2020 IEEE 40th International Conference on Electronics and Nanotechnology (ELNANO) 2020
DOI: 10.1109/elnano50318.2020.9088784
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Calculation of the Glow Discharge's Stability Boundary While Welding

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Cited by 2 publications
(2 citation statements)
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“…Under conditions of increased gas pressure, the boundary of the region of cathodic potential drop declines sharply and approaches the vertices of micro protrusions roughness x = d c ≈ h. As a result, the local field strength near the vertices of such protrusions can reach E(x) ≥ 10 9 V/m. Such values of the local electric field strength provide for a current density of field emission from the peak of the protrusions of j fe ≥ 10 7 A/m 2 , sufficient for an arc breakdowns exciting in the interelectrode gap [26]. The latter is in many orders higher than the current density in the cathode spot of the glow discharge.…”
Section: The Analytical Equation Of a Glow Discharge Energy Stability While Treatment And Welding Of Metals Depending On Cathode Surface mentioning
confidence: 97%
“…Under conditions of increased gas pressure, the boundary of the region of cathodic potential drop declines sharply and approaches the vertices of micro protrusions roughness x = d c ≈ h. As a result, the local field strength near the vertices of such protrusions can reach E(x) ≥ 10 9 V/m. Such values of the local electric field strength provide for a current density of field emission from the peak of the protrusions of j fe ≥ 10 7 A/m 2 , sufficient for an arc breakdowns exciting in the interelectrode gap [26]. The latter is in many orders higher than the current density in the cathode spot of the glow discharge.…”
Section: The Analytical Equation Of a Glow Discharge Energy Stability While Treatment And Welding Of Metals Depending On Cathode Surface mentioning
confidence: 97%
“…Для підвищення чутливості пристрою до сигналу виникаючої дуги котушка електромагніту може бути ввімкнена у вихідне коло підсилювача (рис. 7, б), виконаного, наприклад, за схемою електронного ключа на транзисторі 9, вхідне коло якого з'єднується із виходом датчика імпульсів струму дуги [17]. Конденсатор 10, що шунтує обмежуючий опір 11 на вході ключа, підвищує швидкодію спрацьовування транзисторного ключа.…”
Section: виклад основного матеріалуunclassified