Experimental Research on the Influence of Repeated Overheating on the Thermal Diffusivity of the Inconel 718 Alloy

The Inconel 718 superalloy, a precipitation-hardenable material, is of particular interest for applications involving components operating under extreme conditions due to its excellent mechanical properties, high corrosion resistance at temperatures up to 700 °C, and good workability. At high temper...

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Published in:Applied sciences 2024-09, Vol.14 (18), p.8574
Main Authors: Arva, Elisabeta Roxana Ungureanu, Abrudeanu, Marioara, Negrea, Denis Aurelian, Galatanu, Andrei, Galatanu, Magdalena, Rizea, Alin-Daniel, Anghel, Daniel-Constantin, Branzei, Mihai, Jinga, Alexandra Ion, Petrescu, Mircea Ionut
Format: Article
Language:English
Subjects:
Alloys
Aluminum
Cooling
Corrosion and anti-corrosives
Corrosion resistance
Ductility
Gas turbine engines
Grain boundaries
Heat resistant alloys
Inconel
Influence
Mechanical properties
microstructural transformations
Microstructure
Molybdenum
Morphology
Nickel
Nickel alloys
overheating
Precipitation hardening
solar energy
Solid solutions
Specialty metals industry
Spectrum analysis
Superalloys
Temperature
Thermal properties
thermal transfer
Titanium
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Summary:The Inconel 718 superalloy, a precipitation-hardenable material, is of particular interest for applications involving components operating under extreme conditions due to its excellent mechanical properties, high corrosion resistance at temperatures up to 700 °C, and good workability. At high temperatures, thermal transfer processes are crucial for temperature distribution across the component’s section, structural transformations, and variations in the alloy’s properties. The history of accidental overheating events is critical for the microstructure and properties of the alloy. Studies on thermal transfer in the Inconel 718 alloy available in the literature typically focus on the alloy in its as-delivered state. The experimental research presented in this paper examines the influence of repeated overheating history on the thermal diffusivity of the alloy.
ISSN:2076-3417
2076-3417
DOI:10.3390/app14188574