TiC Particle Reinforced Silicon Nitride Composite Joined With Y<sub>2</sub>O<sub>3

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Silicon nitride composite is joined to itself by heating interlayer of Y2 O3 -AL2O3 -SiO2 mixtures above their liquidus temperatures in flowing nitrogen. The joined specimens are tested in four point flexure from room temperature to 1373 K. The interface
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