Title:
THERMAL SPRAY COATING METHOD AND THERMAL SPRAY COATED ARTICLE
Document Type and Number:
WIPO Patent Application WO/2015/031034
Kind Code:
A3
Abstract:
Thermal spray coating methods and thermal spray coated articles are disclosed. The thermal spray coating method includes positioning a covering on a cooling channel of a component, and thermal spraying a feedstock onto the covering. The covering prohibits the feedstock from entering the cooling channel in the component and is not removed from the component. In another embodiment, the thermal spray coating method includes providing a component comprising a substrate material, providing a cooling channel on a surface of the component, positioning a covering on the cooling channel, and thermal spraying a feedstock onto the component and the covering, the feedstock comprising a bond coat material. The covering prohibits the bond coat material from entering the cooling channel. The thermal spray coated article includes a component, a cooling channel, a covering on the cooling channel, and a thermally sprayed coating on the component and the covering.
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Inventors:
SCHAEFFER JON CONRAD (US)
Application Number:
PCT/US2014/050497
Publication Date:
April 23, 2015
Filing Date:
August 11, 2014
Export Citation:
Assignee:
GEN ELECTRIC (US)
International Classes:
C23C4/18; C23C4/00; C23C28/00
Foreign References:
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| EP0253754A1 | 1988-01-20 | |||
| EP2423346A1 | 2012-02-29 | |||
| US20060222773A1 | 2006-10-05 | |||
| US20020106457A1 | 2002-08-08 | |||
| US20100075111A1 | 2010-03-25 | |||
| US20020141872A1 | 2002-10-03 | |||
| US20080298975A1 | 2008-12-04 | |||
| US20120156054A1 | 2012-06-21 | |||
| US4040159A | 1977-08-09 |
Attorney, Agent or Firm:
WINTER, Catherine, J. et al. (Global Patent Operation3135 Easton Turnpik, Fairfield CT, US)
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