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Journal articles on the topic 'Hard alloy VK6'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Anikin, V. N., S. A. Yeremin, E. S. Potapova, et al. "Stabilization of microhardness of hard alloy VK6 cutting plates modified by fast electrons by cryoprocessing." NOVYE OGNEUPORY (NEW REFRACTORIES), no. 12 (January 23, 2020): 47–50. http://dx.doi.org/10.17073/1683-4518-2019-12-47-50.

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The study is devoted to the effect cryoprocessing has on the stabilization of VK6 (hard alloy) after irradiation with fast electrons with energy of 5 MeV. To investigate samples with a close microstructure characteristics, a measurement of a structure-sensitive property -- co-effective force -- was held. It was shown that the treatment of VK6 hard alloy with fast electron irradiation increases its microhardness by 30 % in comparison with the original samples without any irradiation. It was found out that the microhardness of VK6 hard alloy samples after treatment with fast electrons depends on

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2

Grigoriev, Sergey N., N. M. Bobrovskij, P. A. Melnikov, I. N. Bobrovskij, and Tadeusz Zaborowski. "Research of Tool Durability in Surface Plastic Deformation by Wide Burnishing of Cast Iron without Metalworking Fluids." Key Engineering Materials 746 (July 2017): 120–25. http://dx.doi.org/10.4028/www.scientific.net/kem.746.120.

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The hyper productive surface plastic deformation processing technology called as wide burnishing (WB) was developed in Russian Federation. The mechanics of new WB technology is different from the classic SPD technologies (rolling or burnishing). For example applied force during processing of burnishing is 150-300 N, of WB is 2500-5000 N due to condition of process implementation in mass production with limited processing time (3-4 turnovers of workpiece). WB also has a high degree of deformation due to a multiple deformation passes. The purpose of the study was to determine the durability of a

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3

Sevidova, Elena, Oleksandr Shelkovyi, Aleksandr Rudnev, and Yuriy Gutsalenko. "EXPERIMENTAL STUDIES OF TEMPERATURE OF DIAMOND GRINDING OF HEAVYLY PROCESSED MATERIALS WITH SOLID LUBRICATION." Bulletin of the National technical university "Kharkiv Polytechnic Institute" Series: Techniques in a machine industry, no. 2 (October 2, 2022): 72–78. http://dx.doi.org/10.20998/2079-004x.2022.2(6).10.

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The influence of hard lubrication on the processes of diamond grinding (DG) and diamond spark grinding (DSG) of hard-working materials - hard alloy VK6, titanium alloy VT22 and heat-resistant stainless steel 10H11N23T3MP was studied. The conditions of the performed experimental researches are described. The evaluation was performed according to the parameters of the surface roughness parameter Ra of the postcontact temperature Tpk. It was found that the use of solid lubricants (SL) based on stearic acid (65%) and molybdenum disulfide (35%) reduces 1.4… 2.1 times post-contact temperature and ro

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4

Hasanov, Magomediemin, Aleksandr Rudnev, Oleksii Kotliar, Oksana Titarenko, and Dmytro Kulina. "INVESTIGATION OF THE INFLUENCE OF DIAMOND WHEEL GRAIN SIZE ON GRINDING PERFORMANCE." Bulletin of the National technical university "Kharkiv Polytechnic Institute" Series: Techniques in a machine industry, no. 1(11) (July 9, 2025): 117–27. https://doi.org/10.20998/2079-004x.2025.1(11).14.

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The results of research on the impact of three types of diamond wheels with different grain sizes on grinding efficiency and the final outcome have been analyzed, taking into account various transverse feeds. The test surfaces were selected from among hard-to-machine materials used in the production and repair of strategically important equipment: VK6 hard alloy, VT22 titanium alloy, and heat-resistant dispersion-hardened high-alloy stainless steel 10Kh11N23T3MR. Grinding was carried out using a solid lubricant. The findings confirm that the correct choice of diamond wheel grain size, whether

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5

Bogodukhov, S. I., E. S. Kozik, and E. V. Svidenko. "Study into the effect of thermochemical treatment on VK6 and VK15 hard alloy performance." Izvestiya vuzov Poroshkovaya metallurgiya i funktsional’nye pokrytiya, no. 1 (March 17, 2021): 60–70. http://dx.doi.org/10.17073/1997-308x-2021-1-60-70.

