FIELD: casting production, casting of high-temperature alloys monocrystal blades of gas-turbine engines in particular. SUBSTANCE: apparatus has ceramic shell with in series connected start cavity, crystal separating cavity and operational cavity. Start cavity of ceramic shell is made with closed bottom part, on inner surface of which there is base of refractory polycrystal material. Apparatus provides production of castings without usage of expensive seeds with given crystallographic orientation. EFFECT: decreased cost of monocrystal castings production. 1 dwg
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