Coating processes – Coating by vapor – gas – or smoke – Metal coating
Patent
1985-10-31
1987-10-06
Smith, John D.
Coating processes
Coating by vapor, gas, or smoke
Metal coating
C23C 1600
Patent
active
046982442
ABSTRACT:
The invention relates to an method of producing a titanium aluminide coating on a substrate by producing a flow of hydrogen and gaseous aluminum monochloride over a titanium surface to react to form a gaseous flow of titanium trichloride and aluminum monochloride and contacting the substrate with the flow of titanium trichloride and aluminum monochloride at a temperature of 800.degree. to 1200.degree. C., said substrate being a temperature below the temperature of the gases.
REFERENCES:
patent: 2886469 (1959-05-01), Fitzer et al.
patent: 3252823 (1966-05-01), Jacobson et al.
patent: 3276903 (1966-10-01), Galmiche
patent: 3415672 (1968-12-01), Levenstein et al.
patent: 3464843 (1969-09-01), Basche
patent: 4082864 (1978-04-01), Kendall
patent: 4427720 (1984-01-01), Gauje
Chem. Abs., vol. 98, No. 22, May 1983.
Benander Robert E.
Holzl Robert A.
Air Products and Chemicals Inc.
Bell Janyce A.
Dannells Richard A.
Innis E. Eugene
Simmons, Jr. James C.
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