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Using scanning electron and atomic force microscopy and nano- and microhardness testing, we studied the mechanism of the influence of two types of dynamic impacts (explosive and high-voltage nanosecond electromagnetic pulses) on the morphology and structural and mechanical properties of the surface of rocks (granite, quartzite, coal) and rock-forming minerals (dolomite, calcite, quartz). The advantages of using the mechanical (shock-wave) action of an explosion in the processes of rock softening and the nonthermal effect of high-power electromagnetic pulses to increase the selectivity of liberating mineral intergrowths during the processing of refractory mineral raw materials are shown.
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Bunin et al. (2026) studied this question.
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