Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Barium zirconate/magnesium oxide composite ceramic material and preparation method thereof
The invention relates to a barium zirconate/magnesium oxide composite ceramic material and a preparation method thereof. According to the technical scheme, the preparation method comprises the following steps: mixing a barium source and a zirconium source, carrying out dry ball milling, carrying out heat preservation at 1200-1500 DEG C, carrying out furnace cooling, and crushing to obtain pre-sintered barium zirconate powder; mixing the pre-sintered barium zirconate powder and the fused magnesia fine powder to obtain a mixture I; and mixing the fused magnesite particles I and the fused magnesite particles II to obtain a mixture II. And mixing the mixture I and the mixture II to obtain the barium zirconate/magnesium oxide composite ceramic powder. And carrying out mechanical pressing, heating the barium zirconate/magnesium oxide composite ceramic green body to 1500-1600 DEG C under the conditions of air atmosphere and normal pressure, and carrying out heat preservation for 3-5 hours to obtain the barium zirconate/magnesium oxide composite ceramic material. The preparation method is simple in process, short in production period, low in cost and environment-friendly, and the prepared barium zirconate/magnesium oxide composite ceramic material is high in normal-temperature compression strength and low in normal-temperature heat conductivity coefficient.
本发明涉及一种锆酸钡/氧化镁复合陶瓷材料及其制备方法。其技术方案是：将所述钡源和所述锆源混合，干法球磨，1200～1500℃条件下保温，随炉冷却，破碎，得到预烧锆酸钡粉体。将所述预烧锆酸钡粉体和所述电熔镁砂细粉混合，得到混合料Ⅰ。将所述电熔镁砂颗粒Ⅰ和所述电熔镁砂颗粒Ⅱ混合，得到混合料Ⅱ。将所述混合料Ⅰ和所述混合料Ⅱ混合，得到锆酸钡/氧化镁复合陶瓷粉料。机压成型，在空气气氛和常压条件下，将所述锆酸钡/氧化镁复合陶瓷坯体加热至1500～1600℃，保温3～5小时，制得锆酸钡/氧化镁复合陶瓷材料。本发明工艺简单、生产周期短、成本低和环境友好，所制备的锆酸钡/氧化镁复合陶瓷材料常温耐压强度高和常温导热系数低。
Barium zirconate/magnesium oxide composite ceramic material and preparation method thereof
The invention relates to a barium zirconate/magnesium oxide composite ceramic material and a preparation method thereof. According to the technical scheme, the preparation method comprises the following steps: mixing a barium source and a zirconium source, carrying out dry ball milling, carrying out heat preservation at 1200-1500 DEG C, carrying out furnace cooling, and crushing to obtain pre-sintered barium zirconate powder; mixing the pre-sintered barium zirconate powder and the fused magnesia fine powder to obtain a mixture I; and mixing the fused magnesite particles I and the fused magnesite particles II to obtain a mixture II. And mixing the mixture I and the mixture II to obtain the barium zirconate/magnesium oxide composite ceramic powder. And carrying out mechanical pressing, heating the barium zirconate/magnesium oxide composite ceramic green body to 1500-1600 DEG C under the conditions of air atmosphere and normal pressure, and carrying out heat preservation for 3-5 hours to obtain the barium zirconate/magnesium oxide composite ceramic material. The preparation method is simple in process, short in production period, low in cost and environment-friendly, and the prepared barium zirconate/magnesium oxide composite ceramic material is high in normal-temperature compression strength and low in normal-temperature heat conductivity coefficient.
本发明涉及一种锆酸钡/氧化镁复合陶瓷材料及其制备方法。其技术方案是：将所述钡源和所述锆源混合，干法球磨，1200～1500℃条件下保温，随炉冷却，破碎，得到预烧锆酸钡粉体。将所述预烧锆酸钡粉体和所述电熔镁砂细粉混合，得到混合料Ⅰ。将所述电熔镁砂颗粒Ⅰ和所述电熔镁砂颗粒Ⅱ混合，得到混合料Ⅱ。将所述混合料Ⅰ和所述混合料Ⅱ混合，得到锆酸钡/氧化镁复合陶瓷粉料。机压成型，在空气气氛和常压条件下，将所述锆酸钡/氧化镁复合陶瓷坯体加热至1500～1600℃，保温3～5小时，制得锆酸钡/氧化镁复合陶瓷材料。本发明工艺简单、生产周期短、成本低和环境友好，所制备的锆酸钡/氧化镁复合陶瓷材料常温耐压强度高和常温导热系数低。
Barium zirconate/magnesium oxide composite ceramic material and preparation method thereof
一种锆酸钡/氧化镁复合陶瓷材料及其制备方法
LI SHUJING (Autor:in) / WANG JIANING (Autor:in) / LI YUANBING (Autor:in) / QIAO ZHE (Autor:in)
12.04.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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