Investigation of the structure of two heat-temperature nickel-based alloys after high-temperature deformation

The structural tests of turbine blades made from two commercial high-temperature nickel-based alloys were carried out after their test operation at elevated temperature and stresses. Both alloys contain 40% of a hardening intermetallic phase and the upper operating temperature of both alloys is limi...

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Bibliographic Details
Published in:Physics of metals and metallography 2015-02, Vol.116 (2), p.200-208
Main Authors: Davydov, D. I., Vinogradova, N. I., Kazantseva, N. V., Stepanova, N. N.
Format: Article
Language:English
Subjects:
Alloys
Chemistry and Materials Science
Deformation
Gas-turbines
Hardening
High temperature
Intermetallic compounds
Intermetallic phases
Investigations
Materials Science
Metallic Materials
Metallography
Nickel
Nickel base alloys
Operating temperature
Specialty metals industry
Strength and Plasticity
Turbine blades
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Summary:The structural tests of turbine blades made from two commercial high-temperature nickel-based alloys were carried out after their test operation at elevated temperature and stresses. Both alloys contain 40% of a hardening intermetallic phase and the upper operating temperature of both alloys is limited to 900°C, but they have a different resistance to high-temperature deformation.
ISSN:0031-918X
1555-6190
DOI:10.1134/S0031918X15020052