Fatigue properties of laser and hybrid laser-TIG welds of thermo-mechanically rolled steels

The hybrid laser-tungsten inert gas welding technology was applied to butt weld 3-mm-thick S460MC and S700MC high-strength low-alloy steel sheets. The intent of low-current arc addition was to preheat the material to reduce extremely fast cooling rate accompanying laser welding. High-cycle fatigue t...

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Veröffentlicht in:	Materials science & engineering. A, Structural materials : properties, microstructure and processing Jg. 772; S. 138780
Hauptverfasser:	Šebestová, Hana, Horník, Petr, Mrňa, Libor, Jambor, Michal, Horník, Vít, Pokorný, Pavel, Hutař, Pavel, Ambrož, Ondřej, Doležal, Pavel
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	Lausanne Elsevier B.V 20.01.2020 Elsevier BV
Schlagworte:	Butt welding Cooling rate Cyclic loads Fatigue Fatigue limit Fatigue tests Gas tungsten arc welding Gas welding Heat treating High cycle fatigue High strength low alloy steels High-strength steel HSLA Hybrid welding Inert gas welding Laser beam heating Laser beam welding Laser cooling Laser welding Laser-TIG Lasers Metal fatigue Metal sheets Notches Rare gases Steel Surface layers Surface roughness Hybrid welding HSLA Fatigue Laser-TIG Laser welding High-strength steel
ISSN:	0921-5093, 1873-4936
Online-Zugang:	Volltext
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