Metallic coating powder containing Al and Hf

Details Metallic coating powder containing Al and Hf Metallic coating powder containing Al and Hf

1974-11-07

1976-04-20

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Electrothermic processes

75 5BB, 427192, 427253, C22C 104, B32B 1500

Patent

active

039516423

ABSTRACT:
A metallic article is provided with improved resistance to high temperature environmental conditions through the inclusion of about 0.1-10 weight percent Hf in an article surface, such as through coating. A method for providing such a coating includes application of the Hf alone or in combination with other surface protective means. Application of Hf can occur before, during or after use of such protective means.

REFERENCES:
patent: 3528861 (1970-09-01), Elam et al.
patent: 3540878 (1970-11-01), Levine et al.
patent: 3560252 (1971-02-01), Kennedy
patent: 3667985 (1972-06-01), Levine et al.

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