Etching a substrate: processes – Nongaseous phase etching of substrate – Etching inorganic substrate
Patent
1995-12-26
1997-07-01
Breneman, R. Bruce
Etching a substrate: processes
Nongaseous phase etching of substrate
Etching inorganic substrate
216100, 216101, 134 2, 252 795, C23G 100
Patent
active
056434740
ABSTRACT:
The invention is directed towards a wet chemical process for removing physical vapor deposited or air plasma sprayed thermal barrier coatings from coated parts without damaging or effecting the bond coat or the base metal substrate. The process entails using an autoclave with an organic caustic solution to fully remove the thermal barrier coating.
REFERENCES:
patent: 2937940 (1960-05-01), Weisberg
patent: 3163524 (1964-12-01), Weisberg
patent: 3419441 (1968-12-01), McAllister et al.
patent: 3481877 (1969-12-01), Moll
patent: 3553015 (1971-01-01), Dohogne
patent: 4134777 (1979-01-01), Borom
patent: 4141781 (1979-02-01), Greskovich et al.
patent: 5522938 (1996-06-01), O'Brien
"Ceramic Coating", Metals Handbook, Ninth Edition, vol. 5, pp. 532-547.
"Oxidation Protective Coatings for Superalloys and Refractory Metals" by Edwin S. Bartlett, pp. 375-380, Metals Handbook.
1954 Supplement to the "Metal Cleaning Bibliographical Abstracts" prepared by J.C. Harris, p. 20, 1954.
"Metal Cleaning Bibliographical Abstracts"s 1842-1951, prepared by Jay C. Harris, pp. 41 & 98, 1951.
Alanko Anita
Breneman R. Bruce
General Electric Company
Johnson Noreen C.
Pittman William H.
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