METHOD OF HIGH RATE DIRECT MATERIAL DEPOSITION
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United States of America Patent
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Mar 18, 2016
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Mar 19, 2015
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Abstract
A method of performing direct material deposition onto a metallic substrate uses a source of an energy beam. A nozzle is coordinated with the source of the energy beam for infusing material relative to the energy beam generated by the source. The energy beam creates a melt pool on the metallic substrate. The source of the energy beam and the nozzle move along a predetermined path to generate a material deposition bead upon the substrate. A pre-heater is provided that is cooperatively controlled with the source of the energy beam and the nozzle. The pre-heater is moved along the predetermined path preceding the energy beam for heating the metallic substrate prior to the energy beam generating the melt pool. The nozzle infuses the melt pool with material for creating a direct material deposition bead upon the metallic substrate.
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