FIELD: ceramic composites for refractory parts, maintaining under extreme conditions.
SUBSTANCE: Claimed material is sintered under pressure and contains (mass %): hexagonal boron nitride 45-80 and second material 55-20. The second material represents solid aluminum oxide solution in silicium nitride containing 35 % or less of oxygen.
EFFECT: material with low thermal-expansion coefficient, improved rustproof quality and heat resistance.
6 cl, 2 tbl
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| MELTED METAL FILTRATION DEVICE AND METHOD OF ITS FABRICATION (VERSIONS) | 2006 |
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| RECEIVING VESSEL FOR MELT SILICON OR VESSEL FOR MELTING SILICON AND METHOD FOR MAKING IT | 2002 |
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RU2303663C2 |
