Compositions: ceramic – Ceramic compositions – Carbide or oxycarbide containing
Patent
1987-11-04
1990-06-26
Dixon, Jr., William R.
Compositions: ceramic
Ceramic compositions
Carbide or oxycarbide containing
501 97, 501 98, 501103, C04B 3556, C04B 3558
Patent
active
049372114
ABSTRACT:
An improved silicon nitride bonded silicon carbide refractory is disclosed. The improvement results from coating the silicon carbide grains with, or introducing into the bond during the mix preparation step, zirconium orthosulfate. The resulting product has higher moduli of rupture and elasticity as compared to prior art compositions where zirconia is introduced into the bond.
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Dixon Jr. William R.
Group Karl
Loiselle, Jr. Arthur A.
Norton Company
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