Compositions: ceramic – Ceramic compositions – Refractory
Patent
1986-11-28
1988-02-02
Bell, Mark L.
Compositions: ceramic
Ceramic compositions
Refractory
C04B 3548
Patent
active
047229152
ABSTRACT:
Disclosed herein is a high durability zirconia porcelain which is high in thermal stability and free from degradation phenomena such as profile change and strength reduction, and is characterized in that change in length after the zirconia porcelain being maintained in hot water at 250.degree. C. for 50 hours is not more than 0.05%.
Matsui Minoru
Soma Takao
Bell Mark L.
NGK Insulators Ltd.
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