Microstructural Characterization of Laser Weld of Hot-Stamped Al-Si Coated 22MnB5 and Modification of Weld Properties by Hybrid Welding

The presence of Al-Si coating on 22MnB5 leads to the formation of large ferritic bands in the dominantly martensitic microstructure of butt laser welds. Rapid cooling of laser weld metal is responsible for insufficient diffusion of coating elements into the steel and incomplete homogenization of wel...

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Veröffentlicht in:	Materials Jg. 14; H. 14; S. 3943
Hauptverfasser:	Šebestová, Hana, Horník, Petr, Mikmeková, Šárka, Mrňa, Libor, Doležal, Pavel, Novotný, Jan
Format:	Journal Article
Sprache:	Englisch
Veröffentlicht:	Basel MDPI AG 14.07.2021 MDPI
Schlagworte:	Aluminum Arc heating Arc welding Base metal Boron Cooling rate Diffusion coating Gas tungsten arc welding Heat affected zone Heat treating Laser beam welding Laser cooling Lasers Mechanical properties Metal fatigue Microhardness Microstructure Shear strength Silicon Solid solutions Steel Tensile strength Tensile tests Ultimate tensile strength Weld metal Welded joints
ISSN:	1996-1944, 1996-1944
Online-Zugang:	Volltext
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