Тип публикации: доклад, тезисы доклада, статья из сборника материалов конференций
Конференция: International Scientific Conference Reshetnev Readings 2016; Krasnoyarsk; Krasnoyarsk
Год издания: 2017
Идентификатор DOI: 10.1088/1757-899X/255/1/012008
Аннотация: Thermal effects in cathode space of low-pressure arc discharge, which contribute to the synthesis of nanopowders with an average particle size of less than 10 nm, are considered. One of the most important parameters, characterizing the cathode processes of vacuum arc, is a voltage drop across the discharge gap. All the gases demonstrate a decrease of a voltage drop across the discharge gap under the condition ofincreasing the gas pressure in the range of p = 10-3 - 1 Pa. Dissipation of energy of ions and electrons on gas molecules causes abrupt heating of the gas. Heat, coming from gas plasma, has a significant impact on evaporating material of a cathode. It can be assumed that a microdrop fraction, formed as a result of a cathode spraying in a liquid phase, will further evaporate in a superheated gas.
Издание
Журнал: IOP Conference Series: Materials Science and Engineering
Выпуск журнала: 255
Номера страниц: 012008
Издатель: Institute of Physics Publishing
Персоны
- Karpov I.V. (Siberian Federal University)
- Ushakov A.V. (Siberian Federal University)
- Lepeshev A.A. (Siberian Federal University)
- Fedorov L.Y. (Siberian Federal University)
- Shaikhadinov A.A. (Siberian Federal University)
- Demin V.G. (Siberian Federal University)
- Bachurina E.P. (Siberian Federal University)
- Lichargin D.V. (Federal Research Center,Krasnoyarsk Scientific Center,Russian Academy of Sciences)
- Abkaryan A.K. (Siberian Federal University)
- Zeer G.M. (Siberian Federal University)
- Zharkov S.M. (Kirensky Institute of Physics,Federal Research Center KSC SB RAS)
- Dorozhkina E.A. (Reshetnev Siberian State University of Science and Technology)
- Karpova O.N. (Reshetnev Siberian State University of Science and Technology)
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