Silicon Nitride Ceramics - Alloy Design - ScienceDirect
1994-1-1 · Chen [] showed that the creep resistance of silicon nitride ceramics increased after the grain boundary glassy phase was crystallized ().There are three curves in this figure, each representing a different heat treatment for these ceramics. The first specimen was hot pressed at 1750°C for 60 min under a pressure of 20 MPa.
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