Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of carbon-ceramic brake material
The invention discloses a preparation method of a carbon-ceramic brake material, which comprises the following steps: adding a carbon/carbon green body into an impregnant for impregnation, then carrying out curing and cracking to obtain a carbon/carbon-silicon carbide porous body, and then carrying out reactive silicon infiltration on the carbon/carbon-silicon carbide porous body to obtain the carbon-ceramic brake material. According to the preparation method, the PIP technology and the RMI technology are combined, a carbon/carbon green body is subjected to a one-time PIP technology to form porous silicon carbide filled macropores, meanwhile, the formula of the impregnant is adopted, a silicon carbide matrix formed through cracking is of a discontinuous sheet-shaped porous structure, the carbon/carbon green body is subjected to a one-time PIP technology, the carbon/carbon green body is subjected to a one-time RMI technology, the carbon/carbon green body is subjected to a one-time RMI technology, and the carbon/carbon green body is subjected to a one-time RMI technology to form the porous silicon carbide filled macropores. The preparation method comprises the following steps: preparing a carbon-ceramic brake material by using a hydrothermal method to avoid hole sealing, and densifying the material through RMI reaction infiltration, so that the prepared carbon-ceramic brake material not only can reduce monatomic silicon in the material, but also can increase the content of silicon carbide, increase the friction coefficient and reduce wear.
本发明公开了一种碳陶刹车材料的制备方法，将炭/炭坯体加入浸渍剂中浸渍，再经固化、裂解，获得炭/炭‑碳化硅多孔体，然后再将炭/炭‑碳化硅多孔体，进行反应熔渗硅，即获得碳陶刹车材料，所述浸渍剂由聚甲基硅烷、二乙烯基苯、聚丙烯酸酯组成，本发明的制备方法，结合PIP与RMI技术，先将炭/炭坯体通过一次PIP工艺，形成多孔碳化硅填充大孔，同时采用本发明的浸渍剂的配方，使得所裂解形成的碳化硅基体为不连续的片状多孔结构，避免封孔，再通过RMI反应熔渗使材料致密化，从而使所制备的碳陶刹车材料既可以降低材料内部的单质硅，又可以增加碳化硅含量，增加摩擦系数，降低磨损。
Preparation method of carbon-ceramic brake material
The invention discloses a preparation method of a carbon-ceramic brake material, which comprises the following steps: adding a carbon/carbon green body into an impregnant for impregnation, then carrying out curing and cracking to obtain a carbon/carbon-silicon carbide porous body, and then carrying out reactive silicon infiltration on the carbon/carbon-silicon carbide porous body to obtain the carbon-ceramic brake material. According to the preparation method, the PIP technology and the RMI technology are combined, a carbon/carbon green body is subjected to a one-time PIP technology to form porous silicon carbide filled macropores, meanwhile, the formula of the impregnant is adopted, a silicon carbide matrix formed through cracking is of a discontinuous sheet-shaped porous structure, the carbon/carbon green body is subjected to a one-time PIP technology, the carbon/carbon green body is subjected to a one-time RMI technology, the carbon/carbon green body is subjected to a one-time RMI technology, and the carbon/carbon green body is subjected to a one-time RMI technology to form the porous silicon carbide filled macropores. The preparation method comprises the following steps: preparing a carbon-ceramic brake material by using a hydrothermal method to avoid hole sealing, and densifying the material through RMI reaction infiltration, so that the prepared carbon-ceramic brake material not only can reduce monatomic silicon in the material, but also can increase the content of silicon carbide, increase the friction coefficient and reduce wear.
本发明公开了一种碳陶刹车材料的制备方法，将炭/炭坯体加入浸渍剂中浸渍，再经固化、裂解，获得炭/炭‑碳化硅多孔体，然后再将炭/炭‑碳化硅多孔体，进行反应熔渗硅，即获得碳陶刹车材料，所述浸渍剂由聚甲基硅烷、二乙烯基苯、聚丙烯酸酯组成，本发明的制备方法，结合PIP与RMI技术，先将炭/炭坯体通过一次PIP工艺，形成多孔碳化硅填充大孔，同时采用本发明的浸渍剂的配方，使得所裂解形成的碳化硅基体为不连续的片状多孔结构，避免封孔，再通过RMI反应熔渗使材料致密化，从而使所制备的碳陶刹车材料既可以降低材料内部的单质硅，又可以增加碳化硅含量，增加摩擦系数，降低磨损。
Preparation method of carbon-ceramic brake material
一种碳陶刹车材料的制备方法
CHEN LINGTAO (Autor:in) / SHEN YISHUN (Autor:in) / XIONG JIE (Autor:in) / ZUO JINLYU (Autor:in)
03.02.2023
Patent
Elektronische Ressource
Chinesisch
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