Electrical Conductivity Research of Inhomogeneous Ceramic-Metal Composites

机译：非均质陶瓷金属复合材料的电导率研究

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In this paper the electrical conductivity of Cu_2O matrix inhomogeneous composites were tested. Cu_2O matrix inhomogeneous composites, which were prepared by traditional powder metallurgy method, were with different Cu content and porosities. The results show that the electrical conductivity as a function of Cu content is consistent with percolation theory. The relationship between electrical conductivity and porosity can be calculated using the equation, σ = σ_0(1-θ)~n. When the Cu content is below the percolation threshold, the temperature dependence of the electrical conductivity shows a hysteresis phenomenon.

机译：本文测试了Cu_2O基体不均匀复合材料的电导率。传统的粉末冶金法制备的Cu_2O基体不均匀复合材料具有不同的Cu含量和孔隙率。结果表明，电导率随Cu含量的变化符合渗流理论。可以使用公式σ=σ_0（1-θ）〜n计算电导率与孔隙率之间的关系。当Cu含量低于渗滤阈值时，电导率的温度依赖性显示出滞后现象。

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来源
《Frontier of nanoscience and technology》|2011年|p.733-737|共5页
会议地点 Kunming(CN);Kunming(CN)
作者
Lichao Feng; Xuemei Yu; Bin Qiao; Yiqiang He;
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作者单位

School of Mechanical Engineering, Huaihai Institute of Technology, Lianyungang, 222005, Jiangsu,China;

School of Mechanical Engineering, Huaihai Institute of Technology, Lianyungang, 222005, Jiangsu,China;

School of Mechanical Engineering, Huaihai Institute of Technology, Lianyungang, 222005, Jiangsu,China;

School of Mechanical Engineering, Huaihai Institute of Technology, Lianyungang, 222005, Jiangsu,China;

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会议组织
原文格式 PDF
正文语种 eng
中图分类工程材料一般性问题;
关键词
composite; electrical conductivity; porosity; percolation theory; hysteresis phenomenon;

机译：综合;电导率孔隙率渗流理论磁滞现象;

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Electrical Conductivity Research of Inhomogeneous Ceramic-Metal Composites

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