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6

Brover, G. I., and E. E. Shcherbakova. "Structural organization and properties of surface layers of WC–Co hard alloys after pulsed laser processing." Izvestiya. Ferrous Metallurgy 66, no. 2 (2023): 177–83. http://dx.doi.org/10.17073/0368-0797-2023-2-177-183.

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The article presents the metal-physical studies results of the structure formation effects in surface layers in the hard alloys of the WC–Co system under extreme thermal and deformation effects of pulsed laser radiation. It is shown that the structural organization and properties of hard alloys VK6, VK8, VK10 upon radiation treatment with a power density of 175 MW/m2 are determined by state of the zones which are formed around carbide inclusions due to the various kinds of stresses appearance at the “carbide-bond” composition boundaries, including thermostrictive and phase stresses. The result

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7

Markelova, O., V. Koshuro, A. Fomin, A. Aman, and S. Palis. "Study of hardness and morphology of carbide coatings obtained on complex shaped steel items by electro-spark alloying." Journal of Physics: Conference Series 2086, no. 1 (2021): 012188. http://dx.doi.org/10.1088/1742-6596/2086/1/012188.

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Abstract The work investigated the possibility of forming carbide coatings by electrospark alloying on steel products of complex shape. It has been established that electrospark alloying at an AC current of 1.0 to 4.5 A makes it possible to form coatings of hard carbide alloy VK6 and T15K6 characterized by microhardness up to 11.5 GPa and by hardness HRA 86.6 and 81.5 with the nitial hardness of the steel product HRA 80.3.

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8

Anikin, V. N., S. A. Yeremin, E. S. Potapova, et al. "Stabilization of the Microhardness of Hard Alloy VK6 Cutting Plates Modified by Fast Electrons by Cryoprocessing." Refractories and Industrial Ceramics 60, no. 6 (2020): 627–29. http://dx.doi.org/10.1007/s11148-020-00418-y.

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9

Glushko, S. P. "Investigation of the electrospark coating, alloying and strengthening technology." Advanced Engineering Research 21, no. 3 (2021): 253–59. http://dx.doi.org/10.23947/2687-1653-2021-21-3-253-259.

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Introduction. The work objectives were the analysis and application of the technology of electrospark deposition of wear-resistant metal coatings on cutting tools or machine parts for their hardening or dimensional restoration.Materials and Methods. The technology, device and principle of operation of the modernized installation intended for electric spark application of wear-resistant metal coatings with composites T15K6, VK8 and VK6 are considered.Results. To determine the parameters of the upgraded electrospark alloying plant, experiments were carried out on hardening of polished samples ma

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10

Soshina, Tatyana O., and Daria S. Mezentseva. "Effect of technological parameters of the process of pulsed magnetron sputtering on the structure and phase composition on TiN-based coatings." Yugra State University Bulletin 19, no. 1 (2023): 111–19. http://dx.doi.org/10.18822/byusu202301111-119.

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Subject of research: coatings based on TiN deposited by pulsed magnetron sputtering have been studied. Purpose of research: is to establish the effect of technological parameters of the process of pulsed magnetron sputtering: the discharge current and the N2 content in the vacuum chamber on the structure and phase composition of coatings based on TiN. Methods and objects of research: the phase composition and structural characteristics of the TiN-based coating were studied in the course of X-ray diffraction and X-ray phase analysis of coatings. The microstructure of the formed coat

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11

Pinakhin, I. A., V. A. Chernigovskii, A. A. Bratsikhin, M. A. Yagmurov, and Kh R. Sugarov. "Investigation into Physicomechanical Properties of VK6, VK8, and T5K10 Hard Alloys after Volumetric Pulsed Laser Hardening." Inorganic Materials 54, no. 15 (2018): 1487–90. http://dx.doi.org/10.1134/s0020168518150177.

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12

Haponova, Oksana, Viacheslav Tarelnyk, Natalia Tarelnyk, Gennadiy Laponog, and Dmytro Torhachov. "Increasing the hydroabrasive wear resistance of surfaces by combined methods based on electrospark alloying and laser treatment." Technical sciences and technologies, no. 1 (39) (May 22, 2025): 22–31. https://doi.org/10.25140/2411-5363-2025-1(39)-22-31.

