Ferrite multiphase/carbon nanotube composites sintered by spark plasma sintering

Title
Ferrite multiphase/carbon nanotube composites sintered by spark plasma sintering
Author(s)
한영환X. Zhou[X. Zhou]Y. Zhang[Y. Zhang]Q. Wang[Q. Wang]J. Zhou[J. Zhou]L. Shen[L. Shen]T. Huang[T. Huang]W. Pan[W. Pan]C. Xiang[C. Xiang]H. Tang[H. Tang]이재형배소익이동연Q. Huang[Q. Huang]
Keywords
CARBON NANOTUBES; ELECTRICAL-PROPERTIES
Issue Date
201409
Publisher
CERAMIC SOC JAPAN-NIPPON SERAMIKKUSU KYOKAI
Citation
JOURNAL OF THE CERAMIC SOCIETY OF JAPAN, v.122, no.1429, pp.768 - 771
Abstract
Ni-Carbon nanotube (CNT)-Ni0.5Zn0.5Fe2O4 multiphase composites were sintered by spark plasma sintering (SPS) technique. Ni nanoparticles were in-situ formed due to the localized carbothermal reduction by CNTs and well distributed between grain boundaries in the composites. The electrical conductivity of the resultant multiphase composites was strongly dependent on the weight percentage of CNTs. In the SPS process, CNTs acted as "heating source" and improved the consolidation of the composites. The results indicate that the introduction of the CNTs can promote the sintering kinetics of the ferrite ceramics. However, the grain growth kinetics has been inhibited by SPS and the grain size becomes finer. (C) 2014 The Ceramic Society of Japan. All rights reserved.
URI
http://hdl.handle.net/YU.REPOSITORY/30952http://dx.doi.org/10.2109/jcersj2.122.768
ISSN
1882-0743
Appears in Collections:
공과대학 > 신소재공학부 > Articles
공과대학 > 기계공학부 > Articles
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