Electrodynamic Properties of AlN–C and AlN–C–Mo Composites Produced by Pressureless Sintering

IF 1.2 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Journal of Superhard Materials Pub Date : 2024-10-27 DOI:10.3103/S1063457624050083

T. B. Serbeniuk, T. O. Prikhna, V. V. Zagorodnii, V. B. Sverdun, V. V. Oliynyk, M. V. Karpets, V. E. Moshchil, S. S. Ponomaryov

引用次数: 0

Abstract

The study is devoted to the electrodynamic properties of composite materials based on AlN–5 wt % C (carbon black) or AlN–5 wt % C (diamond powder) and 5% molybdenum in the frequency range of 1–10 GHz. The materials were obtained by free sintering at a temperature of 1850°C. The results demonstrate that the real and imaginary parts of the relative permittivity of the composites containing carbon black and diamond powder with molybdenum at a frequency of 10 GHz are ɛ' ≈ 16.1, ɛ'' ≈ 4.3 and ɛ' ≈ 9.3, ɛ'' ≈ 0.7.

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无压烧结法制备的 AlN-C 和 AlN-C-Mo 复合材料的电动特性

本研究专门探讨了基于 AlN-5 wt % C（炭黑）或 AlN-5 wt % C（金刚石粉末）和 5% 钼的复合材料在 1-10 GHz 频率范围内的电动特性。这些材料是在 1850°C 温度下通过自由烧结获得的。结果表明，在 10 GHz 频率下，含碳黑和金刚石粉与钼的复合材料的相对介电常数的实部和虚部分别为：ɛ' ≈ 16.1, ɛ'' ≈ 4.3 和 ɛ' ≈ 9.3, ɛ''≈0.7。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Superhard Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

1.80

自引率

66.70%

发文量

审稿时长

2 months

期刊介绍： Journal of Superhard Materials presents up-to-date results of basic and applied research on production, properties, and applications of superhard materials and related tools. It publishes the results of fundamental research on physicochemical processes of forming and growth of single-crystal, polycrystalline, and dispersed materials, diamond and diamond-like films; developments of methods for spontaneous and controlled synthesis of superhard materials and methods for static, explosive and epitaxial synthesis. The focus of the journal is large single crystals of synthetic diamonds; elite grinding powders and micron powders of synthetic diamonds and cubic boron nitride; polycrystalline and composite superhard materials based on diamond and cubic boron nitride; diamond and carbide tools for highly efficient metal-working, boring, stone-working, coal mining and geological exploration; articles of ceramic; polishing pastes for high-precision optics; precision lathes for diamond turning; technologies of precise machining of metals, glass, and ceramics. The journal covers all fundamental and technological aspects of synthesis, characterization, properties, devices and applications of these materials. The journal welcomes manuscripts from all countries in the English language.