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Combined technologies based on electrospark alloying (ESA), such as sequential ESA followed by laser treatment (LT), are used to improve ESA and increase efficiency of the process. Вevelopment of integrated methods for synthesis of coatings is relevant because it allows the quality of the surface layers to be improved and the service life of critical machine parts to be extended. In the literature, combination of electrical impact on the surface with subsequent application of metal-polymer materials (MPM) is proposed. The ESA + MPM technology makes it possible to obtain the required height of

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13

Pinahin, I. A., V. A. Chernigovskij, A. A. Bracihin, and M. A. Yagmurov. "Improvement of wear resistance of VK6, VK8, T5K10, and T15K6 hard alloys by volume pulsed laser hardening." Journal of Friction and Wear 36, no. 4 (2015): 330–33. http://dx.doi.org/10.3103/s1068366615040145.

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14

Bogodukhov, S. I., E. S. Kozik, and E. V. Svidenko. "Influence of thermal cycling modes on VK8 hard alloy mechanical and tribological properties." Izvestiya vuzov. Poroshkovaya metallurgiya i funktsional’nye pokrytiya, no. 4 (December 15, 2020): 55–65. http://dx.doi.org/10.17073/1997-308x-2020-4-55-65.

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Hard alloys are popular materials widely used in the toolmaking industry. Refractory carbides included in their composition make carbide tools very hard (80 to 92 HRA) and heat-resistant (800 to 1000 °С) so as they can be used at cutting speeds several times higher than those used for high-speed steels. However, hard alloys differ from the latter by lower strength (1000 to 1500 MPa) and the absence of impact strength, and this constitutes an urgent problem. We studied the influence of thermal cycling modes on the mechanical and tribological properties of VK8 (WC–8Co) hard alloy used in the man

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15

Bogoduhov, S. I., E. S. Kozik, and E. B. Shvidenko. "Influence of the Salt Bath Deoxidation Degree on Change in Hard Alloys Properties during Heat Treatment." Materials Science Forum 992 (May 2020): 556–60. http://dx.doi.org/10.4028/www.scientific.net/msf.992.556.

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Performance characteristics of hard-alloy tools are largely depends on the structure. The hard-alloy tool structure can be influenced by various factors. The main factors influencing the structure and properties of hard alloys at heat treatment are ВаCl2 salt bath deoxidation degree, heating temperature, holding time, rate of cooling and cooling medium, temperatures and holding time. Oxidation at temperatures more than 500-600оС and relatively low thermal conductivity of λ = 27.214 W/(m×K) are characteristic for hard alloys under heating.In this regard, it became necessary to study the salt ba

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16

Fominoff, Evgeniy V., Constantine G. Shuchev, Igor A. Khozyaev, Yuriy A. Tsarev, and Viktor B. Rykov. "Tribological properties of experimental hard alloys in conditions of friction on structural steel without lubricant." MATEC Web of Conferences 226 (2018): 01006. http://dx.doi.org/10.1051/matecconf/201822601006.

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Tribological properties of the experimental grades of high entropy hard alloys with modified binding phase on cobalt, which are characterized by minimal value of absolute t.m.f. to carbide phase, were experimentally investigated. It was established experimentally that new grades obtain better friction characteristics in comparison with the base alloy grade VK8 because friction processes of these materials in contact with structural steels are characterized by lower friction forces and lower temperatures in the friction zones. The ‘third body’ which is thicker than for the base alloy grade VK8,

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17

Bogodukhov, S. I., E. S. Kozik, and E. V. Svidenko. "Structure formation of hard alloy vk8 during laser machining." Tsvetnye Metally, no. 7 (July 31, 2024): 74–79. http://dx.doi.org/10.17580/tsm.2024.07.10.

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18

Bogodukhov, S. I., E. A. Shein, and K. A. Golyavin. "Structure of sintered hard alloy VK8 after heat treatment." Metal Science and Heat Treatment 51, no. 9-10 (2009): 454–58. http://dx.doi.org/10.1007/s11041-010-9192-y.

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19

Boiko, V. F., and S. V. Nikolenko. "Semiempirical description of grinding kinetics of hard alloy VK8." Powder Metallurgy and Metal Ceramics 46, no. 5-6 (2007): 261–65. http://dx.doi.org/10.1007/s11106-007-0042-4.

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20

Kuptsov, S. G., M. V. Fominykh, D. V. Mukhinov, R. S. Magomedova, E. A. Nikonenko, and V. P. Pleshchev. "Spark alloying of VK8 and T15K6 hard alloys." Russian Metallurgy (Metally) 2015, no. 8 (2015): 666–67. http://dx.doi.org/10.1134/s003602951508008x.

