Method of manufacturing a reinforced composite structure of ceramic material
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United States of America Patent
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Apr 29, 1986
Grant Date -
N/A
app pub date -
Nov 28, 1984
filing date -
Dec 1, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An improved method of manufacturing a composite structure of ceramic material reinforced by refractory fibers is disclosed, whereby the fibers are first embedded in a slip of the ceramic material containing a synthetic resin with good ceramic and fiber wetting properties and a solvent of said resin, the liquid phase is thereafter eliminated from the slip by drying, the synthetic resin is driven from the formed structure by heating, and the fiber-reinforced ceramic material is sintered. The improvement consists in avoiding the use of costly aluminum-nitride powder by initially incorporating an aluminum powder in the slip along with the resin solvent and nitriding the powder in the structure, after drying and firing, but before sintering.
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