Electrical conductivity and friction force estimation in compliant electrical connectors

The electrical conductivity and friction force of a compliant curved beam l oaded by a rigid flat surface which simulate electrical connectors in high- tech applications is analyzed. Both the elastic deformation of the curved b eam and elastic-plastic deformation of the asperities are considered. The e ffects of the applied load, the surface hardness and roughness as well as t he beam geometry on the electrical conductivity and friction are investigat ed. It is found that the electrical conductivity is insensitive to changes in the beamis geometry like its angular span and slender ratio. Surface rou ghness and hardness affect both electrical conductivity and friction.