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Process for strengthening silicon based ceramics
A process for strengthening silicon based ceramic monolithic materials and composite materials that contain silicon based ceramic reinforcing phases that requires that the ceramic be exposed to a wet hydrogen atmosphere at about 1400{degrees}C. The process results in a dense, tightly adherent silicon containing oxide layer that heals, blunts, or otherwise negates the detrimental effect of strength limiting flaws on the surface of the ceramic body.
Date:
March 7, 1991
Creator:
Kim, Hyoun-Ee & Moorhead, A. J.
System:
The UNT Digital Library