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Continuous carbon fiber reinforced ultra-high temperature ceramic matrix composite material and preparation method thereof
The invention discloses a continuous carbon fiber reinforced ultra-high-temperature ceramic matrix composite material and a preparation method thereof.The preparation method comprises the steps that S1, ceramic slurry is prepared; s2, preparing a fiber preform; s3, introducing the ceramic slurry in the step S1 into the central area of the fiber preform in the step S2 in an injection mode, and then performing curing and cracking to prepare a first intermediate; s4, introducing the ceramic slurry in the step S1 into the edge area except the central area of the fiber preform in the step S2 by adopting vacuum impregnation and pressure impregnation modes, and then performing curing and cracking to prepare a second intermediate; and S5, densifying by adopting a precursor impregnation and pyrolysis process, introducing a precursor polymer solution into the second intermediate in an impregnation manner, then carrying out curing and pyrolysis, and converting the second intermediate into a silicon carbide ceramic component, thereby obtaining the densified continuous carbon fiber reinforced ultrahigh-temperature ceramic-based composite material.
本申请公开一种连续碳纤维增强超高温陶瓷基复合材料及其制备方法，其中，所述制备方法，包括：S1：配制得到陶瓷浆料；S2：制备得到纤维预制体；S3：采用注射的方式，将步骤S1中的陶瓷浆料引入到步骤S2中的纤维预制体的中心区域，随后进行固化和裂解，制备得到第一中间体；S4：采用真空浸渍和压力浸渍的方式，将步骤S1中的陶瓷浆料引入到步骤S2中的纤维预制体的除中心区域之外的边缘区域，随后进行固化和裂解，制备得到第二中间体；S5：采用前驱体浸渍裂解工艺致密化，通过浸渍的方式将先驱体聚合物溶液引入第二中间体中，随后进行固化和裂解，将第二中间体转化为碳化硅陶瓷组分，得到致密化的连续碳纤维增强超高温陶瓷基复合材料。
Continuous carbon fiber reinforced ultra-high temperature ceramic matrix composite material and preparation method thereof
The invention discloses a continuous carbon fiber reinforced ultra-high-temperature ceramic matrix composite material and a preparation method thereof.The preparation method comprises the steps that S1, ceramic slurry is prepared; s2, preparing a fiber preform; s3, introducing the ceramic slurry in the step S1 into the central area of the fiber preform in the step S2 in an injection mode, and then performing curing and cracking to prepare a first intermediate; s4, introducing the ceramic slurry in the step S1 into the edge area except the central area of the fiber preform in the step S2 by adopting vacuum impregnation and pressure impregnation modes, and then performing curing and cracking to prepare a second intermediate; and S5, densifying by adopting a precursor impregnation and pyrolysis process, introducing a precursor polymer solution into the second intermediate in an impregnation manner, then carrying out curing and pyrolysis, and converting the second intermediate into a silicon carbide ceramic component, thereby obtaining the densified continuous carbon fiber reinforced ultrahigh-temperature ceramic-based composite material.
本申请公开一种连续碳纤维增强超高温陶瓷基复合材料及其制备方法，其中，所述制备方法，包括：S1：配制得到陶瓷浆料；S2：制备得到纤维预制体；S3：采用注射的方式，将步骤S1中的陶瓷浆料引入到步骤S2中的纤维预制体的中心区域，随后进行固化和裂解，制备得到第一中间体；S4：采用真空浸渍和压力浸渍的方式，将步骤S1中的陶瓷浆料引入到步骤S2中的纤维预制体的除中心区域之外的边缘区域，随后进行固化和裂解，制备得到第二中间体；S5：采用前驱体浸渍裂解工艺致密化，通过浸渍的方式将先驱体聚合物溶液引入第二中间体中，随后进行固化和裂解，将第二中间体转化为碳化硅陶瓷组分，得到致密化的连续碳纤维增强超高温陶瓷基复合材料。
Continuous carbon fiber reinforced ultra-high temperature ceramic matrix composite material and preparation method thereof
一种连续碳纤维增强超高温陶瓷基复合材料及其制备方法
LIU YONGSHENG (author) / WEI GUOXIN (author) / CAO YEJIE (author) / MA PENGCHENG (author)
2024-11-08
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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