ASTM D5470热导性电绝缘材料热传输特性标准试验方法
日期:2012-02-07 17:59
a sample material can be accurately determined by excluding the interfacial thermal resistance. This is accomplished by measuring the thermal impedance of different thicknesses of the material under test and plotting thermal impedance versus thickness. The inverse of the slope of the resulting straight line is the apparent thermal conductivity. The intercept at zero thickness is the sum of the contact resistances at the two surfaces.
The contact resistance can be reduced by applying thermal grea
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