Laser shock peening coating with entrapped confinement medium

Details Laser shock peening coating with entrapped confinement medium Laser shock peening coating with entrapped confinement medium

2007-12-04

2007-12-04

Elve, M. Alexandra (Department: 1725)

Electric heating

Metal heating

By arc

C219S121850, C219S121810, C219S121600

Reexamination Certificate

active

11008702

ABSTRACT:
An integrated laser shock peening coating includes film or a tape having an ablative medium layer spaced apart from a clear containment layer and a stationary clear liquid confining medium therebetween wherein the clear transparent to a laser beam used for laser shock peening. Two examples of the clear liquid confining medium are water and a mixture of water and agar without flowing a confinement curtain of fluid over the surface upon which the laser beam is firing. The intergrated laser shock peening coating may be a tape with an adesive layer being disposed on a first side ablative medium layer. A method of laser shock peening includes coating a substrate of an article with the intergrated laser shock peening coating and firing a laser beam on the coated substrate with sufficient power to form a region having deep compressive residual stresses extending into the substrate.

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European Search Report, Application No. 05257393, Mar. 2, 2006, 3 pages.
Delphion, Derwent Record, “Laser shock treatment of solid crystalline material—using elastomer or liq. polymer as plasma confinement medium”, https://www.delphion.com, Mar. 16, 2006, 2 pages.

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