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Laser shock peening system with time-of-flight monitoring

  • US 7,906,746 B2
  • Filed: 11/30/2005
  • Issued: 03/15/2011
  • Est. Priority Date: 11/30/2005
  • Status: Expired due to Fees
First Claim
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1. A controller comprising:

  • a first input configured to receive a signal transmitted from a transducer indicative of at least one of spectral data and amplitude data of energy associated with a laser shock event at a workpiece in response to a laser beam generated via a laser source;

    a second input configured to receive a signal from the laser source; and

    a processor connected to the first and second inputs and configured to determine a travel time of energy associated with the laser shock event from the workpiece to the transducer, the travel time based on the energy of the laser beam generated via the laser source as derived from the first and second input signals, and output a determination of peen quality based on the travel time in response thereto.

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