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Alignment of Rods and Flakes using Electric Field

Qin, Rongshan (2019). Alignment of Rods and Flakes using Electric Field. Advanced Materials Letters, 10(12) pp. 899–902.

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DOI (Digital Object Identifier) Link: https://doi.org/10.5185/amlett.2019.0020
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Abstract

Electrically neutral anisotropic objects can be aligned by the applied electric field. The required processing conditions include to submerge the objects in a matrix with higher electrical conductivity than that of the objects and to apply electric field to the suspension. The objects may be in rod, disk, flakes or other anisotropic shapes. Carbon nanotubes, silicon nanowires, micro coils, DNA and many bacteria can be approximated as rod-like shape, and graphene can be considered as a shape of flake. A fundamental investigation to this phenomenon has been carried out in the present work. Numerical calculation based on thermodynamics shows a confirmative trend to use electric field to align those materials. The driving force in the alignment processing is an equivalent configuration force dependent on the discrepancy between the electrical properties of the anisotropic particles and matrix.

Item Type: Journal Item
Copyright Holders: 2019 VBRI Press
ISSN: 0976-3961
Project Funding Details:
Funded Project NameProject IDFunding Body
Not SetEP/R029598/1EPSRC
Study of the electropulse-based superclean steel green processing methodNA150320The Royal Society
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Engineering and Innovation
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Item ID: 61246
Depositing User: Rongshan Qin
Date Deposited: 16 May 2019 10:29
Last Modified: 22 Mar 2020 05:00
URI: http://oro.open.ac.uk/id/eprint/61246
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