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A thermally sensitive energy-absorbing composite functionalized by nanoporous carbon

Published online by Cambridge University Press:  31 January 2011

Weiyi Lu ,
Venkata K. Punyamurtula ,
Aijie Han ,
Taewan Kim  and
Yu Qiao
Weiyi Lu
Affiliation:
Department of Structural Engineering, University of California—San Diego, La Jolla, California 92093-0085
Venkata K. Punyamurtula
Affiliation:
Department of Structural Engineering, University of California—San Diego, La Jolla, California 92093-0085
Aijie Han
Affiliation:
Department of Chemistry, University of Texas—Pam America, Edinburg, Texas 78539
Taewan Kim
Affiliation:
Program of Materials Science & Engineering, University of California—San Diego, La Jolla, California 92093
Yu Qiao*
Affiliation:
Department of Structural Engineering, University of California—San Diego, La Jolla, California 92093-0085; and Program of Materials Science & Engineering, University of California—San Diego, La Jolla, California 92093
*
a) Address all correspondence to this author. e-mail: yqiao@ucsd.edu
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Abstract

A polypropylene-matrix composite material functionalized by nanoporous particulates was produced. When the temperature is relatively low, the matrix dominates the system behavior. When the temperature is relatively high, with a sufficiently large external pressure the polymer phase can be intruded into the nanopores, providing an energy absorption mechanism.

Keywords

AbsorptionCompositeNanostructure
Type
Articles
Information
Journal of Materials Research , Volume 24 , Issue 11 , November 2009 , pp. 3308 - 3312
Copyright
Copyright © Materials Research Society 2009

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