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Texture-controlled hybrid materials fabricated using nanosecond technology

Title
Texture-controlled hybrid materials fabricated using nanosecond technology
Author
좌용호
Keywords
Boron nitride; Polysiloxane; Nanosecond pulse electric field; Magnetic field; GROWN CARBON-FIBERS; ELECTRIC-FIELD; MAGNETIC-FIELD; BN NANOSHEETS; NANOCOMPOSITES; COMPOSITE; ALIGNMENT; FILMS; POLYMERIZATION; CONDUCTIVITY
Issue Date
2016-02
Publisher
CERAMIC SOC JAPAN-NIPPON SERAMIKKUSU KYOKAI
Citation
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN, v. 124, No. 3, Page. 197-202
Abstract
The controlled assembly of micro- and nano-ceramic fillers in polymer nanocomposites provides robust properties such as wetting, adhesion, thermal conductivity, electrical insulation and optical activity, and enable the extended application of these hybrid materials as thermal interfacing materials in microelectronics and for energy conversion. However, the required properties can only be obtained either by homogeneous mixing or by anisotropic orientation of a large amount (> 50 vol.%) of expensive fillers, which is economically inefficient. Here we propose a strategy for tuning the orientation and assembly of ceramic boron nitride nanofillers in a polymer nanocomposite using a small amount (< 5 vol.%) of filler to enhance thermal conduction. The texture of the BN fillers is tuned by application of a nanosecond pulse electric field and a superconductor magnetic field (10 T); the three-dimensional structure of the products was analyzed using 3-D X-ray CT scanning. The enhanced anisotropic orientation and thermal properties of the products were assessed as a function of the structural variation of the boron nitride fillers in the polymer. (C) 2016 The Ceramic Society of Japan. All rights reserved.
URI
https://www.jstage.jst.go.jp/article/jcersj2/124/3/124_15215/_article/-char/ja/https://repository.hanyang.ac.kr/handle/20.500.11754/102111
ISSN
1882-0743; 1348-6535
DOI
10.2109/jcersj2.15215
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MATERIALS SCIENCE AND CHEMICAL ENGINEERING(재료화학공학과) > Articles
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