FIELD: compressor blade production. SUBSTANCE: method comprises steps of casting blanks with thickness of joint portion, equal to 1.45-2.00 of the joint thickness, and with a thickness for a vane, equal to 1.65-3.35 of the vane thickness of ready blades; heating cast blanks up to temperature, being by 10-30 C lower, than a temperature of polymorphous transition of the alloy; performing deformation process over stage in isothermic conditions with subsequent cooling of forgings at a rate less, than 15 C /s. EFFECT: enhanced quality of blades. 1 cl, 1 tbl
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Authors
Dates
1994-09-15—Published
1991-11-14—Filed