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Article
Investigation of the Effect of Nanosecond Laser Pulses Processing on the Microstructure and Fatigue Resistance of Commercially Pure Titanium
The effect has been studied of treatment with nanosecond laser pulses on the fatigue resistance of plate samples of recrystallized (grain size of the order of 2–3 pm) commercially pure titanium (grade VT1-0) u...
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Article
Effects of COVID-19 on the Course of Epilepsy
A comparative analysis of two case histories showing the effects of COVID-19 and immunization with the Sputnik V vaccine on the dynamics of epilepsy is presented. The study was part of the “Epilepsy and COVID-...
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Article
Open AccessSurface Structuring and Reverse Deposition of Nanoporous Titanium Oxides by Laser Ablation of Titanium in Air
The deposition of titanium oxides during titanium laser ablation in air has been experimentally and numerically investigated. A titanium sample was irradiated by nanosecond pulses from an Yb-fiber laser with ...
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Article
Laser Formation and Influence of Laser Radiation on Basic Characteristics of Barcodes
An analysis of the advantages of laser marking is carried out in comparison with other methods of forming a given surface relief of structural materials, forming barcodes, and reading them. The necessary condi...
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Article
Studying the Influence of Nanosecond Pulsed Laser Action on the Structure of Submicrocrystalline Titanium
Microstructure of a thin (1–2 μm thick) subsurface layer of VT1-0 titanium alloy in the initial submicrocrystalline state and upon the action of nanosecond pulsed laser radiation has been studied by methods of...
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Article
A Study of the Influence of Irradiation of Carbon Diamond-Like Coatings with Nanosecond Laser Pulses on Their Structural-Phase Composition and Tribological Properties
Using the methods of Raman spectroscopy, optical metallography and scanning electron microscopy, combined with the measurements of tribological characteristics, special aspects of the formation of microrelief ...
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Article
Laser decoration of precious metals
A technique for the laser coloration of precious metals is described that is based on the oxidation of a titanium film deposited on the surface of a metal. When laser radiation acts on the film, it is heated a...
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Article
Evolution of thin silver films under exposure to laser pulses in the air
The process of formation and the characteristics of silver nanostructures created by pulsed laser annealing in the air are studied. Nanoparticles were obtained by way of irradiating thin silver films (62 and 1...
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Article
Influence of light incident angle on reflectance spectra of metals processed by color laser marking technology
A comparison of oxide films formed on the stainless steel surface during laser and furnace heating is presented. Obtained samples were examined by optical and scanning electron microscopy. In order to characte...
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Article
Generation of web-like structures and nanoparticles by femtosecond laser ablation of silicon target in ambient air
Silicon nanoparticles were produced by femtosecond laser ablation in ambient air. Obtained samples were studied using dark-field optical microscopy, scanning electron microscopy and Raman-scattering spectrosco...
