Metal treatment – Process of modifying or maintaining internal physical... – Heating or cooling of solid metal
Reexamination Certificate
2006-08-29
2006-08-29
Sheehan, John P. (Department: 1742)
Metal treatment
Process of modifying or maintaining internal physical...
Heating or cooling of solid metal
C219S121600, C219S121610, C219S121850, C416S24100B
Reexamination Certificate
active
07097720
ABSTRACT:
A method for laser shock peening an article including laser shock peening a first area with at least one high fluence laser beam and laser shock peening a border area between the first area and a non-laser shock peened area of the article with at least one first low fluence laser beam. The border area may be laser shock peened with a second low fluence laser beam or more low fluence laser beams wherein the second low fluence laser beam and others have a lower fluence than the first low fluence laser beam. The border area may be laser shock peened with progressively lower fluence laser beams starting with the one first fluence laser beam wherein the progressively lower fluence laser beams are in order of greatest fluence to least fluence in a direction outwardly from the first area through the border area to the non-laser shock peened area.
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Broderick Thomas Froats
Mannava Seetha Ramaiah
Prentice Ian Francis
Rockstroh Todd Jay
Shepherd William Woodrow
Andes William Scott
General Electric Company
Sheehan John P.
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