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    Influence of microstructures on mechanical behaviours of SiC nanowires: a molecular dynamics study

    172801_42194_Nanotech_manu_11.pdf (11.79Mb)
    Access Status
    Open access
    Authors
    Wang, Jun
    Lu, Chungsheng
    Wang, Q.
    Xiao, P.
    Ke, F.
    Bai, Y.
    Shen, Y.
    Liao, X.
    Gao, H.
    Date
    2012
    Collection
    • Curtin Research Publications
    Type
    Journal Article
    Metadata
    Show full item record
    Abstract

    The tensile behaviours of [111]-oriented SiC nanowires with various microstructures areinvestigated by using molecular dynamics simulations. The results revealed the influence ofmicrostructures on brittleness and plasticity of SiC nanowires. Plastic deformation is mainlyinduced by the anti-parallel sliding of 3C−grains along an intergranular amorphous film parallel tothe (111) plane and inclined at an angle of 19.47º with respect to the nanowire axis. Our studysuggests that the wide dispersion of mechanical properties of SiC nanowires observed in experiments might be attributed to their diverse microstructures.

    Citation
    Wang, Jun and Lu, Chungsheng and Wang, Qi and Xiao, Pan and Ke, Fujiu and Bai, Yilong and Shen, Yaogen and Liao, Xiaozhou and Gao, Huajian. 2012. Influence of microstructures on mechanical behaviours of SiC nanowires: a molecular dynamics study. Nanotechnology. 22 (2): pp. 025703.
    Source Title
    Nanotechnology
    URI
    http://hdl.handle.net/20.500.11937/45873
    DOI
    10.1088/0957-4484/23/2/025703
    Department
    Department of Mechanical Engineering
    Remarks

    Copyright © 2012 Institute of Physics (IOP)

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