Under 2-4 MPa stress, relaxation process was characterized two relaxation times independent of the content of CB, corresponding to the structure change of conductive network on two different scales.

• 在压缩应力2-4 MPa下,电阻蠕变具有两个与CB含量无关的松弛时间,对应不同尺寸上导电网络的结构变化。