Steady state contact pressures in electrical contacts

Steady state contact pressures in electrical contacts

The development of a numerical analysis is outlined for the thermoelastic effects in stationary electrical contacts. The steady-state pressure distribution at the contact, the change of contact area, and the separation of the contacting bodies are calculated. The temperature field obtained by Y.G. Y...

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Veröffentlicht in:IEEE transactions on components, hybrids, and manufacturing technology hybrids, and manufacturing technology, 1988-03, Vol.11 (1), p.106-111
Hauptverfasser: Oh, S., Bryant, M.D., Yune, Y.G.
Format: Artikel
Sprache:eng
Schlagworte:
Conducting materials
Contacts
Current density
Integral equations
Numerical analysis
Steady-state
Temperature
Thermal conductivity
Thermal expansion
Thermoelasticity
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Zusammenfassung:The development of a numerical analysis is outlined for the thermoelastic effects in stationary electrical contacts. The steady-state pressure distribution at the contact, the change of contact area, and the separation of the contacting bodies are calculated. The temperature field obtained by Y.G. Yune and M.D. Bryant (ibid., vol.11, no.1, p.91-100, 1988) was used for computations. The real contact area was found to be dominated by the current density and the contact force.< >
ISSN:0148-6411
1558-3082
DOI:10.1109/33.2972