Method of forming aluminum coating layer on ferrous base alloy w

Details Method of forming aluminum coating layer on ferrous base alloy w Method of forming aluminum coating layer on ferrous base alloy w

1979-01-23

1980-10-14

Kendall, Ralph S.

Coating processes

Heat decomposition of applied coating or base material

Coating decomposed to form metal

4273768, 4273839, C23C 900

Patent

active

042282039

ABSTRACT:
The disclosure relates to a method of forming aluminum coating layer on surface of a ferrous base alloy workpiece which includes the steps of applying onto the surface of the ferrous base alloy workpiece a coating solution containing 50 to 90% by weight of aluminum or aluminum alloy particles and 10 to 50% by weight of synthetic resin having a high decomposition burning temperature with slow burning speed and being soluble in a solvent at normal temperature, with subsequent drying to form a resin coating layer containing aluminum on the surface of the ferrous base alloy workpiece, and then subjecting the workpiece thus treated to heating up to temperature higher than melting point of the aluminum or aluminum alloy particles so as to form an Al plated coating layer on the surface of the ferrous base alloy workpiece.

REFERENCES:
patent: 1655269 (1928-01-01), Howe
patent: 1829623 (1931-10-01), Wright
patent: 2885304 (1959-05-01), Thomson et al.
patent: 3107175 (1963-10-01), Cape
patent: 3720537 (1973-03-01), Rigney
patent: 3884729 (1975-05-01), Jackson
patent: 3907611 (1975-09-01), Sasame et al.
patent: 4045596 (1977-08-01), Guiraldenq et al.
patent: 4141760 (1979-02-01), Baldi
Goetzel, Treatise on Powder Metallurgy, vol. 1, 1949 Interscience, pp. 254, 255.

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