FIELD: chemothermal treatment of metals.
SUBSTANCE: composition of mixture for repetitive chrome-calorizing of refractory nickel alloys contains 13-21% aluminum, 29-37% chromium, and 50% alumina. Composition can be used in mechanical engineering for protection of gas-turbine engine parts against gas corrosion.
EFFECT: enabled multiple chrome-calorizing at preservation of characteristics of coatings and endurance and reliability of parts operated under thermomechanical loadings and high-temperature oxidation.
4 dwg
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|---|---|---|---|
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|
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