The Effect of Technological Production Conditions on the Ability of AlN-Y2O3-C-Based Composite Materials to Absorb Microwave Radiation

被引：4
|
作者：
Serbenyuk, T. B. [1 ]
Prikhna, T. O. [1 ]
Sverdun, V. B. [1 ]
Sverdun, N., V [1 ]
Chasnyk, V., I [1 ]
Karpets, M., V [1 ]
Kovylyaev, V. V. [1 ]
机构：
[1] Natl Acad Sci Ukraine, Bakul Inst Superhard Mat, UA-04074 Kiev, Ukraine
来源：
JOURNAL OF SUPERHARD MATERIALS | 2020年 / 42卷 / 02期
关键词：
composite; AlN; carbon black; microstructure; microwave radiation; crystal lattice parameters; absorber material;
D O I：
10.3103/S1063457620020100
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
New composite materials based on AlN-Y2O3-C have been created for use as absorbers of microwave radiation in vacuum electronics. X-ray diffraction and structural studies have shown that the major phases in the structure of the composites are AlN (hexagonal and cubic), Y3Al5O12, Al3O4, and C. An increase of time of component mixing and grinding influenced structure formation, promoted an increase in the content of the Al(3)O(4)phase, and led to enhancement of microwave radiation attenuation by the composites (from 6.5 to 7.6 dB), this being indicative of an increase in the absorption capacity of the ceramics obtained.
引用
收藏
页码：90 / 95
页数：6
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