Article

The Effects of Electrical Conductivity and Oxidation Resistance on Temperature Rise of Circuit-Breaker Contact Materials

Stackpole Carbon Co.
IEEE Transactions on Parts Materials and Packaging 07/1969; DOI:10.1109/TPMP.1969.1136063 pp.99 - 103
Source: IEEE Xplore

ABSTRACT A study has been made of the bulk electrical conductivity and oxidation characteristics of several typical circuitbreaker contact alloys. Results were correlated with temperature rise behavior of the same materials. It was concluded that surface phenomena, particularly oxidation, exert a more potent effect on temperature characteristics than does bulk electrical conductivity.

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Keywords

bulk electrical conductivity
 
potent effect
 
surface phenomena
 
temperature rise behavior
 
typical circuitbreaker contact alloys