Overcoming underfill defect with undermatching filler and establishing new acceptance criteria for underfill depth in laser beam welding of ultra-high strength steels

This study investigated the laser-beam-weld geometry and tensile properties under various butt-joint gap conditions as a function of the use of undermatching filler for 2.3-mm thick ultra-high strength steels (UHSSs) with a yield strength of 610–850 MPa. An undermatching filler wire with a yield str...

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Veröffentlicht in:	Welding in the world 2024-02, Vol.68 (2), p.259-271
Hauptverfasser:	Lee, Yoona, Park, Sanghyeon, Seon, Jeongan, Han, Haksoo, Lee, Kwanghyeon, Kang, Namhyun
Format:	Artikel
Sprache:	eng
Schlagworte:	Acceptance criteria Base metal Butt joints Chemistry and Materials Science Fillers Heat treating High strength steels Laser beam welding Lasers Low temperature Materials Science Metallic Materials Research Paper Solid Mechanics Tensile properties Theoretical and Applied Mechanics Thickness Weld metal Yield strength Yield stress
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