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Title
Japanese: 
English:Change in Temperature Distribution by Constriction of Electric Current through Contact Area 
Author
Japanese: 若林 一貴, HEMTHAVY PASOMPHONE, 齋藤 滋規, 高橋 邦夫.  
English: Kazuki Wakabayashi, Pasomphone Hemthavy, Shigeki Saito, Kunio Takahashi.  
Language English 
Journal/Book name
Japanese: 
English:Science and Technology of Welding and Joining 
Volume, Number, Page Vol. 20        pp. 337-344
Published date Apr. 6, 2015 
Publisher
Japanese: 
English: 
Conference name
Japanese: 
English: 
Conference site
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English: 
DOI https://doi.org/10.1179/1362171815Y.0000000014
Abstract Abstract The change in temperature distribution due to constriction of an electric current through a contact area is analytically and numerically investigated. The potential distribution, current density distribution and heat density distribution inside the body are analytically obtained. The heat density has the singular point at the periphery of the contact area. It is revealed that the temperature has a finite value at the periphery, whereas the temperature change rate with respect to time has an infinite value because of the singularity. The results show the change in the temperature distribution. The times to melting and melting area are determined from the change in the temperature distribution. The total heat generated until melting occurs is also obtained.

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