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Fiber-reinforced silicon carbide composite material and preparation method thereof
The invention relates to the technical field of composite materials, and particularly provides a fiber-reinforced silicon carbide composite material and a preparation method thereof. The preparation method comprises the following steps: preparing a premixed solution; preparing slurry; preparing a PyC interface layer; performing vacuum pressure impregnation; preparing a fiber-reinforced silicon carbide biscuit; preparing a fiber-reinforced silicon carbide carbon blank; impregnating and cracking the silicon carbide precursor; according to the preparation method, the production cycle of the product can be shortened, in-situ curing of the silicon carbide particles is achieved, and the silicon carbide particles are dispersed into the gel casting premixed liquid and evenly dispersed into the fiber preform in a vacuum pressurization state; the silicon carbide particles are wrapped by a polymer network generated during gel curing, and meanwhile, the silicon carbide particles can be partially and uniformly dispersed in the fiber prefabricated body.
本发明涉及复合材料技术领域，具体提供一种纤维增强碳化硅复合材料及制备方法；制备方法包括步骤：预混液制备；浆料制备；PyC界面层制备；真空加压浸渍；纤维增强碳化硅素坯制备；纤维增强碳化硅碳坯制备；碳化硅前驱体浸渍裂解；本发明的制备方法能够缩短产品的生产周期，实现碳化硅颗粒的原位固化，将碳化硅颗粒分散到凝胶注模预混液中，并在真空加压的状态下均匀分散到纤维预制体内部；凝胶固化时产生的高分子网络将碳化硅颗粒包裹起来，同时能在纤维预制体内部分散均匀。
Fiber-reinforced silicon carbide composite material and preparation method thereof
The invention relates to the technical field of composite materials, and particularly provides a fiber-reinforced silicon carbide composite material and a preparation method thereof. The preparation method comprises the following steps: preparing a premixed solution; preparing slurry; preparing a PyC interface layer; performing vacuum pressure impregnation; preparing a fiber-reinforced silicon carbide biscuit; preparing a fiber-reinforced silicon carbide carbon blank; impregnating and cracking the silicon carbide precursor; according to the preparation method, the production cycle of the product can be shortened, in-situ curing of the silicon carbide particles is achieved, and the silicon carbide particles are dispersed into the gel casting premixed liquid and evenly dispersed into the fiber preform in a vacuum pressurization state; the silicon carbide particles are wrapped by a polymer network generated during gel curing, and meanwhile, the silicon carbide particles can be partially and uniformly dispersed in the fiber prefabricated body.
本发明涉及复合材料技术领域，具体提供一种纤维增强碳化硅复合材料及制备方法；制备方法包括步骤：预混液制备；浆料制备；PyC界面层制备；真空加压浸渍；纤维增强碳化硅素坯制备；纤维增强碳化硅碳坯制备；碳化硅前驱体浸渍裂解；本发明的制备方法能够缩短产品的生产周期，实现碳化硅颗粒的原位固化，将碳化硅颗粒分散到凝胶注模预混液中，并在真空加压的状态下均匀分散到纤维预制体内部；凝胶固化时产生的高分子网络将碳化硅颗粒包裹起来，同时能在纤维预制体内部分散均匀。
Fiber-reinforced silicon carbide composite material and preparation method thereof
纤维增强碳化硅复合材料及制备方法
ZHANG WEI (author) / ZHANG GE (author) / GUO CONGHUI (author) / BAO JIANXUN (author) / CUI CONGCONG (author)
2024-05-28
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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