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Application of Aluminum Alloy in the Ship

Aluminum alloy friction stir welding in welding method, mechanical properties, manufacturing cost and the environment and great superiority and potential industrial application prospect. In the field of shipbuilding, aluminum alloy stirring friction welding has been in-depth and meticulous research and development. Ship manufacturing not only requires the increase of speed, but also requires the improvement of the unit price of the load, so it is possible to reduce the weight of the ship. But connecting aluminum alloy material of the traditional methods for rivet connection and welding, riveting increases the manufacturing time, manpower and material usage, and aluminum alloy welding is easy to produce deformation, defects and soot also limits the arc welding in aluminum alloy components, so as stirring friction welding technology development, using friction stir welding to achieve high integration degree of pre molding modular manufacturing to replace the traditional ship to board - to strengthen the structure of manufacturing, ship manufacturing technology development inevitable and revolutionary progress.
 
Stirring friction welding on the ship with light alloy pre forming structure application, in appearance, weight, performance, cost and manufacturing time has obvious superiority can not only for ship with light alloy structural parts of manufacturing, but also can be used for field assembly, for the modern shipbuilding provides a new connection method to notify the stirring friction welding instead of welding and manufacturing of light alloy structure, is a leap of the modern welding technology development.
 
FSW technology in shipbuilding, marine industry and the aerospace industry has a broad application prospect in, for FSW welding structure includes: deck and wall and the baffle plate welding, aluminum extrusion welding, hull and strengthen the welding, helicopter landing platform welding and so on. At present, the structure of aluminum alloy with 20m in this technology has been used in the welding process, the total length of the weld is more than 500Km.
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