Coating processes – Coating by vapor – gas – or smoke – Metal coating
Patent
1980-11-17
1982-10-05
Morgenstern, Norman
Coating processes
Coating by vapor, gas, or smoke
Metal coating
C23C 1100, C23C 1300
Patent
active
043528406
ABSTRACT:
In the method of forming diffusion coatings for improved corrosion, erosion or wear properties in high performance alloy structures, the coatings being characterized by the intimate presence of an interdispersed phase material in desired amount to enhance one or more of these properties, which includes interdiffusing under non-oxidizing conditions a portion of the structure surface and an alloying element disposed therewith, such as aluminum, in a diffusion pack of predetermined composition desirable for the interdiffusion, the improvement comprising maintaining the desired amount of interdispersed phase material relatively richly concentrated within a selected pack zone corresponding to the locus of interdiffusion for intimate diffusion coating interdispersal from the pack zone in interdiffusion responsive relation and freely of varying the predetermined composition of the pack.
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patent: 3677789 (1971-07-01), Bungardt et al.
patent: 3961910 (1976-06-01), Baladjanian et al.
patent: 3978251 (1976-08-01), Stetson et al.
patent: 4105512 (1978-08-01), Martens et al.
patent: 4156042 (1979-05-01), Hayman et al.
Childs S. L.
Morgenstern Norman
Turbine Metal Technology, Inc.
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