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  • Author(s):
    Alexander S. Mukasyan, Alexander S. Rogachev
    Abstract:

    Combustion synthesis (CS) is a specific approach for fabrication of a variety of advanced materials through use of self-sustaining chemical reactions. Controlling over the microstructure of the material is a key factor in defining the maturity of a technology. In this work, we demonstrate that under specific conditions, morphology and microstructure of the initial reaction media do not change during the CS process. Thus, one may control the microstructure of CS materials by preparing the desi…

    Date Published:
    2017
    Record Visibility:
    Public
  • Author(s):
    Joshua M. Pauls, Christopher E. Shuck, Alexander S. Rogachev, Alexander S. Mukasyan
    Abstract:

    Reactive Ni/Al composite particles with different internal microstructures were fabricated by ball milling (BM). The propagation of gasless combustion waves through the compacted composite particle media was investigated using high-speed microscope video recording (HSMVR), with a resolution of 10 μm/pixel and 21.25 μs/frame. The microstructural combustion-wave characteristics, including hesitation time, propagation step size, instantaneous velocity, intraparticle reaction time, and average co…

    Date Published:
    2017
    Record Visibility:
    Public