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- Title
Manipulating Orientation of Silicon Carbide Nanowire in Polymer Composites to Achieve High Thermal Conductivity.
- Authors
Huang, Yun; Hu, Jiantao; Yao, Yimin; Zeng, Xiaoliang; Sun, Jiajia; Pan, Guiran; Sun, Rong; Xu, Jian‐Bin; Wong, Ching‐Ping
- Abstract
Highly thermally conductive polymer composites have received considerable attention, along with development of electronic devices toward being more integrated, miniaturized, and functionalized. However, traditional polymer composites cannot meet the requirement of achieving higher thermal conductivity at relatively low filler loading. Herein, manipulating orientation of silicon carbide nanowire (SiCNW) in epoxy composites by coating method is reported to achieve high in-plane thermal conductivity (10.10 W m−1 K−1) at extremely low filler loading (5 wt%), while it is only 1.78 and 0.30 W m−1 K−1 for epoxy/random SiCNW composite and epoxy/silicon carbide nanoparticle composite. Several models are employed to demonstrate that a good orientation and high aspect ratio of SiCNWs contribute to form heat transfer networks in the composites. This provides a promising future for thermal-management materials, which are widely applied to electronic packaging, aerospace field, and medical engineering.
- Subjects
THERMAL conductivity; SILICON carbide; NANOWIRES; HEAT transfer; NANOPARTICLES
- Publication
Advanced Materials Interfaces, 2017, Vol 4, Issue 17, pn/a
- ISSN
2196-7350
- Publication type
Article
- DOI
10.1002/admi.201700446