Efficient laser peening

Details Efficient laser peening Efficient laser peening

1997-11-05

2000-11-07

Evans, Geoffrey S.

Electric heating

Metal heating

By arc

148525, B23K 2600

Patent

active

061440124

ABSTRACT:
A method of laser shock peening a workpiece including the steps of laser shock peening at least one surface of the workpiece so that it extends over an area of the workpiece and forms a region having compressive residual stresses imparted by the laser shock peening extending into the workpiece from the surface, and firing a laser beam to produce the laser shock peened surface with more than one row of laser beam spots, wherein adjacent laser beam spots and/or rows are one of touching or spaced apart from each other.

REFERENCES:
patent: 5756965 (1998-05-01), Mannava
patent: 5790620 (1998-08-01), Okazaki et al.
patent: 5935464 (1999-08-01), Dulaney et al.

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