Elucidation of Spatter Generation Mechanism in Medium Vacuum Laser Welding

Kai Tomita

Presentation information

SLPC2024 » Oral Presentation

Welding 1

Thu. Apr 25, 2024 1:15 PM - 2:30 PM 416+417 (Pacifico Yokohama Conference Center)

Session Chair: Yuji Sato (Osaka University), Jörg Volpp (Luleå University of Technology)

2:00 PM - 2:15 PM

[SLPC10-03] Elucidation of Spatter Generation Mechanism in Medium Vacuum Laser Welding

*Kai Tomita¹, Koichi Taniguchi¹, Keiji Ueda¹, Yuji Sato², Masahiro Tsukamoto² (1. JFE Steel Corporation, 2. JWRI, Osaka Univ.)

Laser welding under an atmospheric pressure of 1200 Pa or more clarified that the molten pool repeatedly expanded and shrunk due to unstable heat input, leading to the generation of spatter.

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