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21

Bogodukhov, S. I., E. S. Kozik, and E. V. Svidenko. "Effect of heating VK and TK group hard alloys in various media on surface quality." Izvestiya Vuzov. Tsvetnaya Metallurgiya (Universities' Proceedings Non-Ferrous Metallurgy) 28, no. 6 (2022): 71–80. http://dx.doi.org/10.17073/0021-3438-2022-6-71-80.

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The studies carried out to explore the modifying effect on the surface of a hard alloy, surface alloying and thermochemical treatment of metal, thermal diffusion saturation, vacuum ion-plasma deposition demonstrated changes in surface roughness and performance. This paper used roughness to evaluate the behavior of various hard alloy groups when heated in various media. The samples were 5× 5× 35 mm bars and 15.8 ×15.8 mm tetrahedral plates made of VK8 and T14K8 hard alloys. Surface roughness parameters were measured on the profilometer implementing the contact (probe) method. Roughness values o

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22

Ageeva, E. V., A. Yu Altukhov, and E. P. Novikov. "MICROANALYSIS OF ELECTROSPARK COATINGS BASED ON ELECTROEROSION POWDERS." Proceedings of the Southwest State University 21, no. 3 (2017): 34–40. http://dx.doi.org/10.21869/2223-1560-2017-21-3-34-40.

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The development of modern engineering requires improvement of quality, reliability and durability of parts, assemblies and mechanisms. One of the efficient ways to solve these problems is to applyf functional coatings obtained by the method of electric-spark alloying (ESA). Main electrode materials are mostly sintered hard alloys, which cost due to expensive tungsten in them is relatively high. To solve this problem, a VK8 (90%) hard alloy powder (as a main part) and 10% of high speed steel powder, Gr. R6M5 are proposed to be used as an electrode material. One of the promising methods to produ

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23

Grigor’ev, S. V., Yu A. Kolubaeva, and Yu F. Ivanov. "Electron-beam modification of VK8 hard alloy: Resulting surface relief." Steel in Translation 38, no. 2 (2008): 119–20. http://dx.doi.org/10.3103/s0967091208020071.

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24

Kozik, E. S., and E. V. Svidenko. "Influence of hardening on mechanical properties of hard alloy VK8." Tsvetnye Metally, no. 6 (June 30, 2024): 47–52. http://dx.doi.org/10.17580/tsm.2024.06.06.

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25

Fominov, Evgeny, Constantine Shuchev, Victoria Sukhomlinova, Oksana Pyatnitzkaya, and Aleksey Barkov. "Thermodynamic foundations of the rational cutting modes choice under conditions of machining." E3S Web of Conferences 389 (2023): 01063. http://dx.doi.org/10.1051/e3sconf/202338901063.

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Durability and tribological tests of standard grades of high-speed steels and experimental single-carbide hard alloys with modified cobalt binder, created on the basis of the standard VK8 grade, under conditions of friction and turning of structural steels 45 and 12Х18Н10Т were carried out. The experiments were carried out for various cutting speeds and friction in order to determine the dependence of the optimal modes from the point of view of reducing the wear rate for cutting materials with different structural and thermodynamic characteristics. It has been experimentally established that h

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26

Tsybriy, I. K., I. L. Vialikov, and V. I. Ignatenko. "Data measurement system for non-destructive quality testing of hard alloys." Vestnik of Don State Technical University 18, no. 4 (2019): 421–25. http://dx.doi.org/10.23947/1992-5980-2018-18-4-421-425.

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Introduction. It is known that the quality of products from sintered hardmetals, if the fabrication technique is not violated, is determined by the phase composition and an average grain size of the carbide phase. However, hard alloys have a disadvantage inherent in all products of powder metallurgy - the inhomogeneity of the structure and the corresponding variation of properties. Traditional methods of monitoring the structure and phase composition according to the results of selective destructive tests prevent from receiving quality data under the production conditions and do not guarantee

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27

Kuznetsova, L. P., K. Yu Kuznetsov, V. I. Kolmykov, A. S. Pereverzev, and B. A. Semenikhin. "Strengthening the cutter body of a road milling machine by applying an electrospark coating based on VK8 hard alloy." Proceedings of the Southwest State University. Series: Engineering and Technology 14, no. 4 (2024): 47–59. https://doi.org/10.21869/2223-1528-2024-14-4-47-59.

