Proceedings of 1998 International Symposium on Electrical Insulating Materials. 1998 Asian International Conference on Dielectr
DOI: 10.1109/iseim.1998.741753 View full text |Buy / Rent full text
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“…For p > 30 vol%, the effect of the increase in the total number of particles becomes relatively high compared to that of the increase in the number of particles aligned in the direction of the electric field, which makes the increase in σ moderate. According to percolation theory for composites consisting of conducting particles and an insulating resin [10,11], the second inflection point at 30 vol% is called the percolation threshold ( p c ). In general σ satisfies the equation…”
Section: Discussionmentioning
“…for p ≥ p c [10]. By substituting p c = 30 vol%, σ( p c ) = 3.4 × 10 −6 S/m, and A = 10 −7 S/m into Eq.…”
Section: Discussionmentioning
“…To make the tactile sensor have typical pressure-sensitive characters and the flexibility of sensitive skin simultaneously, the quantity of doped conductive particles will be determined on during practical application .Generally, when the content of conductive particles reaches certain critical value, the resistivity of the material will decrease sharply; then tend to be stable. This critical value is usually called percolation threshold value, and this phenomenon is percolation phenomenon [6]. Therefore, according to different contents of conductive particles in insulation polymer matrix, there are 3 areasinsulation zone, conduction zone and percolation zone.…”
Section: The Effect Of Pressure-sensitivementioning