About: Residual Stress Surface Distribution in the Vicinity of Welds in Laser Welded Steel Sheets

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Advent of high power diode laser has substantially contributed to the popularity of laser welding in industry where its virtues such as low heat input and good weld strength are highly appreciated. However, one of the drawbacks of the laser welding is distortion of the welded bodies that is closely linked with the generation and/or redistribution of residual stresses in the vicinity of the weld. In this contribution, mapping of surface macroscopic residual stresses in two directions, i.e. parallel and perpendicular to the welds, were performed for two bodies. The first contained a weld created with the high power diode laser beam speed of 2 m/min and the second with the speed of 15 m/min. Our aim was to compare not only resulting fields of residual stresses, but also to perform qualitative assessment of the possible presence of crystallographic texture and gain a qualitative apprehension about the grain sizes in the vicinity of a laser weld joining two steel sheets. Larger distortion of the body with a laser weld is exhibited by the sample manufactured with approximately 8 times bigger speed of laser beam. This sample is in the immediate vicinity characterized by substantial compressive residual stresses in the direction perpendicular to the weld. Advent of high power diode laser has substantially contributed to the popularity of laser welding in industry where its virtues such as low heat input and good weld strength are highly appreciated. However, one of the drawbacks of the laser welding is distortion of the welded bodies that is closely linked with the generation and/or redistribution of residual stresses in the vicinity of the weld. In this contribution, mapping of surface macroscopic residual stresses in two directions, i.e. parallel and perpendicular to the welds, were performed for two bodies. The first contained a weld created with the high power diode laser beam speed of 2 m/min and the second with the speed of 15 m/min. Our aim was to compare not only resulting fields of residual stresses, but also to perform qualitative assessment of the possible presence of crystallographic texture and gain a qualitative apprehension about the grain sizes in the vicinity of a laser weld joining two steel sheets. Larger distortion of the body with a laser weld is exhibited by the sample manufactured with approximately 8 times bigger speed of laser beam. This sample is in the immediate vicinity characterized by substantial compressive residual stresses in the direction perpendicular to the weld. (en)
Title	Residual Stress Surface Distribution in the Vicinity of Welds in Laser Welded Steel Sheets Residual Stress Surface Distribution in the Vicinity of Welds in Laser Welded Steel Sheets (en)
skos:prefLabel	Residual Stress Surface Distribution in the Vicinity of Welds in Laser Welded Steel Sheets Residual Stress Surface Distribution in the Vicinity of Welds in Laser Welded Steel Sheets (en)
skos:notation	RIV/68407700:21340/13:00214489!RIV14-TA0-21340___
http://linked.open...avai/predkladatel	Fakulta jaderná a fyzikálně inženýrská
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(TA02011004)
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Kolařík, Kamil Ganev, Nikolaj Čapek, Jiří Pala, Zdenek
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 jaderná a fyzikálně inženýrská
http://linked.open...dnocenehoVysledku	102589
http://linked.open...ai/riv/idVysledku	RIV/68407700:21340/13:00214489
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	laser welding; residual stresses; X-ray diffraction (en)
http://linked.open.../riv/klicoveSlovo	X-ray diffraction laser welding residual stresses
http://linked.open...ontrolniKodProRIV	[8587BE52CA9B]
http://linked.open...v/mistoKonaniAkce	Litoměřice
http://linked.open...i/riv/mistoVydani	Ústí nad Labem
http://linked.open...i/riv/nazevZdroje	Proceedings of the 51st Conference on Experimental Stress Analysis
http://linked.open...in/vavai/riv/obor	JG
http://linked.open...ichTvurcuVysledku	4 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...vavai/riv/projekt	Application of laser technologies in transportation engineering
http://linked.open...UplatneniVysledku	2013
http://linked.open...iv/tvurceVysledku	Ganev, Nikolaj Kolařík, Kamil Pala, Zdeněk Čapek, Jiří
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2013-06-11 (xsd:date)
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	FVTM,UJEP
https://schema.org/isbn	978-80-7414-579-7
http://localhost/t...ganizacniJednotka	21340

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