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Statements

Subject Item
n2:RIV%2F61389021%3A_____%2F09%3A00330834%21RIV10-AV0-61389021
rdf:type
skos:Concept n15:Vysledek
dcterms:description
Two different power supplies used for dc arc plasma spraying unit with water stabilized plasma torch were compared - classical thyristor controlled unit with the frequency of the current ripple 300 Hz and the rectifier with the high frequency converter and frequency of the current modulation 30 kHz. For the both types of power supply the arc characteristics were measured, time averaged plasma jet properties were determined from spectroscopic measurements and plasma jet fluctuations were analysed on the basis of diagnostics with an array of high frequency photodiodes. The properties of coatings sprayed with the two power supplies were compared. While time averaged profiles of plasma jet were the same for the both power supplies, the fluctuations of plasma jet differed substantially. Also the dynamic arc voltage characteristics of the arc were different and could be described by modified Cassie equation. The differences of properties of TiO2 coatings were not significant. Two different power supplies used for dc arc plasma spraying unit with water stabilized plasma torch were compared - classical thyristor controlled unit with the frequency of the current ripple 300 Hz and the rectifier with the high frequency converter and frequency of the current modulation 30 kHz. For the both types of power supply the arc characteristics were measured, time averaged plasma jet properties were determined from spectroscopic measurements and plasma jet fluctuations were analysed on the basis of diagnostics with an array of high frequency photodiodes. The properties of coatings sprayed with the two power supplies were compared. While time averaged profiles of plasma jet were the same for the both power supplies, the fluctuations of plasma jet differed substantially. Also the dynamic arc voltage characteristics of the arc were different and could be described by modified Cassie equation. The differences of properties of TiO2 coatings were not significant.
dcterms:title
Effect of Fluctuations of DC Current on Properties of Plasma Jet Generated in Plasma Spraying Torch with Gerdien Arc Effect of Fluctuations of DC Current on Properties of Plasma Jet Generated in Plasma Spraying Torch with Gerdien Arc
skos:prefLabel
Effect of Fluctuations of DC Current on Properties of Plasma Jet Generated in Plasma Spraying Torch with Gerdien Arc Effect of Fluctuations of DC Current on Properties of Plasma Jet Generated in Plasma Spraying Torch with Gerdien Arc
skos:notation
RIV/61389021:_____/09:00330834!RIV10-AV0-61389021
n4:aktivita
n9:Z
n4:aktivity
Z(AV0Z20430508)
n4:cisloPeriodika
2
n4:dodaniDat
n8:2010
n4:domaciTvurceVysledku
Kavka, Tetyana n13:1743163 n13:9073914 n13:4668162 n13:8418896 Chumak, Oleksiy n13:5285003
n4:druhVysledku
n16:J
n4:duvernostUdaju
n11:S
n4:entitaPredkladatele
n12:predkladatel
n4:idSjednocenehoVysledku
312101
n4:idVysledku
RIV/61389021:_____/09:00330834
n4:jazykVysledku
n17:eng
n4:klicovaSlova
Plasma torch; dc arc; plasma jet; fluctuations; plasma spraying
n4:klicoveSlovo
n5:plasma%20spraying n5:plasma%20jet n5:Plasma%20torch n5:dc%20arc n5:fluctuations
n4:kodStatuVydavatele
US - Spojené státy americké
n4:kontrolniKodProRIV
[337730833DA1]
n4:nazevZdroje
High Temperature Materials and Processes
n4:obor
n6:BL
n4:pocetDomacichTvurcuVysledku
7
n4:pocetTvurcuVysledku
7
n4:rokUplatneniVysledku
n8:2009
n4:svazekPeriodika
13
n4:tvurceVysledku
Sember, Viktor Chumak, Oleksiy Hrabovský, Milan Kopecký, Vladimír Kavka, Tetyana Mašláni, Alan Ctibor, Pavel
n4:wos
000274202100011
n4:zamer
n14:AV0Z20430508
s:issn
1093-3611
s:numberOfPages
12