Laser shock peening

Details Laser shock peening Laser shock peening

2006-11-21

2006-11-21

Larson, Lowell A. (Department: 3725)

Metal deforming

By shot-blasting

C072S056000, C219S121730

Reexamination Certificate

active

07137282

ABSTRACT:
In a laser shock peening process, the shape of the spot generated by the laser beam is changed on the fly. This is achieved, for example, by a masking device which is movable into and out of the path of the laser beam. Laser shock peening spots can consequently be shaped so as to avoid the spots overlapping an edge of the workpiece, or any other feature which may be damaged by the laser energy.

REFERENCES:
patent: 5131957 (1992-07-01), Epstein et al.
patent: 5911890 (1999-06-01), Dulaney et al.
patent: 5935464 (1999-08-01), Dulaney et al.
patent: 2002/0050157 (2002-05-01), Kennerknecht et al.
patent: 0 933 438 (1999-08-01), None
patent: 1 122 321 (2001-08-01), None
patent: 1 227 164 (2002-07-01), None
patent: WO 97/41266 (1997-11-01), None

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