Search Results - "Barkov, L A"

Methods of Compacting Electrical Engineering Products from Desorbed Graphite Fiber Composites by Samodurova, M. N., Barkov, L. A., Latfulina, Yu. S.

“…New methods for compacting graphite fiber powder composites developed by the authors are described. These methods help to remove considerable amounts of gases…”
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Processes and Equipment for the Preparation of Coke Pitch and Graphitoplast Compositions for Pressing of Intermediate Products for Electrical Engineering by Samodurova, M. N., Barkov, L. A., Zakirov, R. A., Latfulina, Y. S.

“…This article discusses advanced developments in the field of manufacture of electrical machine brushes. A new method for manufacturing by mixing coke pitch and…”
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Device for One- and Two-Sided Molding of Refractory Metal Powders Into Electric-Arc Melting Electrode Workpieces by Barkov, L. A., Samodurova, M. N., Zakirov, R. A., Latfulina, Yu. S.

“…The first devices for preparing workpieces (bars) of refractory metal powders (tungsten and molybdenum) in the form of dismountable steel dies installed in a…”
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Devices for the Formation of Long-Length Products from Powder Materials by Barkov, L. A., Samodurova, M. N., Zakirov, R. A., Latfulina, Yu. S.

“…The paper is devoted to the design of new devices for the production of long-length bars of consumable electrodes for vacuum-arc melting…”
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Die Technology and Construction for Compacting Gas-Saturated Tungsten and Carbon Powders by Barkov, L. A., Samodurova, M. N., Zakirov, R. A., Latfulina, Yu. S.

“…Analysis is provided for known and new technology and construction of dies for molding gas-saturated powders of tungsten and carbon powder composites made on…”
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Simulation of the interaction of a powder heterogeneous medium with a tool during molding by Barkov, L. A., Samodurova, M. N., Osintsev, A. A.

“…The contact interaction of a heterogeneous powder medium with the surface of a steel or hard-alloy tool is subjected to mathematical simulation. Under known…”
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Technology and Mills with Four-Roll Passes for Rolling Small Section Nickel-Base Superalloys by Barkov, L. A., Samodurova, M. N., Zakirov, R. A., Latfulina, Yu. S.

“…The results are provided for research and also development of mill technology and construction with fourroll passes for rolling small section nickel-base…”
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Deformation in and Efficiency of Rolling in Two- and Multi-Roll Passes by Samodurova, M. N., Barkov, L. A., Latfulina, Yu. S.

“…For experimental evaluation of the efficiency of two-, three-, and four-directional rolling, round, square, and triangular bars made of AK6 aluminum alloy were…”
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Axial Compression of Hollow and Nonhollow Cylindrical Billet by Osintsev, A. A., Samodurova, M. N., Barkov, L. A.

“…Methods of producing hollow and nonhollow cylindrical billet by shaping heterogeneous and ceramic materials under axial pressure, with and without a mandrel,…”
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Compressibility of tungsten and molybdenum bars during rotary swaging and rolling by Barkov, L. A., Mymrin, S. A., Samodurova, M. N., Dzhigun, N. S., Latfulina, Yu. S.

“…The compressibility of bars and hydraulically forged workpieces made of tungsten and molybdenum is studied during rotary swaging and rolling in mills with…”
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Developing a Mold and a Method for Compacting Tungsten Powders and Tungsten-Based Composite Powders by Barkov, L. A., Mymrin, S. A., Samodurova, M. N., Ivanov, V. A.

“…The industrial technology which has been used since the beginning of the last century to make products from tungsten powders is still complicated and involves…”
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Simulation of the rolling of porous bars by Barkov, L. A., Mymrin, S. A., Samodurova, M. N., Ivanov, V. A.

“…A mathematical model is developed to calculate the geometric, kinematic, force, and energy parameters and to determine the change of density during the rolling…”
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High-Energy Forming of Monolithic and Powder Materials by Pressure by Samodurova, M. N., Barkov, L. A., Ivanov, V. A., Yarov, B. A.

“…Well-established and new processes for the high-energy shaping of materials are analyzed along with the equipment they use. Most of the attention is given to…”
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Powder Compaction Phenomenology for Composite Materials based on Tungsten and Carbon by Samodurova, M. N., Barkov, L. A., Mymrin, S. A., Ivanov, V. A., Kanatnikova, Yu. A.

“…Data are provided for particle shape, component and grain size composition, for information about the connection of compact density with compaction pressure…”
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Static and high-energy shaping of carbon-based powder composites by Samodurova, M. N., Barkov, L. A., Ivanov, V. A., Yarov, B. A.

“…An analysis is made of the results of theoretical studies, experimental studies, and commercial trials of methods and equipment for the static forming of…”
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New Developments in the Formation of Pantograph Brushes and Collectors from Carbon-Based Materials by Samodurova, M. N., Barkov, L. A., Dzhigun, N. S., Latfulina, Yu. S.

“…An analysis is made of existing and new designs of carbon brushes and collectors for the pantographs of trams and electric trains. Descriptions are given of a…”
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Use of Carbon Materials to Make Inserts for the Sliding Contacts of Trolley Buses by Samodurova, M. N., Barkov, L. A., Dzhigun, N. S., Latfulina, Yu. S.

“…An analysis is made of existing and promising new designs and methods of obtaining carbon materials for such electrotechnical products as the inserts of the…”
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Developing and Studying Methods and Equipment for Rolling Collector Profiles Made of Alloy BrKd1 by Samodurova, M. N., Kremsov, N. A., Barkov, L. A., Latfulina, Yu. S.

“…The Russian and foreign technology used since the beginning of the last century to industrially produce collector profiles made of copper-cadmium bronze is…”
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High-Speed Stamping of Powder Workpieces for Objects of High Density and Strength by Barkov, L. A., Ekk, E. V., Samodurova, M. N., Ivanov, V. A.

“…Development of high-speed workpiece stamping technology for objects of domestic designation from iron-based powders is analyzed. Results of experiments…”
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Structural basis of compensatory and adaptive reactions of human placenta by Barkov, L. A., Aleshchenko, I. E.

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