Register requirements for friction stir welding of ship structures
Abstract
The application of friction stir welding (FSW) in shipbuilding, including the manufacture of large-sized lightweight welded panels (LLW panels) for the construction of high-speed vessels and specialized marine equipment, is considered. The mechanical properties of welded joints in both MIG/MAG welding and FSW, applied to Al-Mg and Al-Mg-Si alloys commonly used in shipbuilding, are compared. The specific features of the current standards, and the approaches to FSW process approval and certification of welding operators, as well as to the qualification tests for welder-operators are analyzed. Furthermore, the article introduces supplementary criteria for the weld procedure specification, the welder performance qualification record, and the quality of welded joints produced through FSW.
About the Authors
E. A. Alifirenko
NRC "Kurchatov Institute" — CRISM "Prometey"
Russian Federation
Russian Federation
PhD
191015 St. Petersburg, Shpalernaya ul. 49
V. E. Nikulin
NRC "Kurchatov Institute" — CRISM "Prometey"
Russian Federation
Russian Federation
1 сat. Engineer
191015 St. Petersburg, Shpalernaya ul. 49
A. E. Demchenko
NRC "Kurchatov Institute" — CRISM "Prometey"
Russian Federation
Russian Federation
1 сat. Engineer
191015 St. Petersburg, Shpalernaya ul. 49
N. N. Barakhtina
NRC "Kurchatov Institute" — CRISM "Prometey"
Russian Federation
Russian Federation
Lead Engineer
191015 St. Petersburg, Shpalernaya ul. 49
S. M. Kordonets
Russian Maritime Register of Shipping
Russian Federation
Russian Federation
Principal Specialist-Expert
191181 St. Petersburg, Millionnaya ul., 7A
A. V. Kuchapov
Russian Maritime Register of Shipping
Russian Federation
Russian Federation
Senior Expert
191181 St. Petersburg, Millionnaya ul., 7A
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Review
For citations:
Alifirenko E.A., Nikulin V.E., Demchenko A.E., Barakhtina N.N., Kordonets S.M., Kuchapov A.V. Register requirements for friction stir welding of ship structures. Research Bulletin by Russian Maritime Register of Shipping. 2024;(77):70-79. (In Russ.)
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