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Method of repairing a crack in a component utilizing friction stir welding

  • US 7,000,303 B2
  • Filed: 10/24/2002
  • Issued: 02/21/2006
  • Est. Priority Date: 10/24/2002
  • Status: Active Grant
First Claim
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1. A method of repairing a crack in a component comprising:

  • preparing a surrounding surface of the crack for repair;

    friction stir welding a first portion of the component on a first side of the crack to a second portion of the component on a second side of the crack to form a fused crack area;

    inserting a temporary plug into an existing hole of the component;

    friction stir welding said crackdisengaging a friction stir welding tool in a center of a partial exit hole; and

    removing said temporary plug from the component.

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