Vacuum cathode arc root for a current of 10A on a silver contact
The cathode spot is theoretically analyzed here for a 10A current and a silver contact in vacuum. The main equations leading to the values of physical characteristics are detailed and resolved according to the radius r in the domain 0.5-1.5μm. The choice of this field is imposed by the limits of the...
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Published in | IOP conference series. Materials Science and Engineering Vol. 29; no. 1; pp. 12007 - 11 |
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Main Authors | , |
Format | Journal Article |
Language | English |
Published |
Bristol
IOP Publishing
01.01.2012
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Subjects | |
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Abstract | The cathode spot is theoretically analyzed here for a 10A current and a silver contact in vacuum. The main equations leading to the values of physical characteristics are detailed and resolved according to the radius r in the domain 0.5-1.5μm. The choice of this field is imposed by the limits of the current density and time of appearance of the metal vapour. The findings show that when they are created the spots have cathode radius that fall to low values of field. Under the action of saturated vapour pressures higher radius of the spot will grow but its growth is limited by its lifetime. |
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AbstractList | The cathode spot is theoretically analyzed here for a 10A current and a silver contact in vacuum. The main equations leading to the values of physical characteristics are detailed and resolved according to the radius r in the domain 0.5-1.5μm. The choice of this field is imposed by the limits of the current density and time of appearance of the metal vapour. The findings show that when they are created the spots have cathode radius that fall to low values of field. Under the action of saturated vapour pressures higher radius of the spot will grow but its growth is limited by its lifetime. The cathode spot is theoretically analyzed here for a 10A current and a silver contact in vacuum. The main equations leading to the values of physical characteristics are detailed and resolved according to the radius r in the domain 0.5-1.5[mu]m. The choice of this field is imposed by the limits of the current density and time of appearance of the metal vapour. The findings show that when they are created the spots have cathode radius that fall to low values of field. Under the action of saturated vapour pressures higher radius of the spot will grow but its growth is limited by its lifetime. |
Author | Lefort, A Abbaoui, M |
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Cites_doi | 10.1103/PhysRev.21.419 10.1088/0022-3727/28/9/015 10.1063/1.1735720 10.1063/1.1736133 10.1088/0022-3727/42/3/035203 10.1098/rspa.1928.0091 10.1103/PhysRev.102.1464 10.1051/epjap/2009134 10.1103/PhysRev.34.611 10.1088/0022-3727/9/16/009 10.1088/0022-3727/34/17/202 10.1088/0022-3727/33/16/322 10.1109/TPS.1987.4316742 |
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Copyright | Copyright IOP Publishing Feb 2012 |
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References | 11 Daalder J E (21) 1976; 9 Lee T H (16) 1961; 33 Benilov M S (12) 1995; 28 15 Barin I (14) 1993 18 Lide D R (20) 2001 Jüttner B (6) 2001; 34 Barinov V N (19) 1988; 33 1 2 Rossignol J (17) 2000; 33 Beilis I (8) 1995 Jeanvoine N (13) 2009; 42 7 9 Ecker G (4) 1973; 26a Mesyats G A (5) 2000 Jütter B (3) 1995 10 |
References_xml | – ident: 7 doi: 10.1103/PhysRev.21.419 – volume: 28 start-page: 1869 issn: 0022-3727 year: 1995 ident: 12 publication-title: J. Phys. D: Appl. Phys. doi: 10.1088/0022-3727/28/9/015 contributor: fullname: Benilov M S – start-page: 73 year: 1995 ident: 3 publication-title: Cathode spots in Handbook of vacuum arc science and technology contributor: fullname: Jütter B – ident: 15 doi: 10.1063/1.1735720 – volume: 33 start-page: 916 year: 1961 ident: 16 publication-title: J. Appl.Phys. doi: 10.1063/1.1736133 contributor: fullname: Lee T H – volume: 42 start-page: 1 year: 2009 ident: 13 publication-title: J. Phys. D: Appl. Phys. doi: 10.1088/0022-3727/42/3/035203 contributor: fullname: Jeanvoine N – volume: 33 start-page: 937 year: 1988 ident: 19 publication-title: Sov. Phys. Tech. Phys. (USA) contributor: fullname: Barinov V N – start-page: 175 year: 2001 ident: 20 publication-title: Handbook of Chemistry and Physics contributor: fullname: Lide D R – start-page: 208 year: 1995 ident: 8 publication-title: Theoretical modelling of cathode spot phenomena in Handbook of vacuum arc science and technology contributor: fullname: Beilis I – ident: 10 doi: 10.1098/rspa.1928.0091 – ident: 11 doi: 10.1103/PhysRev.102.1464 – ident: 18 doi: 10.1051/epjap/2009134 – ident: 9 doi: 10.1103/PhysRev.34.611 – volume: 26a start-page: 935 issn: 0340-4811 year: 1973 ident: 4 publication-title: Z. Naturforsch. contributor: fullname: Ecker G – volume: 9 start-page: 2379 issn: 0022-3727 year: 1976 ident: 21 publication-title: J. Phys. D: Appl. Phys. doi: 10.1088/0022-3727/9/16/009 contributor: fullname: Daalder J E – ident: 1 doi: 10.1063/1.1736133 – year: 2000 ident: 5 contributor: fullname: Mesyats G A – volume: 34 start-page: R103 issn: 0022-3727 year: 2001 ident: 6 publication-title: J. Phys. D: Appl. Phys. doi: 10.1088/0022-3727/34/17/202 contributor: fullname: Jüttner B – volume: 33 start-page: 2079 issn: 0022-3727 year: 2000 ident: 17 publication-title: J. Phys. D: Appl. Phys. doi: 10.1088/0022-3727/33/16/322 contributor: fullname: Rossignol J – ident: 2 doi: 10.1109/TPS.1987.4316742 – year: 1993 ident: 14 contributor: fullname: Barin I |
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SubjectTerms | Cathodes Contact Mathematical analysis Metal vapors Metal vapour Physical properties Silver Spots Vapor pressure |
Title | Vacuum cathode arc root for a current of 10A on a silver contact |
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