Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Aviation carbon ceramic brake material and preparation method thereof
The invention discloses an aviation carbon-ceramic brake material and a preparation method thereof. The preparation method comprises the following steps: alternately laminating non-woven cloth and thin net felts, and performing primary needling layer by layer to respectively prepare an upper-layer prefabricated body and a lower-layer prefabricated body; then flexible graphite paper is placed between the upper-layer prefabricated body and the lower-layer prefabricated body, a carbon fiber prefabricated body is obtained through secondary needling, the carbon fiber prefabricated body is subjected to resin carbon densification to obtain a C/C blank, the C/C blank is subjected to chemical vapor deposition carbon densification to obtain a C/C porous body, and the C/C porous body is subjected to reactive silicon infiltration to obtain the carbon-ceramic composite material. A coating is arranged on the surface of the carbon-ceramic composite material to obtain the carbon-ceramic composite material containing the coating, the carbon-ceramic composite material containing the coating is machined to obtain the aviation carbon-ceramic brake material, and the aviation carbon-ceramic brake material is high in heat conductivity, free of howling and stable in brake performance.
本发明公开了一种航空碳陶刹车材料及其制备方法，将无纬布与薄型网毡交替层叠并逐层进行第一次针刺分别制得上层预制体、下层预制体；然后将柔性石墨纸置于上层预制体、下层预制体的中间，再经第二次针刺即得碳纤维预制体，将碳纤维预制体先经树脂碳增密获得C/C坯体，C/C坯体经化学气相沉积碳增密获得C/C多孔体，将C/C多孔体经反应熔渗硅获得碳陶复合材料，于碳陶复合材料的表面设置涂层获得含涂层的碳陶复合材料，将含涂层的碳陶复合材料机加工即得航空碳陶刹车材料，本发明所提供的航空碳陶刹车材料导热性高、无啸叫，刹车性能平稳。
Aviation carbon ceramic brake material and preparation method thereof
The invention discloses an aviation carbon-ceramic brake material and a preparation method thereof. The preparation method comprises the following steps: alternately laminating non-woven cloth and thin net felts, and performing primary needling layer by layer to respectively prepare an upper-layer prefabricated body and a lower-layer prefabricated body; then flexible graphite paper is placed between the upper-layer prefabricated body and the lower-layer prefabricated body, a carbon fiber prefabricated body is obtained through secondary needling, the carbon fiber prefabricated body is subjected to resin carbon densification to obtain a C/C blank, the C/C blank is subjected to chemical vapor deposition carbon densification to obtain a C/C porous body, and the C/C porous body is subjected to reactive silicon infiltration to obtain the carbon-ceramic composite material. A coating is arranged on the surface of the carbon-ceramic composite material to obtain the carbon-ceramic composite material containing the coating, the carbon-ceramic composite material containing the coating is machined to obtain the aviation carbon-ceramic brake material, and the aviation carbon-ceramic brake material is high in heat conductivity, free of howling and stable in brake performance.
本发明公开了一种航空碳陶刹车材料及其制备方法，将无纬布与薄型网毡交替层叠并逐层进行第一次针刺分别制得上层预制体、下层预制体；然后将柔性石墨纸置于上层预制体、下层预制体的中间，再经第二次针刺即得碳纤维预制体，将碳纤维预制体先经树脂碳增密获得C/C坯体，C/C坯体经化学气相沉积碳增密获得C/C多孔体，将C/C多孔体经反应熔渗硅获得碳陶复合材料，于碳陶复合材料的表面设置涂层获得含涂层的碳陶复合材料，将含涂层的碳陶复合材料机加工即得航空碳陶刹车材料，本发明所提供的航空碳陶刹车材料导热性高、无啸叫，刹车性能平稳。
Aviation carbon ceramic brake material and preparation method thereof
一种航空碳陶刹车材料及其制备方法
CHEN LINGTAO (Autor:in) / SHEN YISHUN (Autor:in) / XIE JIANWEI (Autor:in) / XIONG JIE (Autor:in) / ZUO JINLYU (Autor:in)
09.02.2024
Patent
Elektronische Ressource
Chinesisch
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