Integrated Imaging Facility

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  • Author(s):
    K. Manukyan, J. Pauls, C. Shuck, S. Rouvimov, A. Mukasyan, K. Nazaretyan, H. Chatilyan, S. Kharatyan
    Abstract:

    A high-speed electrothermography approach is applied to investigate the mechanism and kinetics for nanostructured Al/Ni foils. Application of the Kolmogorov-Johnson-Mehl-Avrami and adiabatic thermal explosion models reveal that the activation energy for nucleation appears to be much higher than that for reaction. It is shown that formation of intermetallic nuclei is the limiting step that defines the ignition characteristics of the foils at temperatures below 500 K, while the process is react…

    Date Published:
    2018
    Record Visibility:
    Public