About: High strength steel microstructures and properties after laser welding

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The paper presents metallographic observations of welded joints in high-strength steels. It brings a comparison of changes in material microstructure upon laser welding and upon MAG welding (Metal Active Gas). The size of the heat-affected zone (HAZ) was one order of magnitude smaller and the grain considerably finer in case of the laser beam welding. This is also reflected in resulting properties of these joints. The strength of a laser-welded joint in the material Docol 1200M remains basically equal to that of the parent metal, whereas the strength of the MAG welded joint was about one half lower. In case of failure the MAG welds typically fracture along the border between the HAZ and the parent metal, while failure in laser welds occurs along the fusion line. The paper presents metallographic observations of welded joints in high-strength steels. It brings a comparison of changes in material microstructure upon laser welding and upon MAG welding (Metal Active Gas). The size of the heat-affected zone (HAZ) was one order of magnitude smaller and the grain considerably finer in case of the laser beam welding. This is also reflected in resulting properties of these joints. The strength of a laser-welded joint in the material Docol 1200M remains basically equal to that of the parent metal, whereas the strength of the MAG welded joint was about one half lower. In case of failure the MAG welds typically fracture along the border between the HAZ and the parent metal, while failure in laser welds occurs along the fusion line. (en)
Title	High strength steel microstructures and properties after laser welding High strength steel microstructures and properties after laser welding (en)
skos:prefLabel	High strength steel microstructures and properties after laser welding High strength steel microstructures and properties after laser welding (en)
skos:notation	RIV/26316919:_____/10:#0000206!RIV11-MPO-26316919
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(FR-TI1/363)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Nový, Zbyšek Urbánek, Miroslav
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	COMTES FHT a.s.
http://linked.open...dnocenehoVysledku	261533
http://linked.open...ai/riv/idVysledku	RIV/26316919:_____/10:#0000206
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	laser beam, welding, high strength steel, microstructure properties, transformations (en)
http://linked.open.../riv/klicoveSlovo	laser beam welding high strength steel transformations microstructure properties
http://linked.open...odStatuVydavatele	SK - Slovenská republika
http://linked.open...ontrolniKodProRIV	[CB4CE2E865D5]
http://linked.open...i/riv/nazevZdroje	Acta Metallurgica Slovaca
http://linked.open...in/vavai/riv/obor	JP
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	*Research and development of a light, safe and ergonomic railway seat
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	14
http://linked.open...iv/tvurceVysledku	Němeček, Stanislav Nový, Zbyšek Urbánek, Miroslav
issn	1338-1660
number of pages	5 (xsd:int)
is http://linked.open...avai/riv/vysledek of	High strength steel microstructures and properties after laser welding High strength steel microstructures and properties after laser welding High strength steel microstructures and properties after laser welding

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