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The Vaporization of the Cathode in the Electric Arc

 

作者: Ragnar Holm,  

 

期刊: Journal of Applied Physics  （AIP Available online 1949）
卷期: Volume 20, issue 7  

页码: 715-716

 

ISSN:0021-8979

 

年代: 1949

 

DOI:10.1063/1.1698514

 

出版商: AIP

 

数据来源: AIP

 

摘要:

Calculations are carried out which show that, because of the smallness of the cathode spot, the cathode is not able to dissipate the heat generated with heavy currents by conduction. Therefore, a much higher vaporization of cathode material per coulomb occurs for heavy currents than for low currents.

 

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