Bead-on-plate weldability of Al 5052 alloy using a disk laser

• Autorzy: Kim J. , Lim S. , Cho J. H. , Kim C.
• Języki publikacji: EN

Abstrakty

EN

Purpose: The paper presents the effect of the laser welding parameters of the laser focal position and beam angle on the weldability of an Al 5052 thick plate using a 4kW disk laser. Design/methodology/approach: Bead-on-plate welding was conducted on a 10mm-thick Al 5052 plate. Aspects of the bead, including the bead surface and cross sections, were evaluated with various laser welding parameters. The porosity formation was also examined in an X-ray transmission tests. Findings: Although the penetration depth decreased as the focal point moves away from the surface, the appearance of the bead improved and the porosity decreased. The weldability according to the inclination angle of the laser beam was also investigated. It was found that a forward inclination of the laser beam (when the inclination angle is an acute angle) could enhance the weldability compared with a backward inclination. Research limitations/implications: The results of the thick plate BOP welding experiments can be expanded to optimizing the Al alloy welding of thin sheets. Practical implications: It is applicable as a ground technique for the laser welding of aluminium alloy to increase the productivity and quality using the recently developed disk laser. Originality/value: The outcome of the research shows the influence of the welding parameters on weldability aspects in disk laser welding of an Al alloy.

Słowa kluczowe

EN

welding; laser welding; aluminium alloy; disk laser

PL

spawanie; spawanie laserowe; stopy aluminium; tarcza laserowa

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2008
• Tom: Vol. 28, nr 2
• Strony: 187--190
• Opis fizyczny: Bibliogr. 18 poz., wykr.

Twórcy

autor

Kim J.

autor

Lim S.

autor

Cho J. H.

autor

Kim C.

• Advanced Joining Technology Team, 7-47 Songdodong, Incheon, South Koreab IWSE,,

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