Synergistic effect of hybrid fillers/ polydimethylsiloxane composites on enhancing thermal conductivity

Chii Rong Yang, Chang Da Chen, Chia Cheng, Wen Hao Shi, Po Han Chen, Tun Ping Teng*

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

摘要

We used the atmospheric plasma process (APP) to modify the particles of spherical aluminum nitride (AlN), graphene (GN), and multi-walled carbon nanotubes (MWCNTs) in different size. Then, the modified AlN particles, GN, and MWCNTs were added in polydimethylsiloxane (PDMS) as fillers to form hybrid fillers/PDMS composites. The thermal conductivity (k) of the test samples was measured using an instrument that referred to the ASTM D5470-06 standard. Finally, at temperature of the room to 600 °C for the sample, the highest k and pure PDMS were tested by thermogravimetric analysis. The results show that the fillers have good combination and dispersion in the PDMS, which promotes the filler to be overlapped and arranged more closely, resulting in a synergistic effect and a significant increase in the k of the hybrid filler/PDMS composites. The configuration conditions of filler with the highest k are 60 wt% spherical AlN particles, 2 wt% GN, and 2 wt% MWCNTs, and its k can reach 7.02 W/m-K. Furthermore, the hybrid fillers/PDMS with the highest k prepared in this study has superior feasibility under the operating temperature range of 200 °C in addition to a superior k value.

原文英語
文章編號101591
期刊Case Studies in Thermal Engineering
28
DOIs
出版狀態已發佈 - 2021 12月

ASJC Scopus subject areas

  • 工程(雜項)
  • 流體流動和轉移過程

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