Method of producing metal article having internal passage...

Details Method of producing metal article having internal passage... Method of producing metal article having internal passage...

2006-06-06

2006-06-06

Lin, Kuang Y. (Department: 1725)

Metal founding

Process

Shaping liquid metal against a forming surface

C164S028000, C164S369000

Reexamination Certificate

active

07055574

ABSTRACT:
The present application relates to a method of producing a metal article having an internal passage coated with a ceramic coating. The method comprises: preparing a core for defining the internal passage; applying the ceramic coating on the core; assembling the core with the ceramic coating applied thereon into a mold; casting metal into the mold at a pour temperature lower than the melting temperature of the ceramic coating; and removing the core. The ceramic coating may be applied by plasma spraying or slurry deposition.

REFERENCES:
patent: 2004/0244936 (2004-12-01), Jahedi et al.
patent: 10028160 (2003-03-01), None
patent: 57-62851 (1982-04-01), None
patent: 62-110833 (1987-05-01), None
patent: 64-15266 (1989-01-01), None
patent: 2-108447 (1990-04-01), None
patent: WO 01/94754 (2001-12-01), None

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