Single Crystal Superalloys
Annada Mishra, Pooja Mohapatra, Shreelata Behera, Saleja Sahoo, Lipsa Shubhadarshinee, Bigyan Ranjan Jali, Aruna Kumar Barick, Priyaranjan Mohapatra
Advanced materials such as single crystal superalloys (SCSs) are made especially for high temperature uses, including turbine engines in the aerospace and electricity generation companies. Their single crystalline shape, which distinguishes their microstructures, confers superior mechanical behaviours, including remarkable fatigue strength and creep resistance. As a result, components can continue to function under severe mechanical and thermal stresses, significantly increasing their longevity and efficiency. The creation of these superalloys requires thorough control over processing methods, including directed solidification, which maximizes crystal orientation alignments. The ability to create complicated shapes is made possible by recent advancements in additive manufacturing, i.e., 3D printing, which expands the range of possible uses for these materials. In order to meet the demands of contemporary turbine technology, Ni-based SCSs (Ni-SXs) are essential due to their key performance characteristics, such as oxidation resistance and high-temperature stability. These superalloys will be crucial for the development of turbine design and operation as the need for cleaner and more effective energy sources. Continuous investigation endeavors to improve the compositions and processing techniques of superalloys in order to further extend the performance features. Future high temperature applications depend on the ongoing development of Ni-SXs, which open the door to the development of next-generation energy and aerospace systems.
Keywords
Single Crystal Superalloys, Ni-SXs, Microstructure, Properties, Deformation Mechanism, Applications
Published online 9/10/2025, 31 pages
Citation: Annada Mishra, Pooja Mohapatra, Shreelata Behera, Saleja Sahoo, Lipsa Shubhadarshinee, Bigyan Ranjan Jali, Aruna Kumar Barick, Priyaranjan Mohapatra, Single Crystal Superalloys, Materials Research Foundations, Vol. 178, pp 333-363, 2025
DOI: https://doi.org/10.21741/9781644903698-17
Part of the book on Superalloys
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