KCS Publications

HOME > Search > Browsing(BKCS) > Archives

Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 33, Number 10
BKCSDE 33(10)
October 20, 2012

Title	Effects of Surface Nitrification on Thermal Conductivity of Modified Aluminum Oxide Nanofibers-Reinforced Epoxy Matrix Nanocomposites
Author	Byung-Joo Kim, Kyong-Min Bae, Kay-Hyeok An, Soo-Jin Park
Keywords	Aluminium oxide, Aluminum nitride, Thermal nitrification, Thermal conductivity
Abstract	Aluminum oxide (Al2O3) nanofibers were treated thermally under an ammonia (NH3) gas stream balanced by nitrogen to form a thin aluminum nitride (AlN) layer on the nanofibers, resulting in the enhancement of thermal conductivity of Al2O3/epoxy nanocomposites. The micro-structural and morphological properties of the NH3- assisted thermally-treated Al2O3 nanofibers were characterized by X-ray diffraction (XRD) and atomic force microscopy (AEM), respectively. The surface characteristics and pore structures were observed by X-ray photoelectron spectroscopy (XPS), Zeta-potential and N2/77 K isothermal adsorptions. From the results, the formation of AlN on Al2O3 nanofibers was confirmed by XRD and XPS. The thermal conductivity (TC) of the modified Al2O3 nanofibers/epoxy composites increased with increasing treated temperatures. On the other hand, the severely treated Al2O3/epoxy composites showed a decrease in TC, resulting from a decrease in the probability of heat-transfer networks between the filler and matrix in this system due to the aggregation of nanofiber fillers.
Page	3258 - 3264
Full Text	PDF

How to access to the WOL for The Bulletin of the Korean Chemical Society ?

The Bulletin of the Korean Chemical Society will be co-published with Wiley-VCH from 2015 towards. The online version of the Journal will thus be available on Wiley Online Library, Wiley(-VCH)'s global online platform.

KCS members can get a free online access to the Bulletin of the Korean Chemical Society in WOL.

Free Access to WOL