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Preparation of Single-Walled Carbon Nanotube Solids and Their Mechanical Properties

Published online by Cambridge University Press:  03 March 2011

Go Yamamoto ,
Yoshinori Sato ,
Toru Takahashi ,
Mamoru Omori ,
Toshiyuki Hashida ,
Akira Okubo ,
Sadao Watanabe  and
Kazuyuki Tohji
Go Yamamoto*
Affiliation:
Fracture and Reliability Research Institute, Tohoku University, Aoba-ku, Sendai, 980-8579, Japan
Yoshinori Sato
Affiliation:
Graduate School of Environmental Studies, Tohoku University, Aoba-ku, Sendai, 980-8579, Japan
Toru Takahashi
Affiliation:
Fracture and Reliability Research Institute, Tohoku University, Aoba-ku, Sendai, 980-8579, Japan
Mamoru Omori
Affiliation:
Fracture and Reliability Research Institute, Tohoku University, Aoba-ku, Sendai, 980-8579, Japan
Toshiyuki Hashida
Affiliation:
Fracture and Reliability Research Institute, Tohoku University, Aoba-ku, Sendai, 980-8579, Japan
Akira Okubo
Affiliation:
Institute for Materials Research, Tohoku University, Aoba-ku, Sendai, 980-8577, Japan
Sadao Watanabe
Affiliation:
Institute for Materials Research, Tohoku University, Aoba-ku, Sendai, 980-8577, Japan
Kazuyuki Tohji
Affiliation:
Graduate School of Environmental Studies, Tohoku University, Aoba-ku, Sendai, 980-8579, Japan
*
a)Address all correspondence to this author. e-mail: gyamamoto@rift.mech.tohoku.ac.jp
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Abstract

Single-walled carbon nanotubes (SWCNTs) were successfully solidified without any additives by hot-pressing and spark plasma sintering (SPS). The elastic modulus and fracture strength of the SWCNT solid prepared by the SPS method were about three and two times higher than that of the hot-pressed SWCNT solid prepared under the same processing condition. The enhancement of the mechanical properties of the SPS specimen may be due to the formation of comparatively stronger bond between SWCNTs, which is possibly brought about by the spark plasma generated in the SPS process.

Keywords

Hot pressingMechanical propertiesSintering
Type
Rapid Communications
Information
Journal of Materials Research , Volume 20 , Issue 10 , October 2005 , pp. 2609 - 2612
Copyright
Copyright © Materials Research Society 2005

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References

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