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Simulation on Thermal Conduction and Dielectric Properties of Nanocomposites
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Zhong WANG, Haohong HE, Lihua ZHAO, Junwen REN, Longwen WU
Insulating Materials | 2022, 55(3) : 51 - 58
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Insulating Materials | 2022, 55(3): 51-58
• Material Research •
Simulation on Thermal Conduction and Dielectric Properties of Nanocomposites
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Zhong WANG, Haohong HE, Lihua ZHAO, Junwen REN, Longwen WU
Affiliations
  • College of Electrical Engineering, Sichuan University, Chengdu 610065, China
Published: 2022-03-20 doi: 10.16790/j.cnki.1009-9239.im.2022.03.007
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Typical boron nitride (BN)/epoxy resin (EP) nanocomposite and barium titanate (BT)/polyvinylidene fluoride (PVDF) nanocomposite were selected as research system, and the influence of nano-particle volume fraction, particle size, and size distribution on the thermal conductivity and dielectric properties of the nanocomposites was studied by finite element method. The equivalent thermal conductivity and dielectric constant of the nanocomposite was calculated by mean field theory. The results show that with the increase of nano-particle volume fraction, the thermal conductivity and dielectric constant of BN/EP and BT/PVDF increase. Under the same volume fraction and size distribution, the thermal conductivity and dielectric constant of BN/EP and BT/PVDF increase with the increase of particle size. Under the same volume fraction and particle size, and the thermal conductivity and dielectric constant of BN/EP and BT/PVDF increase with the increase of particle size standard deviation. Consequently, it is an effective way to improve the properties of material by changing the filler content, particle size, and size standard deviation appropriately according to the specific needs.

nano-particles  /  composite materials  /  finite element method  /  thermal conductivity  /  dielectric constant
Zhong WANG, Haohong HE, Lihua ZHAO, Junwen REN, Longwen WU. Simulation on Thermal Conduction and Dielectric Properties of Nanocomposites[J]. Insulating Materials, 2022 , 55 (3) : 51 -58 . DOI: 10.16790/j.cnki.1009-9239.im.2022.03.007
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doi: 10.16790/j.cnki.1009-9239.im.2022.03.007
  • Receive Date：2021-05-11
  • Online Date：2025-12-22
  • Published：2022-03-20
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  • Received：2021-05-11
  • Revised：2021-06-04
Affiliations
    College of Electrical Engineering, Sichuan University, Chengdu 610065, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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