Phase formation and structural changes in the chromium-silicon system exposed to compressed plasma fluxes |
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| Authors: | V. V. Uglov N. T. Kvasov Yu. A. Petukhov V. M. Astashinskii A. M. Kuz’minskii |
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| Affiliation: | (1) Neocera LLC, 10000 Virginia Manor Road, suite 300, 20705 Beltsville, MD, USA;(2) Neocera, LLC, 10000 Virginia Manor Road #300, Beltsville, MD, USA;(3) Neocera LLC, 10000 Virginia Manor Road, 20705 Beltsville, MD, USA |
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| Abstract: | The results of the study of structural and phase transformations in the silicon substrate-chromium coating system exposed to compression plasma fluxes with power densities of 0.3–1.2 GW/m2 are discussed. The formation of hexagonal chromium disilicide and an amorphous phase, the growth of silicon dendrites, and the appearance of a chromium-enriched near-surface layer are revealed effects. The mechanisms of structural and phase transformations caused by rapid cooling of a mixed melt and concentration overcooling during solidification are analyzed. |
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