Abstract

This work is devoted to improving the technology involved in producing long-length powder permeable materials (PPM) by the dry radial-isostatic pressing (DRIP) method in order to obtain products with a uniform density distribution by volume. Based on the study of density distributions in long-length PPM, we proposed new technological schemes and technical solutions for equipment and tools for DRIP long-length powder products of simple and complex forms. The obtained multilayer PPM have significantly higher permeability, pollutant capacity, and service life compared to existing analogs. The developed technology of step-by-step DRIP of powder materials allows to obtain high-performance PPM with uniform density distributions by volume, homogeneous porous structure, and stable operational characteristics.

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