Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Preparation method of high-strength and high-toughness layered composite ceramic
The invention discloses a preparation method of high-strength and high-toughness layered composite ceramic, which comprises the following specific steps: uniformly mixing ceramic matrix powder, a sintering aid, a modifier, a dispersant, a binder, a solvent, a plasticizer and a defoamer, carrying out ball milling for 1-48h, and carrying out vacuum defoaming on the ball-milled slurry in a vacuum defoaming machine for 10-180min to prepare matrix layer ceramic slurry; and uniformly mixing the interface layer powder, a sintering aid, a modifier, a dispersing agent, a binder, a solvent, a plasticizer and a defoaming agent, carrying out ball milling for 1-48h, and carrying out vacuum defoaming on the ball-milled slurry in a vacuum defoaming machine for 10-180min to prepare interface slurry. According to the invention, the laminar composite ceramic prepared by utilizing a process of combining a tape-casting lamination technology, interface layer punching, warm-pressing molding and hot-pressingsintering has high toughness and high strength.
本发明公开一种高强度、高韧性层状复相陶瓷的制备方法，包括以下具体步骤：将陶瓷基体粉体、烧结助剂、改性剂、分散剂、粘结剂、溶剂、增塑剂、消泡剂混合均匀并球磨1～48h，然后将球磨后的浆料在真空除泡机中进行真空除泡10～180min制备成基体层陶瓷浆料；将界面层粉体、烧结助剂、改性剂、分散剂、粘结剂、溶剂、增塑剂、消泡剂混合均匀并球磨1～48h，然后将球磨后的浆料在真空除泡机中进行真空除泡10～180min制备成界面浆料；本发明利用流延叠层技术、界面层打孔、温压成型及热压烧结相结合的工艺制备出层状复相陶瓷具有高韧性、高强度。
Preparation method of high-strength and high-toughness layered composite ceramic
The invention discloses a preparation method of high-strength and high-toughness layered composite ceramic, which comprises the following specific steps: uniformly mixing ceramic matrix powder, a sintering aid, a modifier, a dispersant, a binder, a solvent, a plasticizer and a defoamer, carrying out ball milling for 1-48h, and carrying out vacuum defoaming on the ball-milled slurry in a vacuum defoaming machine for 10-180min to prepare matrix layer ceramic slurry; and uniformly mixing the interface layer powder, a sintering aid, a modifier, a dispersing agent, a binder, a solvent, a plasticizer and a defoaming agent, carrying out ball milling for 1-48h, and carrying out vacuum defoaming on the ball-milled slurry in a vacuum defoaming machine for 10-180min to prepare interface slurry. According to the invention, the laminar composite ceramic prepared by utilizing a process of combining a tape-casting lamination technology, interface layer punching, warm-pressing molding and hot-pressingsintering has high toughness and high strength.
本发明公开一种高强度、高韧性层状复相陶瓷的制备方法，包括以下具体步骤：将陶瓷基体粉体、烧结助剂、改性剂、分散剂、粘结剂、溶剂、增塑剂、消泡剂混合均匀并球磨1～48h，然后将球磨后的浆料在真空除泡机中进行真空除泡10～180min制备成基体层陶瓷浆料；将界面层粉体、烧结助剂、改性剂、分散剂、粘结剂、溶剂、增塑剂、消泡剂混合均匀并球磨1～48h，然后将球磨后的浆料在真空除泡机中进行真空除泡10～180min制备成界面浆料；本发明利用流延叠层技术、界面层打孔、温压成型及热压烧结相结合的工艺制备出层状复相陶瓷具有高韧性、高强度。
Preparation method of high-strength and high-toughness layered composite ceramic
一种高强度、高韧性层状复相陶瓷的制备方法
XIONG LIJUN (Autor:in) / WU GUOPING (Autor:in) / XIE FANGMIN (Autor:in) / HONG YUZHE (Autor:in) / QI MINGJIE (Autor:in) / YU MINGLIANG (Autor:in) / YANG LIANJIANG (Autor:in) / GUO DAIDONG (Autor:in) / CAI NINGNING (Autor:in) / FANG YOUXIANG (Autor:in)
23.02.2021
Patent
Elektronische Ressource
Chinesisch
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