Coating methods, coating products and coated articles

Details Coating methods, coating products and coated articles Coating methods, coating products and coated articles

1996-06-11

1999-03-16

Jenkins, Daniel J.

Specialized metallurgical processes, compositions for use therei

Compositions

Consolidated metal powder compositions

75246, 428637, C22C 3302, C22C 3306

Patent

active

058833145

ABSTRACT:
Abradable coatings for turbine engine shrouds are formed from biscuits formed of silicon-diffused powdered alloy compositions which are processed with an HF precursor to strip oxides from the coating during processing, the alloy blends comprising MCrAl(Y).sub.n alloys in which n is 0, 1 or more.

REFERENCES:
patent: 3073269 (1963-01-01), Hoppin, III et al.
patent: 3155491 (1964-11-01), Hoppin, III et al.
patent: 4842953 (1989-06-01), Perkins et al.
patent: 4937042 (1990-06-01), Perkins et al.
patent: 5549767 (1996-08-01), Pietruska et al.

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