Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Silicon carbide honeycomb ceramic and preparation method thereof
The invention relates to the technical field of ceramics, in particular to a silicon carbide honeycomb ceramic and a preparation method thereof. The preparation method comprises the following steps: uniformly crushing walnut shell carbon powder, silica powder and graphene powder through a ball mill; uniformly stirring walnut shell carbon powder, graphene powder, silicon fluoride, silicon dioxide sol, a pore forming agent and a sintering aid, adding a dispersing agent and an extrusion aid, and stirring to form a mixture; performing extrusion forming and drying to obtain a silicon carbide honeycomb ceramic green body; and heating to 700-800 DEG C at a heating speed of 20-25 DEG C/h, maintaining the temperature for 1-1.5 h, then heating to 1100-1300 DEG C, maintaining the temperature for 1-1.5 h, stopping heating, cooling to 50-60 DEG C, immersing into a resin liquid for 1-1.5 h, taking out, continuously heating to 800-1000 DEG C, and maintaining the temperature for 2.5-3 h to obtain the silicon carbide honeycomb ceramic. The prepared silicon carbide honeycomb ceramic has good toughness.
本发明涉及陶瓷技术领域，具体涉及一种碳化硅蜂窝陶瓷及其制备方法其步骤为：将核桃壳炭粉、硅微粉和石墨烯粉体分别通过球磨机粉碎均匀；将核桃壳炭粉、石墨烯粉体、氟化硅、二氧化硅溶胶、造孔剂、烧结助剂搅拌均匀后，加入分散剂、挤压助剂再进行搅拌，形成混合料；挤压成型，干燥得到碳化硅蜂窝陶瓷坯体；以升温速度20~25℃/h升温至700～800℃，保持1～1.5h，再升温至1100～1300℃保持1~1.5h，停止加热，冷却至50~60℃的温度下，浸入至树脂液中1~1.5h，取出后继续加热至800～1000℃保持2.5~3h，得到碳化硅蜂窝陶瓷。本发明使所制得的碳化硅蜂窝陶瓷具有良好的韧性。
Silicon carbide honeycomb ceramic and preparation method thereof
The invention relates to the technical field of ceramics, in particular to a silicon carbide honeycomb ceramic and a preparation method thereof. The preparation method comprises the following steps: uniformly crushing walnut shell carbon powder, silica powder and graphene powder through a ball mill; uniformly stirring walnut shell carbon powder, graphene powder, silicon fluoride, silicon dioxide sol, a pore forming agent and a sintering aid, adding a dispersing agent and an extrusion aid, and stirring to form a mixture; performing extrusion forming and drying to obtain a silicon carbide honeycomb ceramic green body; and heating to 700-800 DEG C at a heating speed of 20-25 DEG C/h, maintaining the temperature for 1-1.5 h, then heating to 1100-1300 DEG C, maintaining the temperature for 1-1.5 h, stopping heating, cooling to 50-60 DEG C, immersing into a resin liquid for 1-1.5 h, taking out, continuously heating to 800-1000 DEG C, and maintaining the temperature for 2.5-3 h to obtain the silicon carbide honeycomb ceramic. The prepared silicon carbide honeycomb ceramic has good toughness.
本发明涉及陶瓷技术领域，具体涉及一种碳化硅蜂窝陶瓷及其制备方法其步骤为：将核桃壳炭粉、硅微粉和石墨烯粉体分别通过球磨机粉碎均匀；将核桃壳炭粉、石墨烯粉体、氟化硅、二氧化硅溶胶、造孔剂、烧结助剂搅拌均匀后，加入分散剂、挤压助剂再进行搅拌，形成混合料；挤压成型，干燥得到碳化硅蜂窝陶瓷坯体；以升温速度20~25℃/h升温至700～800℃，保持1～1.5h，再升温至1100～1300℃保持1~1.5h，停止加热，冷却至50~60℃的温度下，浸入至树脂液中1~1.5h，取出后继续加热至800～1000℃保持2.5~3h，得到碳化硅蜂窝陶瓷。本发明使所制得的碳化硅蜂窝陶瓷具有良好的韧性。
Silicon carbide honeycomb ceramic and preparation method thereof
一种碳化硅蜂窝陶瓷及其制备方法
ZHANG LIHUI (Autor:in) / TANG XIAOJIE (Autor:in) / YANG FAN (Autor:in) / LU SHENGYAN (Autor:in) / CHEN LIFU (Autor:in) / GUO FUJIE (Autor:in)
16.05.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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