Increasing the quality of the EP902 alloy using its properties in the liquid and solid states

Increasing the quality of the EP902 alloy using its properties in the liquid and solid states

The temperature ranges of the structural transformations in the high-temperature nickel-based EP902 superalloy melt relating to the transition of the melt into homogeneous and microuniform states are determined as a result of combined studies of the physical properties of the alloy melt. Based on th...

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Veröffentlicht in:Russian metallurgy Metally 2014-12, Vol.2014 (12), p.992-994
Hauptverfasser: Tyagunov, A. G., Baryshev, E. E., V’yukhin, V. V., Kostina, T. K., Kolotukhin, E. V.
Format: Artikel
Sprache:eng
Schlagworte:
Chemistry and Materials Science
Liquids
Materials Science
Melting
Melts
Metallic Materials
Metallurgy
Nickel base alloys
Physical properties
Solid state
Special Electrometallurgy
Superalloys
Transformations
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Beschreibung
Zusammenfassung:The temperature ranges of the structural transformations in the high-temperature nickel-based EP902 superalloy melt relating to the transition of the melt into homogeneous and microuniform states are determined as a result of combined studies of the physical properties of the alloy melt. Based on these results, a new melting regime is proposed and examined. As a result, the technological problems of casting have been solved and the operating properties of the alloy have been substantially improved.
ISSN:0036-0295
1555-6255
1531-8648
DOI:10.1134/S0036029514120155