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Preparation method for low-temperature sintering of high-thermal-conductivity AlN ceramic
The invention relates to a preparation method for low-temperature sintering of a high-thermal-conductivity AlN ceramic The invention aims to find the optimal preparation process of an AlN ceramic so as to meet the actual production requirements of the AlN ceramic. The method comprises the following steps: 1, preparing a sintering aid; 2, carrying out ball milling treatment on aluminum nitride and the sintering aid according to a ball-to-material ratio of (10-30): 1 for 1-14 hours; 3, drying the powder obtained in the step 2, putting the dried powder into a mold, and keeping the powder in a sintering furnace at a certain temperature and a certain pressure for a certain time; and 4, cooling and demolding to obtain the high-thermal-conductivity ceramic sheet. The AlN ceramic prepared by the method has the advantages of low cost, simplicity in operation, high strength and the like.
一种高导热AlN陶瓷低温烧结的制备方法。本发明为了寻找AlN陶瓷最佳的制备工艺，以满足AlN陶瓷实际生产的需要。本方法如下：一、助烧剂的制备，二、将氮化铝和助烧剂进行球磨处理，球料比为10～30:1，球磨时间1～14h；三、将步骤二所得粉体烘干后，放入模具中，在烧结炉中一定温度、一定压力下保持一定时间；四、冷却后脱模即得高导热陶瓷片。本发明制备的AlN陶瓷成本低，操作简单，强度高等优点。
Preparation method for low-temperature sintering of high-thermal-conductivity AlN ceramic
The invention relates to a preparation method for low-temperature sintering of a high-thermal-conductivity AlN ceramic The invention aims to find the optimal preparation process of an AlN ceramic so as to meet the actual production requirements of the AlN ceramic. The method comprises the following steps: 1, preparing a sintering aid; 2, carrying out ball milling treatment on aluminum nitride and the sintering aid according to a ball-to-material ratio of (10-30): 1 for 1-14 hours; 3, drying the powder obtained in the step 2, putting the dried powder into a mold, and keeping the powder in a sintering furnace at a certain temperature and a certain pressure for a certain time; and 4, cooling and demolding to obtain the high-thermal-conductivity ceramic sheet. The AlN ceramic prepared by the method has the advantages of low cost, simplicity in operation, high strength and the like.
一种高导热AlN陶瓷低温烧结的制备方法。本发明为了寻找AlN陶瓷最佳的制备工艺，以满足AlN陶瓷实际生产的需要。本方法如下：一、助烧剂的制备，二、将氮化铝和助烧剂进行球磨处理，球料比为10～30:1，球磨时间1～14h；三、将步骤二所得粉体烘干后，放入模具中，在烧结炉中一定温度、一定压力下保持一定时间；四、冷却后脱模即得高导热陶瓷片。本发明制备的AlN陶瓷成本低，操作简单，强度高等优点。
Preparation method for low-temperature sintering of high-thermal-conductivity AlN ceramic
一种高导热AlN陶瓷低温烧结的制备方法
LIU GANG (author) / WEN BOCHENG (author) / YANG ZHITAO (author) / LI WENQUAN (author) / YANG WENLONG (author) / XIA XUE (author) / XU KE (author)
2021-10-08
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
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