Yıldırım, MehmetAtaş, Mehmet ŞahinAkdeniz, M. VedatMekhrabov, Amdulla O.2022-05-232022-05-2320220960-34091878-6413https://doi.org/10.1080/09603409.2022.2056298https://hdl.handle.net/20.500.13091/2466The influence of Y addition on the microstructural features, phase relationships, hardness, magnetic behaviour and cyclic oxidation performance of Fe60Al40-nYn alloys (n = 1, 3, and 5 at.%) has been examined in detail. Al8Fe4Y phase formed even at 1 at.% Y addition because of the limited solid solubility of Y in the FeAl-based phase. For all the examined compositions, the Al8Fe4Y phase developed a eutectic with the FeAl-based phase and its volume fraction increased with increasing Y up to 5 at.%, which is near the eutectic composition. The mean microhardness values increased with increasing Y content for both as-cast and heat-treated samples. Cyclic oxidation tests revealed that the oxidation rate and scale thickness increased with increasing Y content. alpha-Al2O3 was the main surface oxide for all compositions. theta-Al2O3 was also formed with relatively low amount. An internal oxidation layer composed of mixed Al/Y oxides was observed beneath the surface layer.eninfo:eu-repo/semantics/closedAccessIntermetallicsIron aluminides (based on FeAl)MicrostructureOxidationHigh-Temperature OxidationIron-Aluminum-AlloysMechanical-PropertiesReactive-ElementIntermetallic AlloysFeal IntermetallicsMagnetic-BehaviorCyclic OxidationLaves PhasePart IiArticle10.1080/09603409.2022.20562982-s2.0-85128110142