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发表时间：2005-01-01

发表刊物：材料工程

所属单位：材料科学与工程学院

期号：2

页面范围：3-5,9

ISSN号：1001-4381

摘要：The dependence of electrical resistance and shielding effectiveness on filler proportioning and tensile force are studied in liquid silicone rubber with different conductive fillers. The result shows that in low resistance shielding effectiveness (SE) can be described well with Schelkunoff the ory. The SE brings the saltation like percolation phenomena with the change of resistance. Under 102 Ω·cm SE is increased rapidly with the decreasing of resistivity. According to the tunneling conductive theory, the dependence of electrical resistance on the tensile force is derived, which can be expressed in the form of polynomial, the experimental results are in excellent with this formula.

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