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US 4,069,059 AGranted
Silicon nitride-zirconium silicate ceramics
AssigneeThe United States of America as represented by the Secretary of the Navy
InventorsWilliam J. McDonough, Roy W. Rice
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Abstract
A dense and high temperature-oxidation-resistant ceramic prepared from silicon nitride and zirconium silicate in an amount from 3 to 15 weight percent of silicon nitride.
Claims1
A dense and high-temperature-oxidation-resistant ceramic prepared from a mixture consisting of silicon nitride and of zirconium silicate in an amount from 3 to 15 weight percent of said silicon nitride.
Dependencies are inferred from the claim text.