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SM ISO690:2012 GUZGAN, Dorin, TOPALĂ, Pavel. Cercetări experimentale privind emisia termo-electronică a catozilor din wolfram. In: Orientări actuale în cercetarea doctorală, Ed. 7, 7 decembrie 2017, Bălți. Bălți, Republica Moldova: Tipografia "Indigou Color", 2017, Ediţia 7, p. 28. |
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Orientări actuale în cercetarea doctorală Ediţia 7, 2017 |
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Colocviul "Orientări actuale în cercetarea doctorală" 7, Bălți, Moldova, 7 decembrie 2017 | ||||||
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Pag. 28-28 | ||||||
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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 tungsten cathode active surface. Modification of the tungsten 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. |
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Cuvinte-cheie electrical discharges, tungsten, micro-geometry, meniscus, emission, thermoelectrons. |
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