Search Results - "Chumakov, A N"

Thermodynamic and lattice parameter calculation of TiCx produced from Al-Ti-C powders by laser igniting self-propagating high-temperature synthesis by LI, Y. X, HU, J. D, WANG, H. Y, GUO, Z. X, CHUMAKOV, A. N

“…TiCx has been formed by self-propagating high-temperature synthesis (SHS) from elemental powder mixtures with a range of C/Ti ratios. The combusting behavior…”
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Microstructure and Properties of Thin Films of Zirconium Produced by High-Frequency Laser Deposition by Bosak, N. A., Chumakov, A. N., Baran, L. V., Malyutina-Bronskaya, V. V., Ivkovich, M., Sakan, N., Ivanov, A. A.

“…Nanostructured thin films on a silicon substrate were obtained by high-frequency periodic pulse f ~ 6–10 kHz action of laser radiation with wavelength λ =…”
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Coronavirus and Globalization: Knowledge vs Concept by Chumakov, A. N., Yurchenko, P. S.

“…The coronavirus pandemic has generated a lot of talk about the post-coronavirus future of the world community and has drawn close attention to the…”
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Microstructure and Properties of Y0.1Sr0.9CoO3–x Thin Films Produced by High-Frequency Laser Deposition by Bosak, N. A., Chumakov, A. N., Bushinsky, M. V., Chobot, G. M., Baran, L. V., Shevchenok, A. A., Malyutina-Bronskaya, V. V., Ivanov, A. A.

“…Nanostructured thin films on a silicon substrate were obtained by high-frequency pulse-periodic ( f ~ 8–10 kHz) action of a laser with wavelength λ = 1.064 μm…”
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Effect of Longitudinal Magnetic Field on the Spread of Erosion Laser Plasma in Vacuum and Generation of Plasma Magnetic Fields by Chumakov, A. N., Chekan, P. V.

“…Dynamics of erosion laser plasma in vacuum and generation of magnetic field by moving plasma (in particular, in the presence of external static magnetic field…”
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A study on microstructures and properties of P/M valve seats of hot forging by laser irradiation by Liu, Shuangyu, Hu, Jiandong, Wang, Hongying, Guo, Zuoxing, Yu, Cai, Chumakov, A.N., Bosak, A.

“…A CO 2 laser was used as heating source for hot forging. Powder/metallurgy (P/M) valve seats for car engine was studied by this novel process. The effects of…”
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Near-Surface Plasma Formed by Dual-Pulse Laser Action at Two Wavelengths on Titanium in Air by Chumakov, A. N., Bosak, N. A., Ivanov, A. A.

“…Spectra and structures of near-surface plasma torches were studied experimentally by measuring the specific mass loss and plume luminosity caused by dual-pulse…”
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Optical Characteristics of Metallic Nanoparticles During Melting by Laser Radiation by Pustovalov, V. K., Chumakov, A. N.

“…The cross sections and efficiencies of absorption, scattering, and attenuation of laser light with λ = 532 nm and in the 475–625 nm range for two-layered…”
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Surface Morphology and Optical and Electrophysical Properties of La0.4Ba0.6CoO3 Films Obtained by Laser Deposition by Bosak, N. A., Chumakov, A. N., Bushinsky, M. V., Chobot, G. M., Baran, L. V., Shevchenok, A. A., Malyutina-Bronskaya, V. V., Ivanov, A. A.

“…Nanostructured thin films on a silicon substrate were obtained by high-frequency repetitively pulsed (f ~ 10–15 kHz) laser action with a wavelength of 1.064 μm…”
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Optical and Electrophysical Properties of Thin Zinc Oxide Films Doped with Manganese Oxide and Obtained by Laser Deposition by Bosak, N. A., Chumakov, A. N., Shevchenok, A. A., Baran, L. V., Karoza, A. G., Malutina-Bronskaya, V. V., Ivanov, A. A.

“…Nanostructured thin films on a silicon substrate were obtained on a ceramic of zinc oxide doped with manganese oxide by high-frequency periodic pulsed laser…”
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Near-surface Plasma Formation in Air under Action of Two Laser Pulses at Two Wavelengths on Titanium in the Air by Chumakov, A. N., Bosak, N. A., Ivanov, A. A.

“…The spectra and structure of the near-surface plasma formation were experimentally investigated with a two-pulse laser effect at wavelengths of 532 and 1064 nm…”
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Near-Surface Plasma Formation in Air with Exposure to Dual Laser Pulses at Two Wavelengths by Chumakov, A. N., Bosak, N. A., Panina, A. V.

“…We have experimentally studied the spectra and structure of a near-surface plasma and measured the recoil impulses when brass and graphite targets are exposed…”
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Optical and Electrophysical Properties of Thin Zinc Oxide Films Doped with Scandium and Obtained by Laser Deposition by Bosak, N. A., Chumakov, A. N., Shevchenok, A. A., Baran, L. V., Karoza, A. G., Malutina-Bronskaya, V. V., Raichenok, T. F., Sugak, M. G.

“…Nanostructured thin films on a silicon substrate were obtained by high-frequency pulse-periodic laser action (f ~ 10–15 kHz) with wavelength λ = 1.064 μm and…”
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Multipulse nanosecond laser modification of steel surface by Chumakov, A N, Nikonchuk, I S, Gakovi, B, Petrovi, S, Trtica, M

“…Results of surface modification are presented for MnNiCrMo-steel samples exposed to a Nd:YAG laser operating in a pulse-periodic mode (10 Hz frequency, 532 nm…”
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Laser (a pulsed Nd:YAG) cladding of AZ91D magnesium alloy with Al and Al2O3 powders by Liu, Y H, Guo, Z X, Yang, Y, Wang, H Y, Hu, J D, Li, Y X, Chumakov, A N, Bosak, N A

“…The laser surface cladding of an AZ91D magnesium alloy with Al and Al2O3 powders was investigated using a pulsed Nd:YAG laser. The optimum ratio of Al to Al2O3…”
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Efficiency of the upper molars distalization by means of custom-made appliances by Bobrov, D V, Chumakov, A N, Al'-Zrir, O

“…The paper describes an original design of appliance for distalization of maxillary molars; it's principle of work; comparison with the available conventional…”
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Micro processing on Cr films by Nd:YAG pulsed laser oxidation method by Guo, Zuoxing, Hu, Jiandong, Lian, Jianshe, Chumakov, A.N.

“…The surface oxidation of Cr films by Nd:YAG pulsed laser was studied using a combination of SEM, FESEM, AFM and XRD. The oxide growth is near homogeneous by…”
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Evaluation of clinical efficiency of various space maintainers in premature loss of deciduous molars by Davydov, B N, Bakernikova, T M, Lavrikov, V G, Chumakov, A N

“…The paper presents the results of two years observation of clinical application of three variants of space maintainers in early primary molars loss. Sixty-five…”
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Accumulation morphology on the surface of stainless steel irradiated by a nanosecond Nd:YAG pulsed laser by Liu, Y.H., Hu, J.D., Zhao, L., Guo, Z.X., Chumakov, A.N., Bosak, N.A.

“…In this study, results in the irradiation of stainless steel AISI 304 in air with nanosecond laser pulses at laser irradiation power density 4×10 7 W/cm 2 are…”
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Prevalence of dentition defects among pre-school children of Tver region according to epidemiological study by Beliaev, V V, Bobrov, D V, Chumakov, A N, Al'-Zrir, O, Él'-Aĭdi, M A

“…Epidemiological dental study of 724 pre-school children in Tver region revealed high prevalence of dentition defects due to premature removal of temporary…”
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