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The purpose of the study. Development of a technological process for strengthening the body of a road milling cutter by applying an electric spark coating based on VK8 alloy.Methods. Modern techniques and equipment were used to achieve the set goal. The coatings were applied to pre-prepared samples made from the cutter of the KZTS A6/20 road milling machine using the UR-121 electric spark alloying unit.Technological parameters: anode - cutter tip (VK8 hard alloy); cathode - cutter body (structural alloy steel); sparking voltage 70 V; operating temperature 18-20°C; NORMA process mode 100 Hz; vi

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28

Mokritskiy, B. Y., and E. S. Sitamov. "Tool Materials for Turning Specialized Stainless Steels." Proceedings of Higher Educational Institutions. Маchine Building, no. 2 (731) (February 2021): 3–8. http://dx.doi.org/10.18698/0536-1044-2021-2-3-8.

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The article considers the issues of increasing the tool durability when turning specialized hard-to-work corrosion-resistant stainless steels 09Kh17N7Yu, 12Kh18N10T and 13Kh15N5AM3 with standard replaceable carbide tip. To develop recommendations for reducing tool consumption, a number of experimental and simulation studies was performed. The simulation was performed in the Deform software for three parameters: temperature, stress, and strain. The simulation results are compared with the operational parameters (wear of the tool material). Simulation was performed for ten different coatings on

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29

Bogodukhov, S. I., E. S. Kozik, and E. V. Svidenko. "Influence of Thermal Cycling Modes on VK8 Hard Alloy Mechanical and Tribological Properties." Russian Journal of Non-Ferrous Metals 62, no. 3 (2021): 341–48. http://dx.doi.org/10.3103/s1067821221030056.

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30

Nikolenko, S. V., S. A. Pyachin, and A. A. Burkov. "Formation of electrospark coatings of the VK8 hard alloy with the Al2O3 additive." Russian Journal of Non-Ferrous Metals 52, no. 1 (2011): 56–61. http://dx.doi.org/10.3103/s1067821211010184.

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31

Reva, V. P., D. V. Onishchenko, V. V. Petrov, V. A. Kim, and A. I. Evstigneev. "Formation of Hard Alloy VK8 Using Tungsten Carbide Powder Synthesized by Mechanochemical Technology." Refractories and Industrial Ceramics 54, no. 4 (2013): 295–98. http://dx.doi.org/10.1007/s11148-013-9596-5.

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32

Fominov, Evgeny V., Maxim S. Egorov, Denis V. Moiseev, E. Dieudonne, and Constantine G. Shuchev. "Wear Resistance of Experimental Hard Alloys Grades with Co-Mo-Ti Binders upon Conditions of Friction without Lubricant on Stainless Steel." Materials Science Forum 1037 (July 6, 2021): 522–27. http://dx.doi.org/10.4028/www.scientific.net/msf.1037.522.

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The results of studies of wear resistance and tribological properties of experimental single carbide hard alloys grades with modified Co-Mo-Ti binders upon conditions of friction without lubricant on stainless steel are presented. All the data obtained were compared with similar parameters for the basic alloy VK8 (Co-Mo), on the basis of which the experimental grades were developed. Tribological tests were performed on tribometer which implemented a scheme of friction "pin on disk" at constant sliding speed and normal load values with artificially heated tribo contact zone. Studies have found

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33

Mokrickiy, Bori, Alexander Kosmynin, Pavel Sablin, and Vadim Shelkovnikov. "ON THE USE OF COATINGS FOR TURNING STAINLESS STEELS." Transport engineering 2023, no. 4 (2023): 4–10. http://dx.doi.org/10.30987/2782-5957-2023-4-4-10.

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The study objective is to increase the durability period of replaceable carbide inserts by applying coatings for turning hard-to-machine stainless steels. Research results: recommendations are made on the choice of a rational coating of a metal-cutting tool, depending on its operating conditions. Conclusions: The developed coatings allow to increase the durability period of the cutting tool up to 3 times. The paper discusses the results of applying the newly developed coatings on the hard-alloy material of VK8 brand. The analysis is done for turning stainless steels of 09X17N

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Toshov, J. B., M. Rabatuly, Zh K. Bogzhanova, et al. "Influence of Radiation and Magnetic Pulse Treatment on The Wear Resistance of Carbide Tools." Kompleksnoe Ispolzovanie Mineralnogo Syra = Complex Use of Mineral Resources 337, no. 2 (2025): 47–54. https://doi.org/10.31643/2026/6445.16.

