Claims
- 1. An apparatus for manufacturing reaction bonded silicon carbide which comprises:
- a reactor having an entrance on one side thereof for inserting a carbon preform therein and an exit on the opposite side for discharging reaction bonded silicon carbide therefrom;
- a carbon woven fabric which moves at constant speed inside the reactor;
- a transfer apparatus which continuously moves the carbon woven fabric;
- a molten metal supplier which provides molten silicon and a silicon-molybdenum alloy to the carbon preform on the carbon woven fabric through a pyro-carbon coated dense graphite feeder;
- the pyro-carbon coated dense graphite feeder located between the molten metal supplier and the carbon woven fabric, the pyro-carbon coated dense graphite feeder having a transfer path through which the molten silicon and silicon-molybdenum alloy are supplied to the carbon preform conveyed on the carbon woven fabric whereby the reaction bonded silicon carbide is formed; and
- an excess molten metal remover which removes excess silicon and silicon-molybdenum alloy which infiltrates into the reaction bonded silicon carbide.
- 2. The apparatus of claim 1 wherein an upper surface of the pyro-carbon coated dense graphite feeder is provided with a groove whereby contact surface between the carbon preform and the molten metal supplied thereon is increased.
- 3. The apparatus of claim 2 wherein two to five of the pyro-carbon coated dense graphite feeders are vertically stacked in the reactor with carbon woven fabric disposed therebetween.
- 4. The apparatus of claim 1 wherein two to five of the pyro-carbon coated dense graphite feeders are vertically stacked in the reactor with the carbon woven fabric disposed therebetween.
- 5. The apparatus of claim 1 wherein the transfer path is provided on an upper surface of the pyro-carbon coated dense graphite feeder and is about 1.5 to about 1.2 mm wide and about 2 to about 4 mm deep.
Priority Claims (1)
Number |
Date |
Country |
Kind |
95-12784 |
May 1995 |
KRX |
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CROSS REFERENCE TO RELATED APPLICATIONS
This is a divisional of U.S. patent application Ser. No. 08/652,324 filed May 22, 1996 now U.S. Pat. No. 5,770,262.
US Referenced Citations (7)
Foreign Referenced Citations (1)
Number |
Date |
Country |
2 227 483A |
Jan 1990 |
GBX |
Divisions (1)
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Number |
Date |
Country |
Parent |
652324 |
May 1996 |
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