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    Application of Ni and Cu nanoparticles in transient liquid phase (TLP) bonding of Ti-6Al-4V and Mg-AZ31 alloys

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    Publication date
    2014-07-30
    Author
    Atieh, A.M.
    Khan, Tahir I.
    Keyword
    TLP bonding, Nanoparticles, Nickel, Ti-6Al-4-V, Mg-AZ31, eutectic
    Rights
    © Springer Science+Business Media New York 2014. The final publication is available at Springer via http://dx.doi.org/10.1007/s10853-014-8473-z
    Peer-Reviewed
    Yes
    
    Metadata
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    Abstract
    The transient liquid phase (TLP) bonding of Ti-6Al-4V alloy to a Mg-AZ31 alloy was performed using an electrodeposited Ni coating containing a dispersion of Ni and Cu nanoparticles. Bond formation was attributed to two mechanisms; first, solid-state diffusion of Ni and Mg, followed by liquid eutectic formation at the Mg-AZ31 interface. Second, the solid-state diffusion of Ni and Ti at the Ti-6Al-4V interface resulted in a metallurgical joint. The joint interface was characterized by scanning electron microscopy, energy dispersive X-ray spectroscopy, and X-ray diffraction analysis. Microhardness and shear strength tests were used to investigate the mechanical properties of the bonds. The use of Cu nanoparticles as a dispersion produced the maximum joint shear strength of 69 MPa. This shear strength value corresponded to a 15 % enhancement in joint strength compared to TLP bonds made without the use of nanoparticles dispersion.
    URI
    http://hdl.handle.net/10454/11603
    Version
    No full-text in the repository
    Citation
    Atieh AM and Khan TI (2014) Application of Ni and Cu nanoparticles in transient liquid phase (TLP) bonding of Ti-6Al-4V and Mg-AZ31 alloys. Journal of Materials Science. 49(22): 7648-7658.
    Link to publisher’s version
    http://dx.doi.org/10.1007/s10853-014-8473-z
    Type
    Article
    Collections
    Engineering and Informatics Publications

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