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In the mining industry, hard alloy tools with high wear resistance are essential for drilling operations. This study introduces a combined magnetic-pulse treatment method, integrating preliminary gamma irradiation and pulsed magnetic field exposure, to extend the service life of VK8 hard alloy drilling tools. Gamma irradiation utilized 60Co sources with doses from 3.2×10⁴ to 5.0×10⁸ R, followed by magnetic-pulse treatment using a custom installation with electromagnetic coils, achieving magnetic induction levels of 0.2–0.4 Tesla and pulse durations of 3 µs. The VK8 alloy, comprising 8% cobalt

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35

Kuznetsova, L. P., K. Yu Kuznetsov, V. I. Kolmykov, and B. A. Semenikhin. "Investigation of the Elemental Composition of Components of the Cutters of a Cold Miller by the Method of X-Ray Fluorescence Analysis." Proceedings of the Southwest State University. Series: Engineering and Technology 13, no. 3 (2023): 44–60. http://dx.doi.org/10.21869/2223-1528-2023-13-3-44-60.

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Purpose. Establishment of the elemental and quantitative composition of alloys - components of road milling cutters, which are used as working bodies for milling the road surface, by X-ray fluorescence analysis.Methods. To establish the chemical composition of alloys - components of cutters of a road milling cutter, WIRTGENW6/20X cutters and their domestic counterpart KZTS A6/20 were studied. The X-ray fluorescence method was chosen to study the elemental composition of the components of the road milling cutters. This method, based on the interaction of X-ray radiation with the analyzed substa

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36

Mokrickiy, Bori, Pavel Sablin, Alexander Kosmynin, and Vladimir Grigoriev. "IMPROVEMENT OF MACHINING CORROSION-RESISTANT STAINLESS STEELS." Transport engineering 2023, no. 7 (2023): 26–39. http://dx.doi.org/10.30987/2782-5957-2023-7-26-39.

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The methodology and results of the application of the newly developed coatings on hard alloy VK8 for turning corrosion-resistant steels of grades 12X18N10T, 13X15N5 AM-3, 09X17N7YU are considered. The purpose of the work: to increase the durability period of turning tools when applying coatings. Research results: coatings have been developed for a hard alloy of the VK8 brand, which increase the durability period of the incisors by 3 times. Conclusion: the simplest and most affordable solution to increase the tool durability period when turning steel 09H17N7YU is coating by co

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37

Mokritskii, B. Ya, and A. A. Skripilev. "DIAGNOSTICS OF INSTRUMENTAL MATERIALS BASED ON THE RESULTS OF MODELING OF COATINGS OF INSTRUMENTAL MATERIAL." Kontrol'. Diagnostika, no. 308 (February 2024): 30–38. http://dx.doi.org/10.14489/td.2024.02.pp.030-038.

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Computer modeling makes it possible to predict the adhesion properties of various materials and monolayers in the material at the atomic level. As a result of this approach, it is possible to diagnose the operational properties of the tool material according to the calculated values of the adhesion energy of the layers in the tool coating. The issues of studying the adhesive properties of monolayers successively deposited on a hard alloy VK8 are considered. The adhesive properties of Ti, TiN and (Ti, Cr, Al)N layers with each other and with WC92-Co8 hard alloy are investigated. The dependence

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38

Gileta, Viktor, and Anatoly Beznedelnyy. "The mechanism of wearing of the hard alloy tool under ultrasonic reinforcing finishing treatment." MATEC Web of Conferences 224 (2018): 01008. http://dx.doi.org/10.1051/matecconf/201822401008.

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The working capacity of indenters prepared from hard alloy VK8 under conditions of reinforcing finishing treatment by ultrasonic tools was investigated. It was found that under normal treatment conditions, normal wear of the hard alloy takes place. An electron microscopic study of the morphology of the surface of the wear area and its state after the etching of cobalt (Co) using replicas was performed. X-ray microanalysis of the wear area was performed. No obvious traces of adhesive, diffusion, abrasive wear were detected. It was shown that the deterioration of the hard alloy tool VK8 mainly o

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39

Dvornik, M. I., and N. M. Vlasova. "Comparative analysis of the tool life of submicron hard alloy WC-10Co sintered from powder obtained by electro discharge in oil." Powder Metallurgy аnd Functional Coatings, no. 1 (March 15, 2023): 75–84. http://dx.doi.org/10.17073/1997-308x-2023-1-75-84.

