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Загальна кількість знайдених документів : 11
Представлено документи з 1 до 11
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Ageev E. V. Hard Alloy Synthesis from Tungsten-containing Electroerosion Powders of Micro- and Nanometric Fractions [Електронний ресурс] / E. V. Ageev, A. V. Kirichek, A. Yu. Altuhov, E. V. Ageeva // Журнал нано- та електронної фізики. - 2014. - Т. 6, № 3. - С. 03001-1-03001-4. - Режим доступу: http://nbuv.gov.ua/UJRN/jnef_2014_6_3_3 The article presents the results of the studies of the composition, structure and properties of the hard alloy produced using hot-pressing technique with the high current passage from the powder produced using electroerosion dispersion of sintered hard alloys wastes in lamp kerosene and distilled water.
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Ageevа E. V. Production of Copper Electroerosion Nanopowders from Wastes in Kerosene Medium [Електронний ресурс] / E. V. Ageevа, E. V. Ageev, N. M. Horyakova, V. S. Malukhov // Журнал нано- та електронної фізики. - 2014. - Т. 6, № 3. - С. 03011-1-03011-3. - Режим доступу: http://nbuv.gov.ua/UJRN/jnef_2014_6_3_13 This article describes the parameters of copper powder materials production from wastes of electrical copper wire using electroerosion dispersion method in kerosene medium. The results of the percentage of the different fractions of the produced copper powder and the study of the shapes of the resulted copper particles are presented.
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Ageev E. V. Studing Tungsten-containing Electroerosion Powders and Alloys Synthesized from Them [Електронний ресурс] / E. V. Ageev, E. V. Ageeva, V. Yu. Karpenko, A. S. Osminina // Журнал нано- та електронної фізики. - 2014. - Т. 6, № 3. - С. 03049-1-03049-3. - Режим доступу: http://nbuv.gov.ua/UJRN/jnef_2014_6_3_51 The results of the X-ray spectral microanalysis of the powder obtained using electroerosion dispersion of tungsten-containing wastes in distilled water, and the alloy powder synthesized from this powder are presented in the article. It is shown that the basic elements both in the powder obtained using electroerosion dispersion of tungsten-containing wastes in distilled water and in the synthesized alloy are tungsten, molybdenum, iron, oxygen and carbon.
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Ageeva E. V. Properties And Characterizations Of Powders Produced From Waste Carbides [Електронний ресурс] / E. V. Ageeva, E. V. Ageev, A. S. Osminina // Journal of Nano- and Electronic Physics. - 2013. - Vol. 5, № 4(1). - С. 04038-1-04038-2. - Режим доступу: http://nbuv.gov.ua/UJRN/jnep_2013_5_4(1)__40 The prospects of using the method for dispersing the EDM carbide nanopowders. It is noted that the evaluation of the effectiveness of their use requires a comprehensive theoretical and experimental studies.
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Ageeva E. V. Wear-resistant Coatings From Electroerosive Micro- and Nanofraction Powders [Електронний ресурс] / E. V. Ageeva, L. P. Kuznetsova, E. V. Ageev, A. Yu. Altukhov, O. V. Vinokurov, V. V. Sirota // Журнал нано- та електронної фізики. - 2015. - Т. 7, № 4. - С. 04038-1-04038-3. - Режим доступу: http://nbuv.gov.ua/UJRN/jnef_2015_7_4_40 The results of studies of relative stability of the cutting tool, restoration and strengthening by electricspark alloying with the using as electrode material the electroerosive tungsten powders are demonstrated. The efficiency of their application is shown.
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Ageeva E. V. X-ray Analisis of the Powder of Micro- and Nanometer Fractions, Obtained from Wastes of Alloy T15K6 in Aqueous Medium [Електронний ресурс] / E. V. Ageeva, E. V. Ageev, S. V. Pikalov, E. A. Vorobiev, A. N. Novikov // Журнал нано- та електронної фізики. - 2015. - Т. 7, № 4. - С. 04058-1-04058-2. - Режим доступу: http://nbuv.gov.ua/UJRN/jnef_2015_7_4_60 The results of conducting X-ray analysis of the powders, obtained by the electroerosive dispersing of hard alloy wastes brand T15K6 in distilled water are presented. It was established experimentally, that the obtained powder particles consist of the following main phases: W, TiC, W2C, WC, Co and CoO.
