A stiffened panel demonstrator component typical of that used in the shipbuilding industry was conceived to demonstrate the advantages of three dimensional laser processing using robot manipulated 4kW Nd:YAG lasers. BS EN 10025:1991 Grade S275JR (formally BS 4360: Grade 43D) material in the 6-8mm thickness range was used. Initial parameter development preceded the fabrication of a 1m x 1m test panel and the eventual production of a 4.8m x 1.9m full size panel section for destructive testing. Equipment set-up, joint design, effect of fit-up, processing techniques and distortion are described. The completed panel was used to compare the level of distortion induced between laser and conventional arc welding processes, before being used to conduct a similar buckling test comparison.
Nd:YAG laser welding of a stiffened panel demonstration component
2001
8 Seiten, 5 Bilder, 3 Quellen
Aufsatz (Konferenz)
Englisch
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