Process for producing coated molded bodies

Details Process for producing coated molded bodies Process for producing coated molded bodies

1986-12-19

1988-07-19

Childs, Sadie L.

Coating processes

Coating by vapor, gas, or smoke

Carbon or carbide coating

4272552, 4272557, 4274197, C23C 1632, C23C 1634, C23C 1636

Patent

active

047584513

ABSTRACT:
A process for producing a coated molded body according to the CVD process, in which at least one layer of hard material, consisting of carbides, nitrides and/or carbonitrides of the elements titanium, zirconium, hafnium, niobium and/or tantalum is deposited on a metallic substrate from a reactive gas phase. The gas phase contains aluminium trichloride, aluminium tribromide or magnesium chloride in a molar ratio of from 0.1:1 to 5:1, with respect to the halide of titanium, zirconium, hafnium, niobium and/or tantalum which is in the gas phase.

REFERENCES:
patent: Re32111 (1986-04-01), Lambert et al.
patent: 3642522 (1972-02-01), Hintermann
patent: 3656995 (1972-04-01), Reedy
patent: 3807008 (1974-04-01), Reedy
patent: 3900592 (1975-08-01), Kennedy et al.
patent: 4180400 (1979-12-01), Smith et al.
patent: 4196233 (1980-04-01), Bitzer et al.
patent: 4264682 (1981-04-01), Fuyama et al.
patent: 4357382 (1982-11-01), Lambert et al.
patent: 4623400 (1986-11-01), Japka et al.
Powell et al, "Vapor Deposition", pp. 425-430 and 469.

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