Method for depositing a coating onto a substrate by means of the

Details Method for depositing a coating onto a substrate by means of the Method for depositing a coating onto a substrate by means of the

1995-09-26

1998-03-31

Bareford, Katherine A.

Coating processes

Spray coating utilizing flame or plasma heat

239 79, 239 81, 219 7616, C23C 412, B05C 504

Patent

active

057336628

ABSTRACT:
Thermal spraying method and apparatus for depositing a coating onto a substrate by introducing material to be coated directly within the arc discharge area and by establishing a stable laminar plasma stream. By choosing particular parameters of the spraying method, namely electrical parameters and rate of ionizable fluid, required for establishment of plasma arc there is possible to enable efficient melting of material and conveying thereof toward the surface to be coated without spreading outside and before it is evacuated toward said substrate.

REFERENCES:
patent: 3246114 (1966-04-01), Matvay
patent: 4642440 (1987-02-01), Schnackel et al.
patent: 4741286 (1988-05-01), Itoh et al.
patent: 4818837 (1989-04-01), Pfender
patent: 5233153 (1993-08-01), Coats
patent: 5340023 (1994-08-01), Itoh et al.
Kadinov, V.V., "Plasma Coating", Science, pp. 16-17 (1977). (no monthdate).

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