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Proceedings Paper

CO2 laser welding of aluminium shipbuilding industry alloys: AA 5083, AA 5383, AA 5059, and AA 6082
Author(s): Antonio Ancona; G. Daurelio; L. A. C. De Filippis; A. D. Ludovico; A. M. Spera
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Paper Abstract

Aluminum alloys are interesting in many and many industrial applications, from the classical aircraft industry to rail and road vehicles manufacturing (High Speed Train, Car Structure and Body). Recently much more attention for Aluminum Alloys, 5000 and 6000 Series, has been carried out by Shipbuilding Industry, especially for using in the H.S.L.C. (High Speed Light Craft). Therefore the aim of this experimental work has been to study, develop and test a reproducible CO2 laser welding procedure and technique of four specific alloys, that is AA 5083, AA 5383, AA 5059 (Al-Mg Alloys), and AA 6082 (Al-Mg-Si Alloy). Different techniques, methodologies, covering gases, nozzles, focusing lenses and mirrors, welding speed range, laser power range (1000 and 2500 W) have been carefully experimented. The melted zones properties have been evaluated by cross sections, and some visual inspections by a NIKON LUCIA Imaging System correlating each experimental test, results and evaluations to the adopted process parameters and to the thermo-physical properties of the tested alloys.

Paper Details

Date Published: 10 November 2003
PDF: 11 pages
Proc. SPIE 5120, XIV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers, (10 November 2003); doi: 10.1117/12.515825
Show Author Affiliations
Antonio Ancona, INFM, Univ. degli Studi di Bari (Italy)
G. Daurelio, Ctr. Laser S.c.r.l (Italy)
L. A. C. De Filippis, Politecnico di Bari (Italy)
A. D. Ludovico, Politecnico di Bari (Italy)
A. M. Spera, Politecnico di Bari (Italy)


Published in SPIE Proceedings Vol. 5120:
XIV International Symposium on Gas Flow, Chemical Lasers, and High-Power Lasers
Krzysztof M. Abramski; Edward F. Plinski; Wieslaw Wolinski, Editor(s)

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