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In this paper, comparative studies of the microstructure, mechanical characteristics and service life of a cutting insert made of submicron cemented carbide WC-10Co, obtained as a result of recycling VK10 cemented carbide by Electro Discharge Erosion (EDE) in oil, were carried out. The specific energy consumption directly for the formation of pulses in the process of EDE is to a relatively small value (5.7 kW·h/kg). Excess carbon formed as a result of oil pyrolysis during EDE was removed by heat treatment. The granulometric composition of the obtained powder and the microstructure of the parti

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Ovcharenko, Alexander G., Andrey Yu Kozlyuk, and Mikhail O. Kurepin. "A Promising Method for Improving Wear Resistance of Metal Cutting Tools." Applied Mechanics and Materials 788 (August 2015): 325–29. http://dx.doi.org/10.4028/www.scientific.net/amm.788.325.

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Abstract. A promising method for improving wear resistance of metal cutting tools including pre-heating and a subsequent impact of the pulsed magnetic field of high intensity on the cutting tool is proposed. The experimental setup and methods of research are described. Experimental studies of surfaces of carbide reversible cutting plates of the VK8, T15K6 alloy and drills of high speed steel R6M5 to assess the effectiveness of the proposed method were performed. An increase in wear resistance of cutting tools made of the T15K6 hard-alloy plates by 30% and made of the VK8 alloy plates by 13% wa

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Filippov, Andrey, Nikolay Shamarin, Evgenij Moskvichev, et al. "Investigation of the structural-phase state and mechanical properties of ZrCrN coatings obtained by plasma-assisted vacuum arc evaporation." Metal Working and Material Science 24, no. 1 (2022): 87–102. http://dx.doi.org/10.17212/1994-6309-2022-24.1-87-102.

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Introduction. Modern technologies allow the synthesis of nanostructured coatings from multiple chemical elements to combine different physical, mechanical, and chemical properties in one coating. Promising in this respect are coatings formed via layer-by-layer deposition of zirconium and chromium nitrides. The deposition of various chemical elements on various substrates requires separate studies in order to produce high-strength and wear-resistant coatings. The purpose of this work is to study the structural-phase state and mechanical properties of ZrCrN coatings formed by plasma-assisted vac

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Mokrickiy, Bori, Vladimir Grigoriev, Aleksandr Skripilyov, and Sergey Maryin. "MACHINING THE ENDS OF PART WORKPIECES." Transport engineering 2024, no. 5 (2024): 4–9. http://dx.doi.org/10.30987/2782-5957-2024-5-4-9.

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The study objective is to increase turn process efficiency of corrosion-resistant stainless hard-to-machine steel 12X18H10T. The task is to reduce tool costs. Research methods are the following: full-field testing and simulation in deform software environment. The novelty of the work: a new approach is formed to increase the durability of a metal-cutting tool for turning the ends of workpieces. This made it possible to find out the most rational coatings for different operating conditions. Research results: recommendations are developed to choose a rational coating for hard alloy of VK8 grade.

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Semenikhin, Boris A., Lyubov P. Kuznetsova, and Vladimir I. Kozlikin. "The Use of Hard Alloy Waste in Composite Galvanic Coatings for the Restoration of Car Parts." Solid State Phenomena 299 (January 2020): 258–63. http://dx.doi.org/10.4028/www.scientific.net/ssp.299.258.

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The results of the research of the use of powders based on tungsten carbide with a particle size of 1 μm or less, obtained by the method of electro-erosion dispersion from the waste of sintered hard alloys, as a dispersed phase of composite galvanic coatings based on iron during the restoration and hardening of car parts are presented. It is shown that the introduction powders of hard alloys of grades VK8 and T15K6 in the chloride electrolyte of iron plating with a concentration of 100 g/l and more, practically does not affect the micro-hardness, but allows to increase the relative wear resist

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Zaitsev, A. A., V. I. Vershinnikov, V. S. Panov, et al. "The effect of process sintering parameters on structure and properties of VK5 hard alloy of tungsten carbide SHS powder." Izvestiya Vuzov. Poroshkovaya Metallurgiya i Funktsional’nye Pokrytiya (Proceedings of Higher Schools. Powder Metallurgy аnd Functional Coatings), no. 3 (January 19, 2015): 21. http://dx.doi.org/10.17073/1997-308x-2013-3-21-27.

