| 炭黑橡胶复合材料导热逾渗行为 |
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| 引用本文： | 宋君萍,何燕,马连湘.炭黑橡胶复合材料导热逾渗行为[J].工程热物理学报,2011(4):641-644. |
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| 作者姓名： | 宋君萍 何燕 马连湘 |
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| 作者单位： | 青岛科技大学; |
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| 基金项目： | 国家自然科学基金资助项目(No.50773034) |
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| 摘 要： | 研究了导电炭黑40b2填充天然橡胶复合材料的导热性能和力学性能随炭黑体积分数的变化规律,并采用扫描电子显微镜观察了炭黑橡胶体系内部的炭黑分布状况.结果表明,导热性能随炭黑体积分数的变化规律存在类似于导电逾渗现象的导热逾渗现象,逾渗阈值在8.3%～13.63%之间.在逾渗阈值之后,复合材料的拉伸强度下降.炭黑橡胶复合材料...
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| 关 键 词： | 炭黑 橡胶 导热性能 逾渗 微观形态 |
Percolation Behavior in Thermal Conductivity of Carbon Black Filled Rubber |
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| SONG Jun-Ping HE Yan MA Lian-Xiang.Percolation Behavior in Thermal Conductivity of Carbon Black Filled Rubber[J].Journal of Engineering Thermophysics,2011(4):641-644. |
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| Authors: | SONG Jun-Ping HE Yan MA Lian-Xiang |
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| Institution: | SONG Jun-Ping HE Yan MA Lian-Xiang (Qingdao University of Science and Technology,Qingdao 266061,China) |
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| Abstract: | The rule of thermal conductivity and mechanical property of conduction carbon black 40b2 filled natural rubber composites with volume fraction was studied,and a scanning electronic microscope was used to observe the distribution of carbon black in rubber.The relationship of thermal conductivity and volume fraction of the filler shows a kind of percolation phenomenon,which is similar with percolation phenomenon in conduction,and percolation threshold is in between 8.3% and 13.63%.When the volume fraction of ... |
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| Keywords: | carbon black rubber thermal conductivity percolation morphology |
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