysledku
Nevrlá, Barbara Vilémová, Monika Matějíček, Jiří
n3:typAkce
n9:WRD
n3:zahajeniAkce
2014-06-29+02:00
s:numberOfPages
4
n6:hasPublisher
Czech Technical University in Prague, Faculty of Transportation Sciences
n12:isbn
978-80-01-05556-4