Effect of geometric characteristics of a cluster of micro-contacts on its mechanical and electrical properties
by John Ervin, Igor Sevostianov
International Journal of Theoretical and Applied Multiscale Mechanics (IJTAMM), Vol. 1, No. 4, 2010

Abstract: This paper focuses on statistical analysis of the effect of geometrical parameters on the overall resistance of a cluster of microcontacts. We analyse variation in mutual positions and radii of individual contacts from the mean values. It is shown that the effect of perturbations in the mutual positions is very small and the mean distance between the contact centres can be used to estimate the overall resistance. Effect of perturbations in the contact radii is small when the mean radius is small. Using elasticity-conductivity cross-property connections, this result is transferred to the incremental elastic stiffness of the cluster.

Online publication date: Wed, 26-Jan-2011

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