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NSRP project aims to reduce weld distortion

from Marine Log

Weld distortion is a costly problem for U.S. shipyards. A National Shipbuilding Research Program project is focusing on reducing weld distortion by using a new welding process: HiDep Arc Welding. In HiDep Arc Welding induction heating is used to heat the weld joint ahead of the arc welding torch. By adjusting the induction heating it is possible to modify the thermal profile of the weld to prevent the asymmetrical cooling. which causes most weld distortion. more

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