Method for surface coating ferrous alloy parts

Details Method for surface coating ferrous alloy parts Method for surface coating ferrous alloy parts

1974-12-12

1976-12-07

Gwinnell, Harry J.

Coating processes

Coating by vapor, gas, or smoke

Metal coating

C23C 1302

Patent

active

039964000

ABSTRACT:
Mechanical parts of ferrous alloys are provided with a coating consisting essentially of FeSn.sub.2, FeSn and FeSnC.sub.x with x ranging from 0.7-1.3 by holding the part to be treated in an oven at a temperature ranging from 400.degree. to 700.degree. C while the gaseous atmosphere inside the oven is comprised of a mixture of a vapor of a tin halide and a reducing gas.

REFERENCES:
patent: 2689807 (1954-09-01), Kempe et al.
patent: 2815299 (1957-12-01), Raymond
patent: 3617359 (1971-11-01), Wakefield
patent: 3625751 (1971-12-01), Walles
Powell et al., Vapor Deposition, pp. 316- 319 (1966).
Doo et al., "Process for Molybdenum Vapor Deposition," IBM Tech. Discl. Betin, vol. 13, No. 2, July 1970.

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