Metal working – Method of mechanical manufacture – Combined manufacture including applying or shaping of fluent...
Reexamination Certificate
2006-05-16
2006-05-16
Compton, Eric (Department: 3726)
Metal working
Method of mechanical manufacture
Combined manufacture including applying or shaping of fluent...
C228S193000, C427S453000, C427S456000, C030S350000
Reexamination Certificate
active
07043819
ABSTRACT:
A method of forming a metal product. A metal alloy workpiece substrate is provided have pre-process dimensions. The dimensional differences are determined between the pre-process dimensions of the workpiece substrate and desired post-process dimensions of a post-process metal product formed from the workpiece substrate. A build-up thickness is determined of coating material required to obtain the desired post-process dimensions of the post-process metal product. A high-density coating process is performed to coat the workpiece substrate with a coating material to build-up a thickness of coating material effective to obtain desired finished dimensions after performing a sintering heat treatment process and/or a hot isostatic pressing treatment. The sintering heat treatment is performed on the coated workpiece substrate to densify the coating material. Then, the hot isostatic pressing treatment is performed to obtain the post-process metal product having the desired post-process dimensions and having diffusion bonding between the coating material and the workpiece substrate.
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Compton Eric
Daniels, Esq. John J.
Recast Airfoil Group
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