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Object consolidation employing friction joining

  • US 6,457,629 B1
  • Filed: 10/04/2000
  • Issued: 10/01/2002
  • Est. Priority Date: 10/04/1999
  • Status: Active Grant
First Claim
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1. A method of fabricating an object through sequential material deposition, comprising the steps of:

  • providing a description of the object to be fabricated;

    providing a material feedstock;

    sequetially depositing increments of the material and consolidating the increments in accordance with the description of the object using frictional energy to create a localized plastic flow, mushy zone, or melted region at the interface between the previously deposited material and each new increment until the object is formed without melting the material in bulk; and

    removing any excess material.

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