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Laser Enineered Net Shaping(Trade Mark) (LENS(Registered)) for the Repair and Modification of NWC Metal Components.

机译:用于修复和改造NWC金属部件的激光工程网成型(商标)(LENs(注册))。

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Laser Engineered Net Shaping (LENS) is a layer additive manufacturing process that creates fully dense metal components using a laser, metal powder, and a computer solid model. This process has previously been utilized in research settings to create metal components and new material alloys. The Qualification of LENS for the Repair and Modification of Metal NWC Components project team has completed a Technology Investment project to investigate the use of LENS for repair of high rigor components. The team submitted components from four NWC sites for repair or modification using the LENS process. These components were then evaluated for their compatibility to high rigor weapons applications. The repairs included hole filling, replacement of weld lips, addition of step joints, and repair of surface flaws and gouges. The parts were evaluated for mechanical properties, corrosion resistance, weldability, and hydrogen compatibility. This document is a record of the LENS processing of each of these component types and includes process parameters, build strategies, and lessons learned. Through this project, the LENS process was shown to successfully repair or modify metal NWC components.

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