Electric heating – Metal heating – By arc
Reexamination Certificate
2007-09-28
2010-10-19
Evans, Geoffrey S (Department: 3742)
Electric heating
Metal heating
By arc
C219S121830, C219S121850
Reexamination Certificate
active
07816622
ABSTRACT:
A laser shock peening system including a workpiece is provided. The laser shock peening system includes a workholding fixture configured to hold the workpiece. The laser shock peening system also includes a laser source configured to emit multiple laser beam pulses on the workpiece. The laser shock peening system further includes an absorptive layer disposed on the workpiece, the absorptive layer configured to absorb the laser beam pulses from the laser source into the workpiece. The laser shock peening system also includes a transparent constraining layer disposed between the laser source and the absorptive layer. The transparent constraining layer is also configured to provide a pressure medium configured to direct multiple reflected laser generated shock waves from the workpiece back into the workpiece. The laser shock peening system also includes a transducer disposed on the workholding fixture and configured to detect multiple acoustic signals emitted from the workpiece.
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machine translation of Japan Patent No. 2005-300,182, published Oct. 2005.
Azer Magdi Naim
Bailey Mark Samuel
Deaton, Jr. John Broddus
Foister Matthew Alan
Hausfeld Michael Paul
DeCristofaro Richard A.
Evans Geoffrey S
General Electric Company
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