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  • On the tensile behavior of hetero-junction carbon nanotubes

    Author(s)
    Yengejeh, Sadegh Imani
    Zadeh, Mojtaba Akbar
    Oechsner, Andreas
    Griffith University Author(s)
    Oechsner, Andreas
    Imani Yengejeh, Sadegh
    Year published
    2015
    Metadata
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    Abstract
    Several straight hetero-junctions carbon nanotubes (CNTs) are constructed and their tensile behavior are investigated. It is pointed that the Young's modulus of hetero-junctions is lower than the values of their fundamental homogeneous CNTs due to the existence of pentagon–heptagon pair defects. In addition, it is revealed that the Young's modulus of homogeneous zigzag CNTs increases by increasing the chiral number of these nano-structures. Finally, it is concluded that as the connecting length of the hetero-junctions increases the Young's modulus of these particular CNTs decreases. Therefore, the tensile strength of ...
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    Several straight hetero-junctions carbon nanotubes (CNTs) are constructed and their tensile behavior are investigated. It is pointed that the Young's modulus of hetero-junctions is lower than the values of their fundamental homogeneous CNTs due to the existence of pentagon–heptagon pair defects. In addition, it is revealed that the Young's modulus of homogeneous zigzag CNTs increases by increasing the chiral number of these nano-structures. Finally, it is concluded that as the connecting length of the hetero-junctions increases the Young's modulus of these particular CNTs decreases. Therefore, the tensile strength of hetero-junctions depends on the presence of pentagon–heptagon pair defects.
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    Journal Title
    Composites Part B: Engineering
    Volume
    75
    DOI
    https://doi.org/10.1016/j.compositesb.2015.02.001
    Subject
    Numerical Modelling and Mechanical Characterisation
    Engineering
    Publication URI
    http://hdl.handle.net/10072/171045
    Collection
    • Journal articles

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