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One-step CVD synthesis of a boron nitride nanotube–iron composite

Published online by Cambridge University Press:  11 May 2011

Rajen B. Patel*
Affiliation:
Department of Physics and Materials Science and Engineering Program, New Jersey Institute of Technology, Newark, New Jersey 07102
Jinwen Liu
Affiliation:
Department of Physics and Materials Science and Engineering Program, New Jersey Institute of Technology, Newark, New Jersey 07102
Jennifer Eng
Affiliation:
Department of Biology, Tufts University, Medford, Massachusetts 02155
Zafar Iqbal
Affiliation:
Department of Physics and Materials Science and Engineering Program; and Department of Chemistry and Environmental Science, New Jersey Institute of Technology, Newark, New Jersey 07102
*
a)Address all correspondence to this author. e-mail: RajenBP@gmail.com
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Abstract

A composite of boron nitride nanotubes (BNNTs) and iron (Fe) has been synthesized using a novel one-step process and characterized by optical, electron microscope, and mechanical measurement techniques. The BNNT–Fe composite, the first of this type produced to the best of our knowledge, is shown to have up to 24% higher specific yield strengths from stress–strain measurements and Rockwell Hardness C Scale (HRC), depth of penetration into sample of 120° diamond cone, 50% higher relative to a control sample of pure Fe. Scanning and transmission electron microscope imaging shows that the composite is comprised of a uniform nanoscale mixture of BNNTs bridging the metal particles.

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Articles
Copyright
Copyright © Materials Research Society 2011

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References

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