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Latypov, R. A., E. V. Ageev, G. R. Latypova, A. Yu Altukhov, and E. V. Ageeva. "Elemental Composition of the Powder Particles Produced by Electric Discharge Dispersion of the Wastes of a VK8 Hard Alloy." Russian Metallurgy (Metally) 2017, no. 12 (2017): 1083–85. http://dx.doi.org/10.1134/s0036029517120096.

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Kolomeychenko, Aleksandr, Roman Solovev, Rudolf Solovev, Evgeniy Maksimov, and Sergey Karyakin. "IMPORT SUBSTITUTION OF WORKING UNITS FOR MULCHERS." Vestnik of Kazan State Agrarian University 18, no. 2 (2023): 86–93. http://dx.doi.org/10.12737/2073-0462-2023-86-93.

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In the current conditions, there is a multifaceted urgent problem of meeting the growing demand of agriculture for modern and high-quality equipment. Mulchers for tractors, excavators and skid steer loaders are becoming more and more popular as a type of attachment. Carbide cutting elements for the mulcher have a high resource, do not require sharpening, and are not afraid of small stones in the soil. An urgent task in terms of import substitution is the organization of their production at domestic engineering enterprises, which requires information on the materials used for manufacturing. The

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Altukhov, A. Yu, E. V. Ageeva, A. A. Gorokhov, and A. S. Osminina. "X-RAY MICROANALYSIS OF ELECTRIC-SPARK COATINGS BASED ON TUNGSTEN-CONTAINING ELECTROEROSION POWDERS." Proceedings of the Southwest State University 22, no. 3 (2018): 29–39. http://dx.doi.org/10.21869/2223-1560-2018-22-3-29-39.

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The development of modern engineering requires improving the quality, reliability and durability of parts, components and mechanisms. One of the effective ways to solve these problems is the use of various functional coatings, including the method of electrospark alloying (EIL). The main electrode materials are mainly sintered hard alloys, the cost of which, due to the presence of expensive tungsten, is relatively high. One of the promising methods for producing powder from almost any conductive material, including solid alloy and high-speed steel waste, is the method of electroerosion dispers

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Prunko, Ihor, Tetyana Voitsekhivska, and Yaroslav Dem’yanchuk. "Determining the rational technological processing modes for achieving optimal operational characteristics of the surface layer obtained by electric spark alloying using carbide electrodes." Eastern-European Journal of Enterprise Technologies 3, no. 12 (135) (2025): 28–37. https://doi.org/10.15587/1729-4061.2025.331878.

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The object of this study is the wear resistance of surfaces after electric spark alloying in contact with elastically fixed abrasive grains. The task addressed relates to the lack of technological modes for electric spark processing, in particular for hard alloys T15K6 and VK8. A rational mode has been determined, under which samples with an optimal surface profile, a uniform structure, and minimal internal defects were obtained. The choice of the technique for machining high-wear surfaces by the electric spark alloying method is due to its simplicity and accessibility. Waste can be used as el

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Khyzhnyak, V. G., T. V. Loskutova, T. Yu Kalashnikov, and O. I. Mykolaychuk. "Producing Multilayer Coatings from the Gas Phase with the Participation of TiC and TiN Compounds on the Hard Alloy VK8." Journal of Superhard Materials 40, no. 3 (2018): 170–78. http://dx.doi.org/10.3103/s1063457618030036.

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Tulina, A. A., A. Yu Nazarov, and V. R. Mukhamadeev. "Study of the properties of vacuum arc coatings based on the aluminum oxide system." Vestnik UGATU 27, no. 4(102) (2023): 144–51. http://dx.doi.org/10.54708/19926502_2023_274102144.

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The article describes the study of a coating based on aluminum oxide, obtained by the method of vacuum-arc evaporation on samples of hard alloy VK8 with different values of the bias voltage. A number of tests were carried out, including a scratch test, tribological tests in order to establish the nature of the wear of the coating with the coating technology used. The results showed that under the spraying and testing modes used, this coating is plastically deformed without showing the wear pattern standard for ceramic coatings

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