Title: Surface and bulk processes in materials induced by pulsed ion and plasma beams at Dense Plasma Focus devices
Abstract: Dense Plasma Focus (DPF) devices, unlike other thermonuclear devices, have a number of important advantages. 1) They provide an opportunity to expose materials to pulsed beams of various types (ion, electron, plasma, X-ray, neutron and shock wave) of high-power flux density (up to 10 W/cm) with pulse duration in the range from 10 to 10 s. 2) They ensure an opportunity to vary the distribution of pulse energy between ion and plasma beams: energy flux density of ion and plasma beams may be significantly different depending on the mode of irradiation. 3) These beams in DPF devices can be separated in the time due to the different velocity (within one order of magnitude) [2, 23] of ion beam and plasma jet. The problem of plasma-surface interaction is especially amenable to the study of damage to materials under high-power energy pulses generated in different radiation devices including DPF devices, chambers for inertial (laser and heavy ion fusion) and magnetic (TOKAMAK and stellarator) confinement thermonuclear fusion. During the last few years, we performed investigations on material damage under pulsed ion and high temperature plasma (HTP) beams in different PF devices in the frame of national and international scientific programmes. Obtained results showed that the influence of pulsed high-energy (Ei ≥ 100 keV) ion beams and HTP (particle velocity ~ 5 × 10 cm/s) on the target material results in a remarkable distinction in radiation and thermal effects in dependence of irradiSurface and bulk processes in materials induced by pulsed ion and plasma beams at Dense Plasma Focus devices Valeriy N. Pimenov, Sergey A. Maslyaev, Lev I. Ivanov, Elena V. Dyomina, Vladimir A. Gribkov, Alexander V. Dubrovsky, Marek Scholz, Ryszard Miklaszewski, Ulo E. Ugaste, Blagoslav Kolman
Publication Year: 2006
Publication Date: 2006-01-01
Language: en
Type: article
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Cited By Count: 17
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