Reinforced quartz cores for directional solidification casting p

Details Reinforced quartz cores for directional solidification casting p Reinforced quartz cores for directional solidification casting p

1997-08-29

2000-02-29

Pyon, Harold

Metal founding

Process

Shaping liquid metal against a forming surface

164367, 164369, 164411, B22C 910

Patent

active

060297360

ABSTRACT:
A reinforced core for use in metal casting processes, especially directional solidification casting processes, comprises an elongated, thin-walled outer quartz or silica rich tubular member and a carbon base reinforcement disposed in and extending along a length of the tubular member. The carbon base reinforcement can comprise one or more graphite rods cemented together in end-to-end relation or a carbon fiber bundle. The carbon base reinforcement can include an outer carbide surface region by coating or surface reaction.

REFERENCES:
patent: 4532974 (1985-08-01), Mills et al.
patent: 4637449 (1987-01-01), Mills et al.
patent: 4905750 (1990-03-01), Wolf
patent: 5394933 (1995-03-01), Takayanagi
patent: 5697418 (1997-12-01), Bardot et al.

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