Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
The invention provides a preparation method of a fiber reinforced ceramic-based composite material, which comprises the following steps: S1) sealing a fiber preform by using a first vacuum bag film, and then sealing by using a second vacuum bag film to obtain a system to be impregnated; s2) placing the to-be-impregnated system in an autoclave, and vacuumizing the to-be-impregnated system; vacuumizing a precursor resin solution, introducing the vacuumized precursor resin solution into the to-be-impregnated system, and starting a pressurization program of the autoclave to perform pressurization impregnation; according to the preparation method provided by the invention, the fiber-reinforced ceramic matrix composite material is prepared by utilizing a combined process of RTM and an autoclave, an impregnation process is optimized, the number of times of a PIP process is reduced, and the purpose of rapidly and efficiently densifying the composite material is achieved.
本发明提供了一种纤维增强陶瓷基复合材料的制备方法，包括以下步骤：S1）将纤维预制体采用第一真空袋膜密封，再采用第二真空袋膜密封，得到待浸渍体系；S2）将所述待浸渍体系放置于热压罐中，将所述待浸渍体系进行抽真空；将前驱体树脂溶液进行抽真空，再将抽真空后的前驱体树脂溶液导入所述待浸渍体系中，开启所述热压罐的加压程序进行加压浸渍；S3）开启升温固化程序进行固化，然后进行热解；S4）依次重复步骤S2）和步骤S3）至少1次。本申请提供的制备方法，利用RTM和热压罐的组合工艺制备了纤维增强陶瓷基复合材料，优化了浸渍工艺，减少了PIP工艺次数，且达到了快速高效致密化复合材料的目的。
The invention provides a preparation method of a fiber reinforced ceramic-based composite material, which comprises the following steps: S1) sealing a fiber preform by using a first vacuum bag film, and then sealing by using a second vacuum bag film to obtain a system to be impregnated; s2) placing the to-be-impregnated system in an autoclave, and vacuumizing the to-be-impregnated system; vacuumizing a precursor resin solution, introducing the vacuumized precursor resin solution into the to-be-impregnated system, and starting a pressurization program of the autoclave to perform pressurization impregnation; according to the preparation method provided by the invention, the fiber-reinforced ceramic matrix composite material is prepared by utilizing a combined process of RTM and an autoclave, an impregnation process is optimized, the number of times of a PIP process is reduced, and the purpose of rapidly and efficiently densifying the composite material is achieved.
本发明提供了一种纤维增强陶瓷基复合材料的制备方法，包括以下步骤：S1）将纤维预制体采用第一真空袋膜密封，再采用第二真空袋膜密封，得到待浸渍体系；S2）将所述待浸渍体系放置于热压罐中，将所述待浸渍体系进行抽真空；将前驱体树脂溶液进行抽真空，再将抽真空后的前驱体树脂溶液导入所述待浸渍体系中，开启所述热压罐的加压程序进行加压浸渍；S3）开启升温固化程序进行固化，然后进行热解；S4）依次重复步骤S2）和步骤S3）至少1次。本申请提供的制备方法，利用RTM和热压罐的组合工艺制备了纤维增强陶瓷基复合材料，优化了浸渍工艺，减少了PIP工艺次数，且达到了快速高效致密化复合材料的目的。
Preparation method of fiber-reinforced ceramic-based composite material
一种纤维增强陶瓷基复合材料的制备方法
07.01.2025
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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