Investigation and Analytical Description of Acoustic Production by Magneto-Acoustic Mixing Technology
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- Henderson, H.B., Rios, O., Ludtka, G.M. et al. Metall and Materi Trans B (2015) 46: 2020. doi:10.1007/s11663-015-0359-1
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Magneto-Acoustic Mixing Technology is a novel manufacturing method that combines two magnetic fields to produce high-intensity sonication for liquid-state materials processing. This method may be adapted to the manufacture of various materials that benefit from a combination of high temperature, magnetic fields, and acoustic energy. In this work, acoustic generation mechanisms are described in detail and found to be dependent on the skin depth of the induction currents. Analytical models of acoustic pressure are derived, based on two mutually exclusive vibration mechanisms, crucible and melt vibration. Additionally, grain size evidence of acoustic pressure distribution is presented as preliminary model validation.