FIELD: process engineering.
SUBSTANCE: invention relates to repair of gas turbine blades with at least one worn-out root with one lateral surface that features insufficient size. Note here that application of material on at least one surface is performed so that root features overdimension. Then, the root is machined to remove material from at least one side surface to rated size. Adhesive material is used for recovery of rated size of the root. Note here that adhesive material application is performed for recovery of turbine blade heat-isolation coating system comprising adhesive layer and heat-isolation layer.
EFFECT: efficient recovery with lower costs and material input.
12 cl, 6 dwg
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