Presentation 2003/11/14
Research on Calculation of Cathode Root Properties in Carbon Vacuum Arc (Session 4 : Arc discharges and related phenomena)
Daisuke Sakai, Yoshiharu Saito, Junya Sekikawa, Takayoshi Kubono,
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Abstract(in English) The vacuum arc root properties (temperature, current density, radius of an arc root, fraction of current density carried by electrons, evaporation rate etc.) of graphite and copper are calculated with the cathode-fall voltage as parameter and the arc root properties of graphite are compared with that of copper. Especially, there is big difference between the evaporation rate of graphite and that of copper. This reason is thought that the thermal conductivity of graphite is low and its evaporating temperature is high.
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Paper # EMD2003-79
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Committee EMD
Conference Date 2003/11/14(1days)
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Language ENG
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Title (in English) Research on Calculation of Cathode Root Properties in Carbon Vacuum Arc (Session 4 : Arc discharges and related phenomena)
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1st Author's Name Daisuke Sakai
1st Author's Affiliation Graduate School of Science and Technology, Shizuoka University()
2nd Author's Name Yoshiharu Saito
2nd Author's Affiliation Faculty of Engineering, Shizuoka University
3rd Author's Name Junya Sekikawa
3rd Author's Affiliation Faculty of Engineering, Shizuoka University
4th Author's Name Takayoshi Kubono
4th Author's Affiliation Faculty of Engineering, Shizuoka University
Date 2003/11/14
Paper # EMD2003-79
Volume (vol) vol.103
Number (no) 449
Page pp.pp.-
#Pages 6
Date of Issue