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https://hdl.handle.net/20.500.13091/2466
Title: | Effect of Y Addition on the Structural Properties and Oxidation Behavior of Fe60al40-Nyn Alloys (n=1, 3, and 5 At.%) | Authors: | Yıldırım, Mehmet Ataş, Mehmet Şahin Akdeniz, M. Vedat Mekhrabov, Amdulla O. |
Keywords: | Intermetallics Iron aluminides (based on FeAl) Microstructure Oxidation High-Temperature Oxidation Iron-Aluminum-Alloys Mechanical-Properties Reactive-Element Intermetallic Alloys Feal Intermetallics Magnetic-Behavior Cyclic Oxidation Laves Phase Part Ii |
Publisher: | Taylor & Francis Ltd | Abstract: | The 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. | URI: | https://doi.org/10.1080/09603409.2022.2056298 https://hdl.handle.net/20.500.13091/2466 |
ISSN: | 0960-3409 1878-6413 |
Appears in Collections: | Mühendislik ve Doğa Bilimleri Fakültesi Koleksiyonu Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collections WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collections |
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Effect of Y Addition on the Structural Properties and Oxidation Behavior of Fe60Al40 nYn Alloys n 1 3 and 5 at.pdf Until 2030-01-01 | 5.4 MB | Adobe PDF | View/Open Request a copy |
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