The pressure-sensitive element (105) may be formed from conductive composite material formed of a polymer and a conductive filler.
压敏元件（105）可由传导复合材料形成，该传导复合材料由聚合物和传导填料组成。
2
The trip principle, mounting methods, element characteristics and influencing factors, and applications of PTC overcurrent protectors based on polymer were introduced in this paper.
介绍了高分子基PTC过电流保护元件的动作原理、安装方式、性能特点，影响因素及其应用。
3
The finite element method is combined with homogenization theory based on asymptotic expansion for predicting effective properties of polymer matrix composites toughened and strengthened by particles.