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US5068154A Boron nitride/silicon-containing ceramic materials 失效
硼硝酸盐/含硅陶瓷材料

Boron nitride/silicon-containing ceramic materials
摘要:
Novel ceramic materials include a boron nitride matrix and an amount of silicon values, such ceramic materials comprising a core volume having an external sheath layer on an outer face surface thereof, with the majority of said silicon values being distributed throughout the external layer.
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