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SYSTEM AND METHODS FOR INSPECTING INTERNAL CRACKS

  • US 20080278151A1
  • Filed: 05/07/2007
  • Published: 11/13/2008
  • Est. Priority Date: 05/07/2007
  • Status: Abandoned Application
First Claim
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1. A method for inspecting an internal cavity in a part, the method comprising:

  • inserting a probe into the internal cavity;

    controlling movement of the probe using a defined scan path to scan the probe over a region of interest in the internal cavity;

    applying a plurality of multifrequency excitation signals to the probe to generate a plurality of multifrequency response signals, wherein the applying step is performed along the defined scan path within the internal cavity; and

    performing a multifrequency phase analysis on the multifrequency response signals to inspect the internal cavity.

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