Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Silicon carbide fiber sintered ceramic and preparation method thereof
The invention discloses a silicon carbide fiber sintered ceramic and a preparation method thereof, the silicon carbide fiber sintered ceramic comprises hexagonal prism-shaped silicon carbide fibers and a graphite interface layer, the graphite layer is uniformly filled in the hexagonal prism-shaped silicon carbide fibers, and the graphite layer and the hexagonal prism-shaped silicon carbide fibers form a completely compact structure. The preparation method mainly comprises the following two steps: firstly, preparing a graphite interface layer on the surface of the silicon carbide fiber through an in-situ synthesis technology; and laying the silicon carbide fiber with the graphite layer in a graphite mold, and carrying out hot pressed sintering in an inert atmosphere to finally obtain the silicon carbide fiber sintered ceramic. The silicon carbide fiber sintered ceramic has the characteristics of high fiber content, high density, high strength and the like, and the preparation method has the characteristics of simple and controllable process, low cost and the like, and has a wide development prospect.
本发明公开了一种碳化硅纤维烧结陶瓷及其制备方法，该碳化硅纤维烧结陶瓷包含六棱柱状碳化硅纤维和石墨界面层，其中石墨层均匀填充在六棱柱状碳化硅纤维中间，两者形成完全致密结构。所述制备方法主要包括两步：首先通过原位自生技术在碳化硅纤维表面制备石墨界面层；然后将带有石墨层的碳化硅纤维在石墨模具中铺排，并在惰性气氛中进行热压烧结，最终得到所述碳化硅纤维烧结陶瓷。该碳化硅纤维烧结陶瓷具有纤维含量高、致密度高、强度高等特性，该制备方法具有工艺简单可控、成本低等特点，发展前景广阔。
Silicon carbide fiber sintered ceramic and preparation method thereof
The invention discloses a silicon carbide fiber sintered ceramic and a preparation method thereof, the silicon carbide fiber sintered ceramic comprises hexagonal prism-shaped silicon carbide fibers and a graphite interface layer, the graphite layer is uniformly filled in the hexagonal prism-shaped silicon carbide fibers, and the graphite layer and the hexagonal prism-shaped silicon carbide fibers form a completely compact structure. The preparation method mainly comprises the following two steps: firstly, preparing a graphite interface layer on the surface of the silicon carbide fiber through an in-situ synthesis technology; and laying the silicon carbide fiber with the graphite layer in a graphite mold, and carrying out hot pressed sintering in an inert atmosphere to finally obtain the silicon carbide fiber sintered ceramic. The silicon carbide fiber sintered ceramic has the characteristics of high fiber content, high density, high strength and the like, and the preparation method has the characteristics of simple and controllable process, low cost and the like, and has a wide development prospect.
本发明公开了一种碳化硅纤维烧结陶瓷及其制备方法，该碳化硅纤维烧结陶瓷包含六棱柱状碳化硅纤维和石墨界面层，其中石墨层均匀填充在六棱柱状碳化硅纤维中间，两者形成完全致密结构。所述制备方法主要包括两步：首先通过原位自生技术在碳化硅纤维表面制备石墨界面层；然后将带有石墨层的碳化硅纤维在石墨模具中铺排，并在惰性气氛中进行热压烧结，最终得到所述碳化硅纤维烧结陶瓷。该碳化硅纤维烧结陶瓷具有纤维含量高、致密度高、强度高等特性，该制备方法具有工艺简单可控、成本低等特点，发展前景广阔。
Silicon carbide fiber sintered ceramic and preparation method thereof
一种碳化硅纤维烧结陶瓷及其制备方法
WANG SONG (Autor:in) / XU ZHIMING (Autor:in) / YIN SENHU (Autor:in) / YU YIPING (Autor:in) / LI WEI (Autor:in)
11.10.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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