A statistical mechanical model of electrical carbon fiber contacts

This paper presents a model for electrical carbon fiber contacts. In the mo del, a statistically distributed fiber length Ir ns considered at contact s urfaces. A technique of dealing with this kind of contact surfaces with sta tistically determined, or specifically undeterminable, geometry was develop ed. The results were compared with the experimental data obtained previousl y. Also, the contact behaviors of electrical carbon fiber contacts were dis cussed and some specific contact properties, which were also observed exper imental, were clarified. A contact resistance decreasing rate was defined i n a logarithmic-logarithmic scale coordinate. A constant-rate contact regio n was identified. The objective of this research is to provide a theoretica l basis for the contact surface designs of electrical connectors.