Abstract
Experiments are performed on a high-current MIG generator (current amplitude 2.5 MA, current rise time 100 ns) to synthesize diamond-like carbon forms. Magnetohydrodynamic calculations carried out before the experiments show that the conditions required for synthesizing diamond-like structures appear during the compression of copper tubes 2–4 mm in diameter filled with graphite. The explosion products are analyzed on an EM-125 diffraction transmission electron microscope. During an explosion, the entire graphite is found to transform into cubic carbon: crystals with the simple cubic lattice and a lattice parameter a = 0.5545 nm and with the face-centered cubic lattice and a = 0.3694 nm are detected. The crystallite size is 5–25 nm.
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Original Russian Text © V.I. Oreshkin, S.A. Chaikovskii, N.A. Labetskaya, Yu.F. Ivanov, K.V. Khishchenko, P.R. Levashov, N.I. Kuskova, A.D. Rud’, 2012, published in Zhurnal Tekhnicheskoi Fiziki, 2012, Vol. 82, No. 2, pp. 41–45.
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Oreshkin, V.I., Chaikovskii, S.A., Labetskaya, N.A. et al. Phase transformations of carbon under extreme energy action. Tech. Phys. 57, 198–202 (2012). https://doi.org/10.1134/S106378421202017X
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DOI: https://doi.org/10.1134/S106378421202017X