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Nanoindentation of carbon microfibers deposited by laser-assisted chemical vapor deposition

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Abstract

Carbon microfibers were deposited using laser-assisted chemical vapor deposition at atmospheric and sub-atmospheric pressures. Precursor pressures and incident laser powers were varied. Fibers were cast in acrylic resin and polished to allow nanoindentation of the cross sections. Cross-sectional roughness was examined by optical profilometry. A radial change in mechanical properties was observed. The local elastic modulus (Young’s modulus) and hardness for the edge and core regions are reported. These mechanical properties were investigated with respect to deposition parameters and corresponding fiber microstructure.

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Authors and Affiliations

  1. Department of Materials Chemistry, The Ångström Laboratory, Uppsala University, Box 538, 75121, Uppsala, Sweden

    R. Longtin, C. Fauteux & M. Boman

  2. Freeform Fabrication Laboratories, Department of Mechanical Engineering, École Polytechnique de Montréal, Box 6079, Station A, Montréal, PQ H3C 3A7, Canada

    R. Longtin, C. Fauteux & J. Pegna

  3. Department of Materials Science, The Ångström Laboratory, Uppsala University, Box 534, 75121, Uppsala, Sweden

    E. Coronel & U. Wiklund

Authors
  1. R. Longtin
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  2. C. Fauteux
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  3. E. Coronel
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  4. U. Wiklund
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  5. J. Pegna
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  6. M. Boman
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Correspondence to R. Longtin.

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PACS

81.15.Fg; 81.05.Uw; 46.55.+d

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Longtin, R., Fauteux, C., Coronel, E. et al. Nanoindentation of carbon microfibers deposited by laser-assisted chemical vapor deposition. Appl. Phys. A 79, 573–577 (2004). https://doi.org/10.1007/s00339-003-2449-1

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  • DOI: https://doi.org/10.1007/s00339-003-2449-1

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