Investigation of the Resistance of K-208 Glass with Optically Transparent Al–Si–N Nanocomposite Coatings to High-Speed Microparticle Impact


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Results of studying the structural-phase state and mechanical properties of Al–Si–N coatings fabricated by pulsed magnetron sputtering on a K-208 glass substrate are presented. By the method of X-ray diffraction analysis it has been found that the Al–Si–N coatings with a thickness of 6 μm contain nanoscale hexagonal close-packed (HCP) AlN crystallites. Sputtering of the Al–Si–N coatings allows the nanohardness of the surface layer of the K-208 glass samples to be increased up to 30 GPa and a high level of elastic properties (We ≈ 70%) to be maintained. For the examined samples, laboratory tests on the impact of high-speed flows of iron microparticles on the Al–Si–N protective coatings fabricated by the method of pulsed magnetron sputtering have been performed. It is established that sputtering of the Al–Si–N protective coatings with a thickness of 6 μm allows the resistance of the K-208 glass samples to the impact of iron particles accelerated up to 8 km/s to be increased by a factor of 2.8.

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I. Bozhko

Institute of Strength Physics and Materials Science of the Siberian Branch of the Russian Academy of Sciences; National Research Тomsk Polytechnic University

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Email: bozhko_irina@mail.ru
俄罗斯联邦, Tomsk; Tomsk

E. Sungatulina

Institute of Strength Physics and Materials Science of the Siberian Branch of the Russian Academy of Sciences

Email: bozhko_irina@mail.ru
俄罗斯联邦, Tomsk

M. Kalashnikov

Institute of Strength Physics and Materials Science of the Siberian Branch of the Russian Academy of Sciences; National Research Тomsk Polytechnic University

Email: bozhko_irina@mail.ru
俄罗斯联邦, Tomsk; Tomsk

M. Fedorishcheva

Institute of Strength Physics and Materials Science of the Siberian Branch of the Russian Academy of Sciences

Email: bozhko_irina@mail.ru
俄罗斯联邦, Tomsk

V. Sergeev

Institute of Strength Physics and Materials Science of the Siberian Branch of the Russian Academy of Sciences; National Research Тomsk Polytechnic University

Email: bozhko_irina@mail.ru
俄罗斯联邦, Tomsk; Tomsk

Yu. Khristenko

National Research Тomsk Polytechnic University; Scientific Research Institute of Applied Mathematics and Mechanics affiliated to National Research Tomsk State University

Email: bozhko_irina@mail.ru
俄罗斯联邦, Tomsk; Tomsk

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