Issue 113, 2015
From the journal:

RSC Advances

A scalable and facile synthesis of alumina/exfoliated graphite composites by attrition milling†

Eunsil Lee,a   Ki Beom Choi,a   Sung-Min Lee,a   Jong-Young Kim,*a   Jong-Yeol Jung,b   Seung-Woo Baik,b   Young Soo Lim,c   Seung-Joo Kimd  and  Wooyoung Shim*e  

* Corresponding authors

a Icheon Branch, Korea Institute of Ceramic Engineering and Technology, Icheon 467-843, Korea
E-mail: jykim@kicet.re.kr

b Maxtech Co. Ltd., Daegu 704-920, Korea

c Energy and Environmental Division, Korea Institute of Ceramic Engineering and Technology, Jinju-si 660-031, Korea

d Department of Chemistry, Division of Energy Systems Research, Ajou University, Suwon 443-749, Korea

e Department of Materials Science and Engineering, Yonsei University, Seoul 120-749, Korea
E-mail: wshim@yonsei.ac.kr

Abstract

Nanostructured carbon–ceramic nanocomposites are becoming important and promising structural materials for plasma-resistant applications because of their electro-conductive and mechanically robust (fracture-, wear-, and plasma-resistant) nature. In this work, we present a facile one-pot synthesis of alumina/exfoliated graphite (EG) composite by attrition milling employing small ceramic beads. The resulting composite shows homogeneous dispersion of exfoliated graphitic nanosheets in the ceramic matrix. The sintered composites exhibit excellent electrical conductivity (>1000 S m−1), fracture toughness (5.6 MPa m0.5), and wear resistance, which is enhanced by 7.7 times compared to pure alumina.

Graphical abstract: A scalable and facile synthesis of alumina/exfoliated graphite composites by attrition milling

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Article information

DOI
https://doi.org/10.1039/C5RA20796G
Article type
Paper
Submitted
08 Oct 2015
Accepted
23 Oct 2015
First published
23 Oct 2015

RSC Adv., 2015,5, 93267-93273

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A scalable and facile synthesis of alumina/exfoliated graphite composites by attrition milling

E. Lee, K. B. Choi, S. Lee, J. Kim, J. Jung, S. Baik, Y. S. Lim, S. Kim and W. Shim, RSC Adv., 2015, 5, 93267 DOI: 10.1039/C5RA20796G

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