Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Layered ceramic and preparation method thereof
The invention provides layered ceramic and a preparation method thereof, and relates to the technical field of tough ceramic materials, the layered ceramic comprises matrix layer materials and interface materials, the matrix layer materials and the interface materials are alternately laid layer by layer, the preparation method comprises the following steps: (1) preparing the matrix layer materials: mixing silicon nitride, titanium nitride and a sintering aid, and carrying out ball milling; (2) preforming: alternately laying the matrix layer material and the interface layer material in the step (1) layer by layer in a mold, and prepressing and forming; and (3) spark plasma sintering is conducted, specifically, the formed sample obtained in the step (2) and a mold are sintered together, and the sintering conditions are that the nitrogen atmosphere is adopted, the temperature ranges from 1900 DEG C to 2000 DEG C, and the time ranges from 20 min to 40 min. The method has the beneficial effects of adjusting the ceramic structure and improving the toughness of the ceramic material.
本发明提供层状陶瓷及其制备方法，涉及韧性陶瓷材料技术领域，层状陶瓷包括基体层材料与界面材料，所述基体层材料与所述界面材料一层一层交替铺排，制备方法包括以下步骤：(1)制备基体层材料：混合氮化硅、氮化钛和烧结助剂，进行球磨；(2)预成型：将步骤(1)中的基体层材料与界面层材料在模具中一层一层地交替铺排，预压成型；(3)放电等离子烧结：将步骤(2)的得到成型样品与模具共同进行烧结，烧结条件为：氮气氛围，温度1900℃～2000℃，时间20～40min。本发明具有调整陶瓷结构，提高陶瓷材料韧性的有益效果。
Layered ceramic and preparation method thereof
The invention provides layered ceramic and a preparation method thereof, and relates to the technical field of tough ceramic materials, the layered ceramic comprises matrix layer materials and interface materials, the matrix layer materials and the interface materials are alternately laid layer by layer, the preparation method comprises the following steps: (1) preparing the matrix layer materials: mixing silicon nitride, titanium nitride and a sintering aid, and carrying out ball milling; (2) preforming: alternately laying the matrix layer material and the interface layer material in the step (1) layer by layer in a mold, and prepressing and forming; and (3) spark plasma sintering is conducted, specifically, the formed sample obtained in the step (2) and a mold are sintered together, and the sintering conditions are that the nitrogen atmosphere is adopted, the temperature ranges from 1900 DEG C to 2000 DEG C, and the time ranges from 20 min to 40 min. The method has the beneficial effects of adjusting the ceramic structure and improving the toughness of the ceramic material.
本发明提供层状陶瓷及其制备方法，涉及韧性陶瓷材料技术领域，层状陶瓷包括基体层材料与界面材料，所述基体层材料与所述界面材料一层一层交替铺排，制备方法包括以下步骤：(1)制备基体层材料：混合氮化硅、氮化钛和烧结助剂，进行球磨；(2)预成型：将步骤(1)中的基体层材料与界面层材料在模具中一层一层地交替铺排，预压成型；(3)放电等离子烧结：将步骤(2)的得到成型样品与模具共同进行烧结，烧结条件为：氮气氛围，温度1900℃～2000℃，时间20～40min。本发明具有调整陶瓷结构，提高陶瓷材料韧性的有益效果。
Layered ceramic and preparation method thereof
层状陶瓷及其制备方法
QIAO ZHUHUI (Autor:in) / SHEN XINGHUA (Autor:in) / TANG HUAGUO (Autor:in) / YU YUAN (Autor:in) / LI TONGYANG (Autor:in) / WANG LUJIE (Autor:in)
07.01.2025
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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