摘要
Si_3N_4陶瓷具有优异的力学性能和导热性能,然而其固有的高硬度和脆性极大地限制了其加工性能。通过添加导电相改善Si3N4陶瓷的导电性能可实现对Si_3N_4陶瓷的电火花加工。添加的导电相主要包括钛基化合物(TiN、TiC、TiC N、TiB_2)、锆基化合物(Zr B_2、Zr N)和MoSi_2等导电陶瓷以及碳纳米管(CNT)、碳纳米纤维(CNF)、石墨烯纳米片(GNP)等导电碳基纳米材料。本论文详细回顾了Si_3N_4基导电陶瓷的研究进展,并对今后Si_3N_4基导电陶瓷的发展趋势进行了展望。
Si3N4 ceramics have excellent mechanical and thermal properties. However, its high hardness and brittleness limited the machinability. The addition of conductive phase could improve electrical conductivity of Si3N4 ceramics, making it easy to be machined using electrical discharge machining. The conductive phases generally used include Ti-based compounds（TiN, TiC, TiC N, TiB2）, Zr-based compounds（ZrB2, Zr N）, Mo Si2, carbon nanotube（CNT）, carbon nanofiber（CNF）, and graphene nanoplatelet（GNP）. This paper reviewed in detail the research progress electroconductive Si3N4-based ceramics, and forecasted the development in the future.
出处
《现代技术陶瓷》
CAS
2016年第2期94-106,共13页
Advanced Ceramics
基金
国家自然科学基金青年基金项目(51402055)
关键词
Si3N4基陶瓷
导电陶瓷
碳基纳米材料
Si3N4-based ceramics
Electroconductive ceramics
Carbon-based nanomaterials
