Method for forming a channel on the surface of a metal...

Details Method for forming a channel on the surface of a metal... Method for forming a channel on the surface of a metal...

2005-07-26

2005-07-26

Stoner, Kiley S. (Department: 1725)

Metal fusion bonding

Process

Metal to nonmetal with separate metallic filler

C228S246000, C228S254000, C029S889210, C029S889721, C029S424000

Reexamination Certificate

active

06921014

ABSTRACT:
A method for forming a channel within a coated, metal-based substrate is described. In one technique, a channel-forming material is first deposited on the substrate, followed by the deposition of a bonding agent, such as a braze. One or more coatings can then be applied over the substrate. In one embodiment, the channel is formed when the channel-forming material is subsequently removed. In another embodiment, the channel is formed due to the lack of adhesion between particular channel-forming materials and the overlying bonding agent. Related articles are also described, e.g., gas turbine components which include protective coatings and a pattern of cooling channels.

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patent: WO01/80286 (2001-10-01), None
EPO Search Report Dated Nov. 14, 2003.

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