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High-density aluminum nitride ceramic and preparation method thereof
The invention provides high-density aluminum nitride ceramic and a preparation method thereof, and belongs to the technical field of ceramic materials.The preparation method of the aluminum nitride ceramic comprises the steps that S1, nanometer aluminum nitride powder, a sintering aid and a solvent are subjected to ball milling and mixing, and mixed powder is obtained; s2, the mixed powder is subjected to pre-pressing treatment, and a pre-pressed body is obtained; and S3, sintering the pre-pressed body under the action of dynamic pressure and ultrasonic waves to obtain the aluminum nitride ceramic. The preparation method provided by the invention is simple in process, rapid densification of the material at a relatively low temperature can be realized, and the aluminum nitride ceramic with high density, low defect, high strength and high thermal conductivity can be prepared.
本发明提供了一种高致密度氮化铝陶瓷及其制备方法，属于陶瓷材料技术领域，该氮化铝陶瓷的制备方法包括：S1.将纳米氮化铝粉末、烧结助剂和溶剂进行球磨混合，得到混合粉末；S2.将混合粉末进行预压处理，得到预压体；S3.在施加动态压力和超声波作用下，对预压体进行烧结处理，得到氮化铝陶瓷。本发明提供的制备方法工艺简单，可实现材料在较低温度下的快速致密化，可制备得到高密度、低缺陷、高强度、高热导率的氮化铝陶瓷。
High-density aluminum nitride ceramic and preparation method thereof
The invention provides high-density aluminum nitride ceramic and a preparation method thereof, and belongs to the technical field of ceramic materials.The preparation method of the aluminum nitride ceramic comprises the steps that S1, nanometer aluminum nitride powder, a sintering aid and a solvent are subjected to ball milling and mixing, and mixed powder is obtained; s2, the mixed powder is subjected to pre-pressing treatment, and a pre-pressed body is obtained; and S3, sintering the pre-pressed body under the action of dynamic pressure and ultrasonic waves to obtain the aluminum nitride ceramic. The preparation method provided by the invention is simple in process, rapid densification of the material at a relatively low temperature can be realized, and the aluminum nitride ceramic with high density, low defect, high strength and high thermal conductivity can be prepared.
本发明提供了一种高致密度氮化铝陶瓷及其制备方法，属于陶瓷材料技术领域，该氮化铝陶瓷的制备方法包括：S1.将纳米氮化铝粉末、烧结助剂和溶剂进行球磨混合，得到混合粉末；S2.将混合粉末进行预压处理，得到预压体；S3.在施加动态压力和超声波作用下，对预压体进行烧结处理，得到氮化铝陶瓷。本发明提供的制备方法工艺简单，可实现材料在较低温度下的快速致密化，可制备得到高密度、低缺陷、高强度、高热导率的氮化铝陶瓷。
High-density aluminum nitride ceramic and preparation method thereof
一种高致密度氮化铝陶瓷及其制备方法
HAN YAO (author) / ZHANG BINGQING (author) / REN ZHIHENG (author) / DONG HENG (author) / SUN ZHIQIANG (author) / ZHANG JIAN (author) / YU CHANGQING (author)
2023-03-14
Patent
Electronic Resource
Chinese
IPC:
C04B
Kalk
,
LIME
ALUMINUM NITRIDE CERAMIC, AND PREPARATION METHOD THEREOF
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