Claims
- 1. A method of making a sintered ceramic body, comprising:combining at least one liquid phase sintering aid, a boron containing compound, a free carbon containing compound, and silicon carbide to form a green ceramic; shaping the green ceramic into a ceramic body; sintering the ceramic body; cooling the ceramic body to between about 1550° C. and about 1650° C.; and maintaining the ceramic body between about 1550° C. and about 1650° C. for between about 30 minutes and about 90 minutes.
- 2. The method of making a sintered ceramic body of claim 1, wherein maintaining comprises maintaining the ceramic body at a substantially constant temperature for between about 30 minutes and about 90 minutes.
- 3. The method of making a sintered ceramic body of claim 1, wherein maintaining comprises maintaining the ceramic body at about 1600° C. for about 30 minutes.
Parent Case Info
This application is a continuation-in-part of and claims priority to U.S. patent application Ser. No. 09/933,463, filed Aug. 20, 2001 now U.S. Pat. No. 6,680,267.
US Referenced Citations (15)
Foreign Referenced Citations (3)
Number |
Date |
Country |
0771769 |
May 1997 |
EP |
5-93388 |
Sep 1991 |
JP |
11-079845 |
Mar 1999 |
JP |
Continuation in Parts (1)
|
Number |
Date |
Country |
Parent |
09/933463 |
Aug 2001 |
US |
Child |
10/134989 |
|
US |