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Kopec, Mateusz
Institute of Fundamental Technological Research
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Publications (7/7 displayed)
- 2024High-Temperature Fatigue Testing of Turbine Blades
- 2024Effect of Aluminide Coating Thickness on High-Temperature Fatigue Response of MAR-M247 Nickel-Based Superalloycitations
- 2023Microstructural evolution of 6061 aluminium alloy subjected to static and dynamic compression at low temperaturecitations
- 2023Effect of Aluminizing on the Fatigue and High-Temperature Corrosion Resistance of Inconel 740 Nickel Alloycitations
- 2023Thermal Barrier Coatings for High-Temperature Performance of Nickel-Based Superalloys: A Synthetic Reviewcitations
- 2022Identification and characterization of the grinding burns by eddy current methodcitations
- 2020Hot stamping of titanium alloys
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article
Effect of Aluminide Coating Thickness on High-Temperature Fatigue Response of MAR-M247 Nickel-Based Superalloy
Abstract
<jats:p>In this paper, 20 µm and 40 µm thick aluminide coatings were deposited on MAR-M247 nickel-based superalloy through the chemical vapor deposition (CVD) process in a hydrogen protective atmosphere for 4 h and 12 h, respectively, at a temperature of 1040 °C and an internal pressure of 150 mbar. The effect of aluminide coating thickness on the high-temperature performance of the MAR-M247 nickel-based superalloy was examined during a fatigue test at 900 °C. After high-temperature testing, the specimens were subjected to fractographic analysis to reveal the damage mechanisms. No significant effect of coating thickness was found since the material exhibited a similar service life throughout the fatigue test when subjected to the same stress amplitude. One should stress that the coating remained well adhered after specimen fracture, confirming its effectiveness in protecting the material against high-temperature oxidation.</jats:p>