高热导电绝缘氮化铝陶瓷在宇航器件中的应用:概述、挑战和展望

Development on High Thermal Conductive and Electric Insulative AlN Ceramics in Aerospace Devices

氮化铝(AlN)陶瓷具有高热导、高电阻、低介电损耗、低膨胀以及良好的力学性能等特性,可用作高性能导热基板和陶瓷封装材料。本工作评述了AlN粉体及陶瓷的制备技术、性能特性及宇航应用等方面的研究状况,讨论了宇航应用的挑战和启发,进一步对其在空间技术中的应用潜力进行展望。

Aluminum nitrides are considered as high-performance thermal conductive substrate and packaging materials due to the remarkable properties,including high thermal conductivity,high electrical resistivity,low thermal expansion coefficient,low dielectric loss and excellent mechanical properties.This review represented the preparation techniques,properties and applications of AlN powders and ceramics.The challenges and implications for aerospace application were discussed.In addition,their potential applications for spacecraft electronics were also prospected.