2011
DOI: 10.1007/s11465-011-0125-2
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Modelling and diagnostics of multiple cathodes plasma torch system for plasma spraying

Abstract: Usage of a multiple-arcs system has significantly improved process stability and coating properties in air plasma spraying. However, there are still demands on understanding and controlling the physical process to determine process conditions for reproducible coating quality and homogeneity of coating microstructure. The main goal of this work is the application of numerical simulation for the prediction of the temperature profiles at the torch outlet for real process conditions. Behaviour of the gas flow and … Show more

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Cited by 5 publications
(5 citation statements)
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“…This can be explained through different construction concepts of the plasma guns. The three-cathode plasma gun utilizes a triple axially symmetrical arc system, which results in the decrease in the local heat load to the 20). This leads to a homogenous heat treatment of the powder particles in the free jet and consequently a uniform deposition pattern.…”
Section: Three-cathode Plasma Torchmentioning
confidence: 99%
“…This can be explained through different construction concepts of the plasma guns. The three-cathode plasma gun utilizes a triple axially symmetrical arc system, which results in the decrease in the local heat load to the 20). This leads to a homogenous heat treatment of the powder particles in the free jet and consequently a uniform deposition pattern.…”
Section: Three-cathode Plasma Torchmentioning
confidence: 99%
“…Plazminis purškimas taikomas nusodinant metalų, keramikos, polimerų ir kompozicines dangas. Pastaruoju metu tokios dangos naudojamos automobilių ir dujų turbinų detalėse, celiuliozės ir popieriaus pramonėje, plieno pramonėje, biomedicinos implantuose, elektros energijos gamyboje, aeronautikoje ir t. t. (Mariaux, Vardelle 2005;Guo et al 2015;Bobzin et al 2011). Nepaisant plazminio purškimo universalumo, platesnį jo pritaikomumą labai riboja plazmos srauto degimo proceso nestabilumas.…”
Section: įVadasunclassified
“…Šis elektrinio lanko dėmės judėjimas lemia lanko ilgio svyravimus, kurie daro įtaką lanko įtampos svyravimams, šilumos mainams procese, plazmos srauto nestabilumui ir elektrodų tarnavimo laikui. Taigi, labai svarbu suprasti fizikinius procesus, vykstančius plazmos sraute, siekiant pagerinti plazminio purškimo proceso efektyvumą (Selvan, Ramachandran 2009;Mariaux, Vardelle 2005;Bobzin et al 2011).…”
Section: įVadasunclassified
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“…Straipsnis ar jo dalys negali būti naudojami komerciniams tikslams. ISSN 2029-2341 / eISSN 2029-2252 Guo et al 2015;Bobzin et al 2011). …”
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