Compositions: ceramic – Ceramic compositions – Refractory
Patent
1995-12-29
1996-12-31
Brunsman, David
Compositions: ceramic
Ceramic compositions
Refractory
C04B 3544
Patent
active
055894305
ABSTRACT:
The invention relates to a densely sintered tabular ceramic part of aluminum oxide having improved thermal shock resistance, which possesses a fine porosity of at most 10% by volume, does not contain inclusions having a diameter of .gtoreq.70 .mu.m within the ceramic microstructure and is not destroyed on immersion in a molten metal bath having a temperature of at least 350.degree. C. The invention also relates to a process for producing such a shaped part.
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J. Reed, "Introduction to the Principles of Ceramic Processing", (1988) no month avail. pp. 3, 12, 14 and 15.
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Drabent Claudia
Ernst Johannes
Krahn Wolfgang
Brunsman David
Hoechst Aktiengesellschaft
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