Conferirea unei micro-geometriei prescrise a suprafețelor metalice în scopul sporirii intensității curentului de emisie termo-electrică,
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. Conferirea unei micro-geometriei prescrise a suprafețelor metalice în scopul sporirii intensității curentului de emisie termo-electrică,. In: Ştiinţa în Nordul Republicii Moldova: realizări, probleme, perspective, 25-26 septembrie 2015, Bălți. Balti, Republic of Moldova: Tipogr. „Indigou Color”, 2015, Ediția 1, pp. 21-23. ISBN 978-9975-3054-5-7.
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Ştiinţa în Nordul Republicii Moldova: realizări, probleme, perspective
Ediția 1, 2015
Conferința "Ştiinţa în Nordul Republicii Moldova: realizări, probleme, perspective"
Bălți, Moldova, 25-26 septembrie 2015

Conferirea unei micro-geometriei prescrise a suprafețelor metalice în scopul sporirii intensității curentului de emisie termo-electrică,


Pag. 21-23

 
Universitatea de Stat „Alecu Russo” din Bălţi
 
Teze de doctorat:
 
Disponibil în IBN: 10 august 2021


Rezumat

The paper presents results of experimental investigations aimed at the construction of cathodes for thermo-electronic emission. The method of pulsed electrical discharge machining was applied to confer a prescribed micro-geometry of the cathode active surface. Modification of the cathode surface micro-geometry involves the extraction and freezing of the Taylor cone meniscuses that are electric field and heat concentrators applied in order to increase the intensity of the thermo-electronic emission current.

Cuvinte-cheie
electrical discharges, micro-geometry, meniscus, emission, thermo-electrons

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