Title :
Melting phenomena of electric contacts during current interruption
Author :
Wakatsuki, N. ; Kudo, T.
Author_Institution :
Fac. of Sci. & Eng., Ishinomaki Senshu Univ., Ishinomaki, Japan
Abstract :
The physical phenomena related to the melting of electric contacts are classified and the relations to electric characteristics are examined. The solid phase and/or the liquid phase exist at melting temperature. Joule heats from the electric circuit accumulate the latent heat till the melting of the contacts. We studied how the phase changes are ruled by electric circuit. The melting phenomena at the contact current interruption were observed electrically and optically.
Keywords :
electrical contacts; latent heat; melting; Joule heats; contact current interruption; electric characteristics; electric circuit; electric contacts; latent heat; liquid phase; melting phenomena; melting temperature; solid phase; Conductivity; Contact resistance; Integrated circuits; Liquids; Resistance heating; Solids; Current Interruption; Electric Contacts; Melting Phenomena;
Conference_Titel :
Electrical Contacts (Holm), 2014 IEEE 60th Holm Conference on
Conference_Location :
New Orleans, LA
DOI :
10.1109/HOLM.2014.7031042
