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Aluminum oxide ceramic material and preparation method thereof
The invention discloses an aluminum oxide ceramic material and a preparation method thereof. The preparation method comprises the following specific steps of adding nano carbon material particles into an ammonia water solution, and carrying out ultrasonic dispersion to obtain a nano carbon material suspension, performing water bath, dropwise adding 20-40 parts by mass of the nano carbon material suspension into 100 parts by mass of an aluminum salt solution, and meanwhile, performing uniform magnetic stirring to obtain a mixed liquid, standing and aging, centrifugally separating, drying a centrifugal product, heating and preserving heat to prepare nano core-shell structure particles, and adding aluminum oxide micro powder and a binding agent, uniformly mixing in a planetary ball mill, carrying out isostatic compaction to obtain a green body, drying, heating and carrying out heat preservation to obtain the aluminum oxide ceramic material. The prepared aluminum oxide ceramic material has the advantages of light weight, good mechanical property and low volume density.
本发明公开了一种氧化铝陶瓷材料及其制备方法，所述制备方法的具体步骤如下：将纳米碳材料颗粒加入到氨水溶液中，超声分散得到纳米碳材料悬浮液；水浴，将20‑40质量份的上述纳米碳材料悬浮液逐滴加入至100质量份的铝盐溶液中，同时磁力搅拌均匀，得到混合液体；静置陈化，离心分离，将离心产物干燥，升温并保温，制得纳米核壳结构颗粒；加入氧化铝微粉、结合剂在行星球磨机中混合均匀，等静压成型，得到生坯，干燥，升温并保温得到氧化铝陶瓷材料。本发明制备的氧化铝陶瓷材料具有轻量、力学性能好和体积密度较低的优点。
Aluminum oxide ceramic material and preparation method thereof
The invention discloses an aluminum oxide ceramic material and a preparation method thereof. The preparation method comprises the following specific steps of adding nano carbon material particles into an ammonia water solution, and carrying out ultrasonic dispersion to obtain a nano carbon material suspension, performing water bath, dropwise adding 20-40 parts by mass of the nano carbon material suspension into 100 parts by mass of an aluminum salt solution, and meanwhile, performing uniform magnetic stirring to obtain a mixed liquid, standing and aging, centrifugally separating, drying a centrifugal product, heating and preserving heat to prepare nano core-shell structure particles, and adding aluminum oxide micro powder and a binding agent, uniformly mixing in a planetary ball mill, carrying out isostatic compaction to obtain a green body, drying, heating and carrying out heat preservation to obtain the aluminum oxide ceramic material. The prepared aluminum oxide ceramic material has the advantages of light weight, good mechanical property and low volume density.
本发明公开了一种氧化铝陶瓷材料及其制备方法，所述制备方法的具体步骤如下：将纳米碳材料颗粒加入到氨水溶液中，超声分散得到纳米碳材料悬浮液；水浴，将20‑40质量份的上述纳米碳材料悬浮液逐滴加入至100质量份的铝盐溶液中，同时磁力搅拌均匀，得到混合液体；静置陈化，离心分离，将离心产物干燥，升温并保温，制得纳米核壳结构颗粒；加入氧化铝微粉、结合剂在行星球磨机中混合均匀，等静压成型，得到生坯，干燥，升温并保温得到氧化铝陶瓷材料。本发明制备的氧化铝陶瓷材料具有轻量、力学性能好和体积密度较低的优点。
Aluminum oxide ceramic material and preparation method thereof
一种氧化铝陶瓷材料及其制备方法
FU LYUPING (author) / TANG SHAOPENG (author) / GU HUAZHI (author) / HUANG AO (author) / ZHANG MEIJIE (author)
2021-07-13
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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