Microstructure and mechanical properties of Sc-modified AA2519-T62 laser beam welded butt joints

• Autorzy: Kosturek Robert , Grzelak Krzysztof , Torzewski Janusz , Wachowski Marcin , Śnieżek Lucjan

Identyfikatory

DOI

10.2478/adms-2022-0019

• Języki publikacji: EN

Abstrakty

EN

The fundamental aim of the research is to investigate the microstructure and mechanical properties of the AA2519-T62 laser beam welded joints obtained with various values of welding velocity. For the constant value of laser power (3.2 kW) three joints have been produced with various values of welding velocity: 0.8, 1.1, and 1.4 m/min. The joints have been subjected to microstructure analysis (including both light and scanning electron microscope), microhardness measurements, tensile tests, and fractography of tensile samples. The established values of joint efficiency contain within the range of 55-66% with the highest value (66%) reported for the joint obtained with 1.1 m/min welding velocity. The produced welds have noticeable participation of pores, which tends to increase together with the value of welding velocity. In all cases, the failure has occurred in the fusion zone by ductile fracture.

Słowa kluczowe

EN

aluminum; AA2519; microstructure; mechanical properties; laser beam welding; fracture

PL

aluminium; AA2519; mikrostruktura; właściwości mechaniczne; spawanie laserowe; pękanie

• Wydawca: Politechnika Gdańska
• Czasopismo: Advances in Materials Science
• Rocznik: 2022
• Tom: Vol. 22, nr 4(74)
• Strony: 57--69
• Opis fizyczny: Bibliogr. 25 poz., rys., tab., wykr.

Twórcy

autor

Kosturek Robert

• Military University of Technology, Faculty of Mechanical Engineering, Warsaw, Poland

autor

Grzelak Krzysztof

• Military University of Technology, Faculty of Mechanical Engineering, Warsaw, Poland

autor

Torzewski Janusz

• Military University of Technology, Faculty of Mechanical Engineering, Warsaw, Poland

autor

Wachowski Marcin

• Military University of Technology, Faculty of Mechanical Engineering, Warsaw, Poland

autor

Śnieżek Lucjan

• Military University of Technology, Faculty of Mechanical Engineering, Warsaw, Poland

Bibliografia

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Uwagi

1) Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).

2) Błędna numeracja stron. Wszystkie nieparzyste strony w dokumencie oznaczone jako str. 53.