Invention Grant
- Patent Title: Methods of deposition of thick environmental barrier coatings on CMC blade tips
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Application No.: US16374004Application Date: 2019-04-03
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Publication No.: US11078798B2Publication Date: 2021-08-03
- Inventor: Glen Harold Kirby
- Applicant: General Electric Company
- Applicant Address: US NY Schenectady
- Assignee: General Electric Company
- Current Assignee: General Electric Company
- Current Assignee Address: US NY Schenectady
- Agency: Dority & Manning, P.A.
- Main IPC: F01D5/28
- IPC: F01D5/28 ; C04B41/52 ; C04B41/00 ; C04B41/89 ; C04B41/45 ; C04B41/50 ; C04B41/87
Abstract:
Methods for tape deposition of a sacrificial coating on a CMC substrate are provided. The method comprises: applying a matrix material onto a surface of a film; drying the matrix material to remove the solvent; and transferring the dried matrix material from the film to the CMC substrate. The matrix material comprises a mixture of a rare earth silicate powder, a sintering aid, and a solvent.
Public/Granted literature
- US20190226346A1 Methods of Deposition of Thick Environmental Barrier Coatings on CMC Blade Tips Public/Granted day:2019-07-25
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