About: Specifics of Laser Welding of Ductile Iron, Cr-Mo Steel and their Dissimilar Butt Joints

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Laser welding of 1) ductile iron, 2) Cr-Mo low alloy steel and 3) their dissimilar butt joints was executed. Both materials were separately subjected to research of their laser weldability. Spattering and melt flows during laser welding were observed using high speed video cameras and also X-ray transmission real-time observation system. The materials showed very different behaviour in respect to cracking, spattering, underfilling, melt flows and so on. In ductile iron, cracking due to cementite formation, spattering and underfilling occurred easily. For low alloy steel, solidification cracking was the problem. In dissimilar welding, the solidification process, the consequent weld metal phases, hardness and other properties were significantly different. To produce sound welds in welding dissimilar metals, a Ni-based filler wire and the laser beam misalignment were investigated, and the effects on the prevention of cracking were confirmed. Laser welding of 1) ductile iron, 2) Cr-Mo low alloy steel and 3) their dissimilar butt joints was executed. Both materials were separately subjected to research of their laser weldability. Spattering and melt flows during laser welding were observed using high speed video cameras and also X-ray transmission real-time observation system. The materials showed very different behaviour in respect to cracking, spattering, underfilling, melt flows and so on. In ductile iron, cracking due to cementite formation, spattering and underfilling occurred easily. For low alloy steel, solidification cracking was the problem. In dissimilar welding, the solidification process, the consequent weld metal phases, hardness and other properties were significantly different. To produce sound welds in welding dissimilar metals, a Ni-based filler wire and the laser beam misalignment were investigated, and the effects on the prevention of cracking were confirmed. (en)
Title	Specifics of Laser Welding of Ductile Iron, Cr-Mo Steel and their Dissimilar Butt Joints Specifics of Laser Welding of Ductile Iron, Cr-Mo Steel and their Dissimilar Butt Joints (en)
skos:prefLabel	Specifics of Laser Welding of Ductile Iron, Cr-Mo Steel and their Dissimilar Butt Joints Specifics of Laser Welding of Ductile Iron, Cr-Mo Steel and their Dissimilar Butt Joints (en)
skos:notation	RIV/68407700:21260/10:00173208!RIV11-MSM-21260___
http://linked.open...avai/riv/aktivita	V
http://linked.open...avai/riv/aktivity	V
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Dunovský, Jiří
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	České vysoké učení technické v Praze / Fakulta dopravní
http://linked.open...dnocenehoVysledku	289078
http://linked.open...ai/riv/idVysledku	RIV/68407700:21260/10:00173208
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	laser; dissimilar metals; laser welding; ductile iron; low alloy steel; melt flows (en)
http://linked.open.../riv/klicoveSlovo	ductile iron low alloy steel laser laser welding dissimilar metals melt flows
http://linked.open...ontrolniKodProRIV	[D9B8B7610AC1]
http://linked.open...v/mistoKonaniAkce	Tokyo University, Tokyo
http://linked.open...i/riv/mistoVydani	Osaka
http://linked.open...i/riv/nazevZdroje	Proceedings of the 74th Laser Materials Processing Conference
http://linked.open...in/vavai/riv/obor	JR
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...UplatneniVysledku	2010
http://linked.open...iv/tvurceVysledku	Vondrouš, Petr Dunovský, Jiří Katayama, S.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2010-12-06 (xsd:date)
number of pages	10 (xsd:int)
http://purl.org/ne...btex#hasPublisher	The Laser Society of Japan
https://schema.org/isbn	978-4-947684-75-2
http://localhost/t...ganizacniJednotka	21260
is http://linked.open...avai/riv/vysledek of	Specifics of Laser Welding of Ductile Iron, Cr-Mo Steel and their Dissimilar Butt Joints Specifics of Laser Welding of Ductile Iron, Cr-Mo Steel and their Dissimilar Butt Joints Specifics of Laser Welding of Ductile Iron, Cr-Mo Steel and their Dissimilar Butt Joints

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