FIELD: process engineering.
SUBSTANCE: invention relates to machine building, particularly, to turbo machine flow section seals operated at higher temperatures and high-frequency oscillations. Preset size and shape copper shell is placed in mould to be filled with conformable material powder. Then, said powder and said shell are molded to form steady-shape blank to be sintered in vacuum or in protective medium.
EFFECT: higher run-in properties, strength and wear resistance, lower costs.
10 cl, 7 dwg, 1 ex
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|---|---|---|---|
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|
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|
RU2498879C1 |
