RTA-Treated Carbon Fiber/Copper Core/Shell Hybrid for Thermally Conductive Composites
- Authors
- Yu, Seunggun; Park, Bo-In; Park, Cheolmin; Hong, Soon Man; Han, Tae Hee; Koo, Chong Min
- Issue Date
- May-2014
- Publisher
- AMER CHEMICAL SOC
- Keywords
- thermal conductivity; composite; core/shell; rapid thermal annealing (RTA); carbon fiber; electroplating
- Citation
- ACS APPLIED MATERIALS & INTERFACES, v.6, no.10, pp.7498 - 7503
- Indexed
- SCIE
SCOPUS
- Journal Title
- ACS APPLIED MATERIALS & INTERFACES
- Volume
- 6
- Number
- 10
- Start Page
- 7498
- End Page
- 7503
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/25896
- DOI
- 10.1021/am500871b
- ISSN
- 1944-8244
- Abstract
- In this paper, we demonstrate a facile route to produce epoxy/carbon fiber composites providing continuous heat conduction pathway of Cu with a high degree of crystal perfection via electroplating, followed by rapid thermal annealing (RTA) treatment and compression molding. Copper shells on carbon fibers were coated through electroplating method and post-treated via RTA technique to reduce the degree of imperfection in the Cu crystal. The epoxy/Cu-plated carbon fiber composites with Cu shell of 12.0 vol % prepared via simple compression molding, revealed 18 times larger thermal conductivity (47.2 W m(-1) K-1) in parallel direction and 6 times larger thermal conductivity (3.9 W m(-1) K-1) in perpendicular direction than epoxy/carbon fiber composite. Our novel composites with RTA-treated carbon fiber/Cu core/shell hybrid showed heat conduction behavior of an excellent polymeric composite thermal conductor with continuous heat conduction pathway, comparable to theoretical values obtained from Hatta and Taya model.
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