Structural Studies of the “Nitride Coating/Silumin Substrate” System after Pulsed Electron Beam Treatment

IF 0.5 Q4 PHYSICS, CONDENSED MATTER

Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques Pub Date : 2025-03-17 DOI:10.1134/S102745102470191X

O. V. Krysina, Yu. F. Ivanov, N. A. Prokopenko, A. D. Teresov, P. V. Moskvin, E. A. Petrikova, O. S. Tolkachev

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Abstract

The work is aimed to study the features of the formation of the surface layer of samples after combined treatment, including vacuum-arc deposition of titanium nitride coatings on silumin of eutectic composition and subsequent treatment of the “nitride coating/silumin substrate” system with a pulsed electron beam of submillisecond duration. Detailed studies of samples treated with an electron beam according to optimal modes were carried out by the transmission electron microscopy methods. Peculiarities of the structure and phase composition of the system were revealed depending on the electron beam processing mode. The treatment according to the optimal electron beam treatment modes to obtain the surface layer of the “TiN coating/silumin substrate” system with high wear resistance, adhesion and hardness does not exceed the temperature of 1150°C and does not lead to destruction of the coating according to TEM analysis results. The coating consists of nanosized TiN and Ti₂N crystallites, which are combined into columns with subnanometer transverse dimensions. The electron beam treatment of the “TiN coating/silumin substrate” system leads to the formation of a cellular crystallization structure, where aluminum-based cells are separated from each other by silicon-based particles with nano-sized dimensions. The system has high properties: hardness HV ≈ 2 GPa, wear parameter ≈1 × 10^–4 mm³ N^–1 m^–1 and high adhesion strength (L > 2.5 N).

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来源期刊

Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques PHYSICS, CONDENSED MATTER-

CiteScore

0.90

自引率

25.00%

发文量

144

审稿时长

3-8 weeks

期刊介绍： Journal of Surface Investigation: X-ray, Synchrotron and Neutron Techniques publishes original articles on the topical problems of solid-state physics, materials science, experimental techniques, condensed media, nanostructures, surfaces of thin films, and phase boundaries: geometric and energetical structures of surfaces, the methods of computer simulations; physical and chemical properties and their changes upon radiation and other treatments; the methods of studies of films and surface layers of crystals (XRD, XPS, synchrotron radiation, neutron and electron diffraction, electron microscopic, scanning tunneling microscopic, atomic force microscopic studies, and other methods that provide data on the surfaces and thin films). Articles related to the methods and technics of structure studies are the focus of the journal. The journal accepts manuscripts of regular articles and reviews in English or Russian language from authors of all countries. All manuscripts are peer-reviewed.