DocumentCode :
3406775
Title :
Model of charged particle and plasma beam interaction with structural materials
Author :
Kostyuk, G.I. ; Voliak, E.A.
Author_Institution :
Dept. of Robot., Nat. Airspace Univ., Kharkov
Volume :
2
fYear :
2008
fDate :
15-19 Sept. 2008
Firstpage :
477
Lastpage :
479
Abstract :
The interaction of streams of charged particles and plasma streams with structural materials is connected with implementation of the wide range of processes: collisional, thermophysical, thermomecanical, thermal fatigue, diffusive, thermo-chemical and plasma-chemical. Now there are works taking into account these factors and, especially, their interrelation. All these processes influence both character of heat exchange in bulk targets, and on a surface, therefore registration of these processes is indispensable as in an energy balance in elementary size of the metal target, and in heat exchange on a target surface, i.e. in boundary conditions. The analysis of the lead explorations of temperature fields and voltages, and also effective factor of erosion allows making following outputs: The temperature fields reach maximal values for electrons near depths equal to the run of an electron, and for ions near depths equal to half of the path of the ion. The temperature stresses reach maximal values at energies 103 to 104 eV for ions and 104 to 105 eV for electrons and for a case of action of individual ions. Conditions for cluster shattering and for ions in this case are realized, whereas for electrons such shattering is improbable for the base structural materials.
Keywords :
heat transfer; plasma chemistry; plasma-wall interactions; thermal conductivity; thermal stress cracking; thermochemistry; charged particle-material interacton; collisions; diffusive processes; heat exchange; metal target; plasma beam-material interaction; plasma-chemical processes; structural materials; thermal fatigue; thermo-chemical processes; thermomechanics; thermophysics; Chemical processes; Composite materials; Electrons; Fatigue; Particle beams; Plasma materials processing; Plasma temperature; Temperature distribution; Thermal conductivity; Thermal factors;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Discharges and Electrical Insulation in Vacuum, 2008. ISDEIV 2008. 23rd International Symposium on
Conference_Location :
Bucharest
ISSN :
1093-2941
Print_ISBN :
978-973-755-382-9
Electronic_ISBN :
1093-2941
Type :
conf
DOI :
10.1109/DEIV.2008.4676833
Filename :
4676833
Link To Document :
بازگشت