Abstract
The existing methods of studying the shock-wave disintegration of brittle powders, e.g., of abrasive and refractory materials, are based on their physicochemical investigation after the application of load. Only one load parameter is employed in these studies, viz., maximum pressure in the load wave, determined by measurement or calculation [1-3]. Because of this, powders produced in different investigations by the application of an explosive load to a starting material under the same shock compression pressures may differ widely in their crystal structure characteristics (magnitude of crystal lattice distortions, density of structural defects, etc.), particle size distribution, phase composition, strength, abrasive ability, and the like. The cause of such differences may reside in the use of impulses of various shapes, varying substantially in front steepness and duration.
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