Process for coating a ceramic glow plug portion with a corrosion

Details Process for coating a ceramic glow plug portion with a corrosion Process for coating a ceramic glow plug portion with a corrosion

1995-11-30

1996-11-26

Bareford, Katherine

Coating processes

Spray coating utilizing flame or plasma heat

Metal oxide containing coating

427299, 427309, 123145A, 219270, 219553, C23C 410

Patent

active

055783490

ABSTRACT:
A process for applying a uniformly adherent protective tantalum oxide coating on a portion of a ceramic glow plug for protecting the glow plug against the corrosive/erosive environment generated by the burning of alternative fuels in a diesel engine. The coating is tantalum oxide deposited on a silicon nitride glow plug by plasma spray deposition techniques.

REFERENCES:
patent: 3941903 (1976-03-01), Tucker, Jr.
patent: 4786781 (1988-11-01), Nozaki et al.
patent: 5084606 (1992-01-01), Bailey et al.
patent: 5304778 (1994-04-01), Dasgupta et al.

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