Methods for Modifying and Enhancing Material Properties of Additive Manufactured Metallic Parts
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United States of America Patent
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Jun 2, 2016
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Jun 2, 2015
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Abstract
A device for additive manufacturing of an object. The device includes: a first probe configured to form the object; and a work-hardening second probe, where the work-hardening second probe is an ultrasonic probe, and further where the second probe is configured to emit ultrasonic energy to modify a substructure of the object during manufacture; wherein the first probe is configured to increase a temperature of at least a portion of a first layer of the object facing the first probe, to a first depth; and wherein the second probe is configured to work-harden the at least a portion of the first layer of the object facing the first probe, to a second depth, the second depth being greater than the first depth.
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