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Preparation method of silicon carbide fiber reinforced silicon carbide ceramic-based composite material
The invention belongs to the field of composite material preparation, and relates to a preparation method of a silicon carbide fiber reinforced silicon carbide ceramic matrix composite material. The method utilizes an automatic numerical control sewing system to realize automatic sewing of a two-dimensional SiC fiber preform, and adopts a precursor infiltration pyrolysis (PIP) process to prepare atwo-dimensional SiC/SiC composite material. By accurately controlling the tension of the suture lines, the laminated SiC fiber woven fabric is successfully sewn by using the SiC fibers. Compared witha conventional manual sewing method, the method can remarkably improve the sewing efficiency, quality and stability of the two-dimensional laminated SiC fiber woven fabric, and greatly reduces the preparation period and cost of the prefabricated body; meanwhile, SiC fibers are introduced between layers of the composite material, so the layering risk in the technological process can be reduced, and the interlayer mechanical property of the two-dimensional SiC/SiC composite material is effectively improved.
本发明属于复合材料制备领域，涉及一种碳化硅纤维增强碳化硅陶瓷基复合材料的制备方法，利用自动化数控缝合系统实现二维SiC纤维预制体的自动化缝合，并采用先驱体浸渍裂解(PIP)工艺制备成二维SiC/SiC复合材料。本发明通过精确控制缝合线的张力，成功地使用SiC纤维缝合叠层的SiC纤维机织布。相比于传统的手工缝合方法，能显著提高二维叠层SiC纤维机织布的缝合效率、质量及稳定性，大大降低了预制体制备的周期和成本；同时在复合材料层间引入SiC纤维可降低工艺过程中分层的风险，有效提高二维SiC/SiC复合材料的层间力学性能。
Preparation method of silicon carbide fiber reinforced silicon carbide ceramic-based composite material
The invention belongs to the field of composite material preparation, and relates to a preparation method of a silicon carbide fiber reinforced silicon carbide ceramic matrix composite material. The method utilizes an automatic numerical control sewing system to realize automatic sewing of a two-dimensional SiC fiber preform, and adopts a precursor infiltration pyrolysis (PIP) process to prepare atwo-dimensional SiC/SiC composite material. By accurately controlling the tension of the suture lines, the laminated SiC fiber woven fabric is successfully sewn by using the SiC fibers. Compared witha conventional manual sewing method, the method can remarkably improve the sewing efficiency, quality and stability of the two-dimensional laminated SiC fiber woven fabric, and greatly reduces the preparation period and cost of the prefabricated body; meanwhile, SiC fibers are introduced between layers of the composite material, so the layering risk in the technological process can be reduced, and the interlayer mechanical property of the two-dimensional SiC/SiC composite material is effectively improved.
本发明属于复合材料制备领域，涉及一种碳化硅纤维增强碳化硅陶瓷基复合材料的制备方法，利用自动化数控缝合系统实现二维SiC纤维预制体的自动化缝合，并采用先驱体浸渍裂解(PIP)工艺制备成二维SiC/SiC复合材料。本发明通过精确控制缝合线的张力，成功地使用SiC纤维缝合叠层的SiC纤维机织布。相比于传统的手工缝合方法，能显著提高二维叠层SiC纤维机织布的缝合效率、质量及稳定性，大大降低了预制体制备的周期和成本；同时在复合材料层间引入SiC纤维可降低工艺过程中分层的风险，有效提高二维SiC/SiC复合材料的层间力学性能。
Preparation method of silicon carbide fiber reinforced silicon carbide ceramic-based composite material
一种碳化硅纤维增强碳化硅陶瓷基复合材料的制备方法
QIU HAIPENG (author) / LIU SHIJIAN (author) / LIU SHANHUA (author) / XIE WEIJIE (author) / CHEN MINGWEI (author) / MA XIN (author)
2020-12-15
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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