About: Plasma bursts in deep penetration laser welding

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We present an experimental study of the deep penetration laser welding process which aims to analyze the plasma plume oscillations on a short time scale. Using the high-speed camera we show that the plasma comes out of the keyhole in the form of short bursts rather than the continuous flow. We detect these bursts as the short-time intensity oscillations of light emissions coming from the plasma plume. We determine the period of bursts using the statistical signal processing methods and the short-time frequency analysis. Finally, we compare the characteristics of plasma bursts and the geometry of resulting welds carried out on a 2kW Yb:YAG laser welding machine for the steel workpiece and various welding parameters settings. We present an experimental study of the deep penetration laser welding process which aims to analyze the plasma plume oscillations on a short time scale. Using the high-speed camera we show that the plasma comes out of the keyhole in the form of short bursts rather than the continuous flow. We detect these bursts as the short-time intensity oscillations of light emissions coming from the plasma plume. We determine the period of bursts using the statistical signal processing methods and the short-time frequency analysis. Finally, we compare the characteristics of plasma bursts and the geometry of resulting welds carried out on a 2kW Yb:YAG laser welding machine for the steel workpiece and various welding parameters settings. (en)
Title	Plasma bursts in deep penetration laser welding Plasma bursts in deep penetration laser welding (en)
skos:prefLabel	Plasma bursts in deep penetration laser welding Plasma bursts in deep penetration laser welding (en)
skos:notation	RIV/68081731:_____/14:00431529!RIV15-MPO-68081731
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(2A-3TP1/113), P(ED0017/01/01), P(EE2.4.31.0016), P(LO1212)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Šarbort, Martin Mrňa, Libor
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav přístrojové techniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	36775
http://linked.open...ai/riv/idVysledku	RIV/68081731:_____/14:00431529
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	laser welding; plasma bursts; intensity oscillations; frequency analysis (en)
http://linked.open.../riv/klicoveSlovo	intensity oscillations plasma bursts frequency analysis laser welding
http://linked.open...ontrolniKodProRIV	[CAD2D8012078]
http://linked.open...v/mistoKonaniAkce	Fürth
http://linked.open...i/riv/mistoVydani	Amsterdam
http://linked.open...i/riv/nazevZdroje	Physics Procedia. 8th International Conference on Laser Assisted Net Shape Engineering (LANE 2014)
http://linked.open...in/vavai/riv/obor	BH
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	ALISI - Centre of advanced diagnostic methods and technologies APPLICATION LABORATORIES OF ADVANCED MICROTECHNOLOGIES AND NANOTECHNOLOGIES *Investigetion of dynamics of the laser welding process and its control MEDTECH - educational and research partner network in medicine, biomedicine and scientific instruments
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Šarbort, Martin Mrňa, Libor
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2014-09-08 (xsd:date)
issn	1875-3892
number of pages	7 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Elsevier

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