Elsevier

Wear

Volume 107, Issue 1, 1 January 1986, Pages 71-90
Wear

Sample calculations of flash temperatures at a silver-graphite electric contact sliding on copper

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Abstract

Explicit equations are presented for calculating the flash temperatures at plastically deformed circular contact spots due to friction and/or Joule heat. Numerical examples calculated for a metal-graphite composite in a very wide range of speeds and loads suggest that intuitive estimates of the flash temperatures tend to be too high. On the basis of the figures it should be possible to deduce approximate values for the flash temperature for a great variety of sliding couples and sliding conditions.

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