FIELD: metallurgy.
SUBSTANCE: reaction mixture is prepared containing oxidiser, deoxidiser, high melting component, gasifier and liquid vehicle gasifiable by thermal decomposition. Workpiece is obtained by reaction mixture prepressing in shape-generating mandrel. The workpiece is dried in shape-generating mandrel followed by the workpiece removal and curing. Self-spreading high-temperature synthesis of unit from reaction mixture of the workpiece is performed outdoors in mandrels from fire-resistant, gas-permeable, carbon-containing material.
EFFECT: obtaining high-porous long ceramic units with relation of altitude to diameter up to 5 under increase of open porousness, thermal resistance, compression strength, as well as improving items quality and simplifying tooling structure.
4 cl, 1 dwg, 2 tbl, 2 ex
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