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Preparation method and application of silicon-boron-nitrogen fiber reinforced boron nitride ceramic-based composite material
The invention discloses a preparation method and application of a silicon-boron-nitrogen fiber reinforced boron nitride ceramic-based composite material, the silicon-boron-nitrogen fiber reinforced boron nitride ceramic-based composite material comprises a SiBN fiber preform and a BN ceramic matrix, and the BN ceramic matrix is uniformly filled in gaps of the SiBN fiber preform. The preparation method comprises the following steps: (1) carrying out glue removal heat treatment on a SiBN fiber preform; (2) preparing a SiBNf/BN composite material intermediate; and (3) carrying out carbon removal treatment under the protection of inert gas. The silicon-boron-nitrogen fiber reinforced boron nitride ceramic-based composite material prepared by the preparation method disclosed by the invention is excellent in mechanical property, good in dielectric property and good in temperature resistance and ablation resistance; the method is simple and easy to implement, low in equipment requirement and high in controllable degree; and the raw material source is wide, the production cost is low, and the application and popularization value is good.
本发明公开了硅硼氮纤维增强氮化硼陶瓷基复合材料的制备方法及应用，所述的硅硼氮纤维增强氮化硼陶瓷基复合材料包括SiBN纤维预制件和BN陶瓷基体，BN陶瓷基体均匀填充于SiBN纤维预制件的空隙当中。制备方法包括：(1)将SiBN纤维预制件进行排胶热处理；(2)制备SiBNf/BN复合材料中间体；(3)在惰性气体保护下进行除碳处理。本发明所制得的硅硼氮纤维增强氮化硼陶瓷基复合材料力学性能优良、介电性能好、耐温性和耐烧蚀性好；本方法简单易行、对设备要求低，可控程度高；原料来源广泛、生产成本低，具有较好的应用推广价值。
Preparation method and application of silicon-boron-nitrogen fiber reinforced boron nitride ceramic-based composite material
The invention discloses a preparation method and application of a silicon-boron-nitrogen fiber reinforced boron nitride ceramic-based composite material, the silicon-boron-nitrogen fiber reinforced boron nitride ceramic-based composite material comprises a SiBN fiber preform and a BN ceramic matrix, and the BN ceramic matrix is uniformly filled in gaps of the SiBN fiber preform. The preparation method comprises the following steps: (1) carrying out glue removal heat treatment on a SiBN fiber preform; (2) preparing a SiBNf/BN composite material intermediate; and (3) carrying out carbon removal treatment under the protection of inert gas. The silicon-boron-nitrogen fiber reinforced boron nitride ceramic-based composite material prepared by the preparation method disclosed by the invention is excellent in mechanical property, good in dielectric property and good in temperature resistance and ablation resistance; the method is simple and easy to implement, low in equipment requirement and high in controllable degree; and the raw material source is wide, the production cost is low, and the application and popularization value is good.
本发明公开了硅硼氮纤维增强氮化硼陶瓷基复合材料的制备方法及应用，所述的硅硼氮纤维增强氮化硼陶瓷基复合材料包括SiBN纤维预制件和BN陶瓷基体，BN陶瓷基体均匀填充于SiBN纤维预制件的空隙当中。制备方法包括：(1)将SiBN纤维预制件进行排胶热处理；(2)制备SiBNf/BN复合材料中间体；(3)在惰性气体保护下进行除碳处理。本发明所制得的硅硼氮纤维增强氮化硼陶瓷基复合材料力学性能优良、介电性能好、耐温性和耐烧蚀性好；本方法简单易行、对设备要求低，可控程度高；原料来源广泛、生产成本低，具有较好的应用推广价值。
Preparation method and application of silicon-boron-nitrogen fiber reinforced boron nitride ceramic-based composite material
硅硼氮纤维增强氮化硼陶瓷基复合材料的制备方法及应用
HU HAIMING (author) / HU WEI (author) / LIU DI (author) / TANG HAO (author) / ZHOU CHANGTIAN (author) / DU ZHIMING (author) / ZHANG XINNIAN (author) / ZHU JIMIN (author)
2021-07-02
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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