LIU Jing, PAN Yi, ZHANG Xiangwu. PTC CHARACTERISTIC OF Sn-Pb ALLOY-LOADED POLYMER COMPOSITES[J]. Acta Materiae Compositae Sinica, 2002, 19(6): 116-119.
Citation: LIU Jing, PAN Yi, ZHANG Xiangwu. PTC CHARACTERISTIC OF Sn-Pb ALLOY-LOADED POLYMER COMPOSITES[J]. Acta Materiae Compositae Sinica, 2002, 19(6): 116-119.

PTC CHARACTERISTIC OF Sn-Pb ALLOY-LOADED POLYMER COMPOSITES

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  • Received Date: April 15, 2001
  • Revised Date: September 20, 2001
  • PTC characteristics of PS and HDPE composites incorporated with Sn-Pb alloy particles were studied. The composites were made by mixing in a satellite ball mill and hot-pressed in a matched metal die. The results show that the low melting point of Sn-Pb alloy results in the excellent PTC characteristics. The electrical resistivity of the Sn-Pb alloy filled PS exhibits PTC characteristic with high density and abrupt transition. The electrical resistivity of the Sn-Pb alloy-loaded HDPE composite exhibits two PTC transitions near the melting points of Sn-Pb alloy and HDPE, respectively.
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