FIELD: metallurgy.
SUBSTANCE: method includes receiving of master, matrix and shell with inflatable and branch ducts. Matrix is received from preprepared composite material with additions of particles of one or more fractions of metallic or non-metallic materials of size up to 5.0 mm in volume from 10 up to 70% from volume of initial polymer material, poured into shell and isolated from 5 up to 120 min with following solidification of composite and following extraction of model.
EFFECT: upgraded quality of received consumable patterns and increasing of yield.
2 cl, 3 tbl
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