多层石墨烯纳米片填充环氧树脂介质弛豫参数的测定

2020 IEEE 10th International Conference Nanomaterials: Applications & Properties (NAP) Pub Date : 2020-11-09 DOI:10.1109/NAP51477.2020.9309543

B. Gorelov, A. Gorb, Z. Czapla, O. Polovina, S. Shulga, S. Wacke

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引用次数: 0

摘要

在[4 Hz, 8 MHz]和[95,350K]的频率-温度范围内，测量了多层石墨烯纳米片填充的环氧纳米复合材料的介电常数和介电损耗因子。计算了介质强度、偶极偶极耦合能、宏观弛豫时间和分子弛豫时间随填料体积浓度的变化。讨论了参数随浓度增加而变化的物理原因。

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Determination of Dielectric Relaxation Parameters in Epoxy Filled with Multilayered Graphene Nanoplatelets

Both dielectric permittivity and dielectric loss factor have been measured for epoxy nanocomposites filled with multilayered graphene nanoplatelets within the frequency-temperature range of [4 Hz, 8 MHz] and [95, 350K]. The dielectric strength, dipole-dipole coupling energy, macroscopic, and molecular relaxation times have been calculated as functions of volume concentration of the filler. Physical reasons underlying variations in the parameters with increasing concentration have been discussed.

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2020 IEEE 10th International Conference Nanomaterials: Applications & Properties (NAP)

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