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- Article name
- Creating a hard microrelief of the titanium surface by exposure of microplasma discharges with the 200-A amplitude and 20-ms pulse duration
- Authors
- Ivanov V. A., , ivanov@fpl.gpi.ru, General Physics Institute named after A. M. Prokhorov of the Russian Academy of Sciences, 38 Vavilov str., Moscow, 199911, Russia
Sakharov A. S., , , Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov str., Moscow, 119991, Russia
Konyzhev M. E., , , Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov str., Moscow, 119991, Russia
Kamolova T. I., , , Prokhorov General Physics Institute, Russian Academy of Sciences, 38 Vavilov str., Moscow, 119991, Russia
Letunov A. A., , , Prokhorov General Physics Institute, Russian Academy of Sciences, 38 Vavilov str., Moscow, 119991, Russia
Kuksenova L. I., , , A. A. Blagonravov Mechanical Engineering Institute RAS, 4 Khariton'evskii per., Moscow, 101990, Russia
Lapteva V. G., , , A. A. Blagonravov Mechanical Engineering Institute RAS, 4 Khariton'evskii per., Moscow, 101990, Russia
Alekseeva M. S., , , A. A. Blagonravov Mechanical Engineering Institute RAS, 4 Khariton'evskii per., Moscow, 101990, Russia
Khrennikova I. A., , , A. A. Blagonravov Mechanical Engineering Institute RAS, 4 Khariton'evskii per., Moscow, 101990, Russia
Dorofeyuk A. A., , , Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov str., Moscow, 119991, Russia
Satunin S. N., , , Prokhorov General Physics Institute of the Russian Academy of Sciences, 38 Vavilov str., Moscow, 119991, Russia
- Keywords
- plasma / metal / titanium / microplasma discharge / surface / hardening / microhardness / wear resistance
- Year
- 2011 Issue 6 Pages 59 - 67
- Code EDN
- Code DOI
- Abstract
- The interaction of microplasma discharges with samples of the VT1 technical titanium was experimentally studied. The amplitude of the pulse electrical current of microplasma discharges was 200 A and pulse duration was 20 ms. The number of pulses of microplasma discharges varied from 1 to 10 pieces. As a result of the microplasma processing of titanium samples, the surface of a solid remelted layer was formed with the thickness of 10 microns and with highly hardness. This layer of titanium was taking on new physical properties: well-developed microrelief of the surface, increased microhardness, and improved tribological parameters. Compared with the initial state of the samples, new surface layer of titanium reinforced by microplasma discharges was characterized by the following best parameters: the microhardness was increased by 5 times, the maximum pressure applied to the samples during friction was increased by 20 times, the relative friction wear was reduced by three orders of magnitude, while the friction coefficient was decreased by 6 times.
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