Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Superconductive rare earth nano ceramic material and preparation method thereof
The invention discloses a superconductive rare earth nano ceramic material and a preparation method thereof, and belongs to the technical field of ceramic materials, and the superconductive rare earth nano ceramic material comprises the following raw materials in parts by weight: modified silicon dioxide, nano metal oxide, tantalum carbide, cubic boron nitride, aluminum silicate fiber, rare earth oxide and superconductive filler. A preparation process of the modified silicon dioxide comprises the following steps: dissolving silver nitrate and polyvinylpyrrolidone in a suspension containing hollow silicon dioxide microspheres, and adding an ascorbic acid aqueous solution for reaction; centrifugally collecting the hollow silicon dioxide microspheres; and mixing the hollow silicon dioxide microspheres with anhydrous aluminum chloride in an acetone solvent to obtain the modified silicon dioxide. The preparation method of the superconductive rare earth nano ceramic material comprises the following steps: mixing and grinding the raw materials, adding into a container, adding the dispersing agent, stirring and drying; carrying out ball milling, drying, calcining and cooling; the superconductive rare earth nano ceramic material obtained by the invention has good heat conduction efficiency.
本发明公开了一种超导热稀土纳米陶瓷材料及其制备方法，其属于陶瓷材料技术领域，其超导热稀土纳米陶瓷材料包括以下重量份原料：改性二氧化硅、纳米金属氧化物、碳化钽、立方氮化硼、硅酸铝纤维、稀土氧化物和超导热填料。改性二氧化硅的制备工艺如下：将硝酸银和聚乙烯吡咯烷酮溶于含有空心二氧化硅微球的悬浮液中，加入抗坏血酸水溶液反应；离心收集空心二氧化硅微球；将空心二氧化硅微球与无水氯化铝在丙酮溶剂中混合，得到改性二氧化硅。超导热稀土纳米陶瓷材料的制备方法如下：将上述原料混合研磨并加入到容器中，再加入分散剂，搅拌烘干；再球磨、烘干、煅烧、冷却；本发明得到的超导热稀土纳米陶瓷材料具有很好的导热效率。
Superconductive rare earth nano ceramic material and preparation method thereof
The invention discloses a superconductive rare earth nano ceramic material and a preparation method thereof, and belongs to the technical field of ceramic materials, and the superconductive rare earth nano ceramic material comprises the following raw materials in parts by weight: modified silicon dioxide, nano metal oxide, tantalum carbide, cubic boron nitride, aluminum silicate fiber, rare earth oxide and superconductive filler. A preparation process of the modified silicon dioxide comprises the following steps: dissolving silver nitrate and polyvinylpyrrolidone in a suspension containing hollow silicon dioxide microspheres, and adding an ascorbic acid aqueous solution for reaction; centrifugally collecting the hollow silicon dioxide microspheres; and mixing the hollow silicon dioxide microspheres with anhydrous aluminum chloride in an acetone solvent to obtain the modified silicon dioxide. The preparation method of the superconductive rare earth nano ceramic material comprises the following steps: mixing and grinding the raw materials, adding into a container, adding the dispersing agent, stirring and drying; carrying out ball milling, drying, calcining and cooling; the superconductive rare earth nano ceramic material obtained by the invention has good heat conduction efficiency.
本发明公开了一种超导热稀土纳米陶瓷材料及其制备方法，其属于陶瓷材料技术领域，其超导热稀土纳米陶瓷材料包括以下重量份原料：改性二氧化硅、纳米金属氧化物、碳化钽、立方氮化硼、硅酸铝纤维、稀土氧化物和超导热填料。改性二氧化硅的制备工艺如下：将硝酸银和聚乙烯吡咯烷酮溶于含有空心二氧化硅微球的悬浮液中，加入抗坏血酸水溶液反应；离心收集空心二氧化硅微球；将空心二氧化硅微球与无水氯化铝在丙酮溶剂中混合，得到改性二氧化硅。超导热稀土纳米陶瓷材料的制备方法如下：将上述原料混合研磨并加入到容器中，再加入分散剂，搅拌烘干；再球磨、烘干、煅烧、冷却；本发明得到的超导热稀土纳米陶瓷材料具有很好的导热效率。
Superconductive rare earth nano ceramic material and preparation method thereof
一种超导热稀土纳米陶瓷材料及其制备方法
DENG ZHANGSHENG (Autor:in) / XIANG LINGYUN (Autor:in) / PAN ZHENMING (Autor:in) / LIN WUFU (Autor:in)
08.07.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
C04B
Kalk
,
LIME
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