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2018

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vol. 16 / 

Issue 2

 



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Yu. E. Grabovskiy, M. A. Zabolotnyy, L. I. Aslamova, A. L. Maystrenko, and V. G. Kulich
«X-Ray Structural Analysis of Protective Elements with SiC»
333–345 (2018)

PACS numbers: 61.05.cf, 61.05.cp, 62.23.Pq, 81.05.Je, 81.70.Bt, 83.80.Ab, 83.85.Hf

The work is concerned with the study of physical regularities, which determine the connection between the mechanical-strength and phase-structural properties of functional silicon-carbide elements. The objects of the study are elements of protective modules with a density of 2.9–3.15 g/cm3. The phase composition of the samples is monitored using the DRON-3M diffractometer. As established, the density of self-bonded silicon-carbide samples depends on their phase composition and the range of sizes of regions of coherent scattering of x-rays varies with both the sample density and the polytype nature. As shown, during dynamic loads, the strongest products of SiC are products containing areas with both cubic and hexagonal gratings, with a significant relative difference in the sizes of the x-ray diffraction regions.

Keywords: silicon carbide, density, x-rays, diffraction, Williamson–Hall method, dynamic loading, strength

https://doi.org/10.15407/nnn.16.02.333

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