Full
CHEN Naichao (1994—), male, Doctoral candidate. E-mail: 12131001@mail.sustech.edu.cn
Outline
Microwave dielectric ceramics are widely used as dielectric materials in passive devices of the internet of things, industrial internet, 5G communications, and global satellite communication systems. This review introduced the densify mechanism and process parameters of cold sintering process. The main material systems and devices of cold sintered microwave dielectric ceramics were summarized. The main challenges and prospections of cold sintered microwave dielectric ceramics were pointed out. Cold sintering process has some advantages of low sintering temperature (<300 ℃), co-firing heterogeneous materials, small grain size difference before and after sintering, simple preparation process, energy saving and environmental protection, etc., which has potential applications in multi-layer co-fired ceramics and microwave system integration.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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