Electric heating – Metal heating – By arc
Reexamination Certificate
2005-01-25
2005-01-25
Elve, M. Alexandra (Department: 1725)
Electric heating
Metal heating
By arc
C219S121700, C219S121850
Reexamination Certificate
active
06847004
ABSTRACT:
A process of removing ceramic deposits from a surface hole in a component, a particular example being portions of a ceramic coating deposited on a surface of a component equipped with cooling holes. The process makes use of a pulsed Nd:YAG laser operated with parameters that avoid delamination, cracking or otherwise damaging a ceramic coating surrounding a cooling hole. The laser is operated to generate a laser beam that removes some of the ceramic deposit from the hole while a residual portion of the ceramic deposit remains surrounding the hole to define a surface opening.
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Ash Clarence Albert
Bailey Mark Samuel
Das Nripendra Nath
Tomlinson Thomas John
Elve M. Alexandra
General Electric Company
Hartman Domenica N. S.
Hartman Gary M.
Narciso David L.
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