FIELD: process engineering.
SUBSTANCE: invention relates to powder metallurgy, particularly, to production of articles from refractory nickel alloys. It may be used in making critical elements, e.g. discs and shafts operated at increased temperatures in gas turbines with long-term operating cycles. Workpiece for centrifugal is obtained by hot isostatic compaction of pellets produced in gas-jet spraying for further degassing and sealing of said pellets in capsules, hot isostatic compaction and thermal treatments at temperature some 5-30°C higher than that used alloy solvus.
EFFECT: longer life.
1 tbl
| Title | Year | Author | Number |
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