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Ageev E. V. Electroerosive Powder Obtained from Alloy VK8 Waste into Butanol [Електронний ресурс] / E. V. Ageev, A. Yu. Altukhov, S. V. Khardikov, S. S. Gulidin, A. N. Novikov // Журнал нано- та електронної фізики. - 2015. - Т. 7, № 4. - С. 04080-1-04080-3. - Режим доступу: http://nbuv.gov.ua/UJRN/jnef_2015_7_4_82 The results of studies of the properties of the powders obtained by electroerosive dispersing of the hard alloy wastes of mark VK8 in butanol. It is found that the powder particles obtained by electroerosive dispersing of waste carbide grade VK8 in butyl alcohol, consist of the following major elements: W, Co, Fe, C and O.
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Kovaleva M. G. Deposition of Alumina-titania Nanostructured Coating by a New Multi-chamber Gas-dynamic Accelerator [Електронний ресурс] / M. G. Kovaleva, M. S. Prozorova, M. Yu. Arseenko, M. N. Yapryntsev, K. N. Mamunin, V. V. Sirota, A. Y. Altukhov, E. V. Ageev // Журнал нано- та електронної фізики. - 2016. - Т. 8, № 3. - С. 03018-1-03018-4. - Режим доступу: http://nbuv.gov.ua/UJRN/jnef_2016_8_3_20 The aim of the study was to characterize alumina-titania (Al2O3:Ti wt ratio = 87:13) coatings were deposited by a new multi-chamber gas-dynamic accelerator on a grit blasted steel substrate. The alumina-titania coatings were characterized using scanning electron microscopy. X-ray diffraction techniques and Vickers hardness tester at a test load 200 g. The coating was well-adhered onto corrosion-resistant steel substrate. Obtained coatings possessed a unique microstructure consisting of fully melted regions with the microstructure similar to a typical thermal sprayed lamellar morphology and areas comprising unmelted or partially melted particles. The dense alumina-titania coatings with hardness of 657 ± 70 HV2 and porosity of less than 0,6 % have been prepared by a new multi-chamber gas-dvnamic accelerator.
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Ageev E. V. X-ray Microanalysis of Sintered Nanocomposite Materials from Tungsten-containing Powders [Електронний ресурс] / E. V. Ageev, A. Y. Altukhov, O. G. Loktionova, E. P. Novikov, E. A. Vorobyev // Журнал нано- та електронної фізики. - 2016. - Т. 8, № 3. - С. 03056-1-03056-3. - Режим доступу: http://nbuv.gov.ua/UJRN/jnef_2016_8_3_58 Presents the results of microanalysis of the samples sintered from tungsten-containing powders. It is established that the main elements in the composition of the sintered samples from powders of the tungsten are carbon, iron, tungsten and cobalt.
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Ageev E. V. X-ray Diffraction Analysis of the Chromium-containing Electroerosion Powders of Micro- and Nanoparticles [Електронний ресурс] / E. V. Ageev, A. Y. Altukhov, V. V. Serebrovskii, S. V. Khardikov, A. V. Scherbakov, A. N. Novikov // Журнал нано- та електронної фізики. - 2016. - Т. 8, № 4(1). - С. 04048-1-04048-2. - Режим доступу: http://nbuv.gov.ua/UJRN/jnef_2016_8_4(1)__50 Presents the results of a study of x-ray analysis of the powder obtained by electro erosion dispersing of waste nichrome H15N60 brand in kerosene lighting. The major phases in nickel-chromium powder obtained by electroerosion dispersion method in kerosene lighting are Ni and Si2O.
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Ageev E. V. Investigation of the Phase Composition of Samples Sintered from Tungsten-containing Composite Micro- and Nanopowders [Електронний ресурс] / E. V. Ageev, A. Y. Altukhov, S. V. Khardikov // Журнал нано- та електронної фізики. - 2016. - Т. 8, № 4(2). - С. 04055-1-04055-3. - Режим доступу: http://nbuv.gov.ua/UJRN/jnef_2016_8_4(2)__6 Presents the results of research of phase composition of samples sintered from tungsten-containing composite micro- and nano-powders obtained by mixing a powder VK8 (70 %) and PRS powder (30 %) obtained in kerosene lighting. It is established that the main phase of the sintered sample are the WC and Fe3С.
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