FIELD: metallurgy.
SUBSTANCE: blade has disposed along basic lengthwise direction central zone forming core and peripheral zone forming casing which envelopes core and forms metallurgic connections between them. The core is made out of the first material containing at least metallic matrix on aluminium base. The casing is made out of the second material containing at least metallic matrix on aluminium base. At least one from the first and the second materials is a composite material with metallic matrix containing reinforcing elements dispersed in it. For blade fabrication a semi-product containing the core and the casing is formed by means of compression. Produced semi-product is forged into a blank having the final shape of the blade; then the blank is mechanically processed into the blade.
EFFECT: light weight of blade, high heat resistance and strength.
19 cl, 5 dwg
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