氮化硼填充环氧树脂的导热性:温度依赖性及样品制备的影响

InterSociety Conference on Thermal Phenomena in the Fabrication and Operation of Electronic Components. I-THERM '88 Pub Date : 1988-05-11 DOI:10.1109/ITHERM.1988.28676

P. Bujard

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引用次数: 48

摘要

以六方氮化硼(BN)为过滤剂，制备了具有优良导热性能的可浇注颗粒填充环氧树脂。由于基体中颗粒的团聚效应，氮化硼填充环氧树脂的导热性受到样品制备工艺的影响。树脂导热系数的温度依赖性是作为填料体积含量的函数来测量的。渗滤体系的导热性以复杂的方式取决于填料浓度和温度。讨论了导致所观察到的行为的机制。

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Thermal conductivity of boron nitride filled epoxy resins: temperature dependence and influence of sample preparation

Castable particulate-filled epoxy resins exhibiting excellent thermal conductivity have been prepared using hexagonal boron nitride (BN) as filter. The thermal conductivity of BN filled epoxies is influenced by the sample preparation procedures, due to agglomeration effects of the particles in the matrix. The temperature dependence of the thermal conductivity of resins is measured as a function of the volume content of filler. The thermal conductivity in percolative systems depends in a complex way on the filler concentration and on the temperature. The mechanisms leading to the observed behavior are discussed.<>

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InterSociety Conference on Thermal Phenomena in the Fabrication and Operation of Electronic Components. I-THERM '88

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