Structure and Corrosion Resistance of Fe40Al5Cr0.2TiB Alloy After Casting and After Homogenization Annealing
This article shows the results of research conducted on the corrosion resistance of the FeAl (Fe40Al5Cr0.2TiB) alloy in two variants: the alloy after casting and after homogenization annealing (1000 °C, 93 h). Analysis of the microstructure of these alloys was conducted on the light microscope, and...
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| Veröffentlicht in: | Materials 2025-01, Vol.18 (2), p.308 |
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| creator | Cebulski, Janusz Pasek, Dorota Popczyk, Magdalena Swinarew, Andrzej Gabor, Jadwiga |
| description | This article shows the results of research conducted on the corrosion resistance of the FeAl (Fe40Al5Cr0.2TiB) alloy in two variants: the alloy after casting and after homogenization annealing (1000 °C, 93 h). Analysis of the microstructure of these alloys was conducted on the light microscope, and the phase composition was determined by X-ray diffraction. Resistance to electrochemical corrosion was tested in a 5% NaCl solution using the potentiodynamic polarization technique and electrochemical impedance spectroscopy. The surface of alloys after corrosion tests was examined by scanning electron microscopy. Chemical composition tests were conducted using an energy-dispersive X-ray spectrometer. The structure analysis was made with an electron backscatter diffraction detector. Based on the studies, it was found that the corrosion resistance of the FeAl alloy after homogenization annealing was higher than that of the FeAl alloy after casting. This alloy showed a more non-homogeneous and coarse-grained microstructure compared to the alloy after homogenization annealing. The investigation of the surface condition of FeAl alloys after corrosion tests showed the presence of pits, particularly in the case of the alloy after casting. |
| doi_str_mv | 10.3390/ma18020308 |
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Analysis of the microstructure of these alloys was conducted on the light microscope, and the phase composition was determined by X-ray diffraction. Resistance to electrochemical corrosion was tested in a 5% NaCl solution using the potentiodynamic polarization technique and electrochemical impedance spectroscopy. The surface of alloys after corrosion tests was examined by scanning electron microscopy. Chemical composition tests were conducted using an energy-dispersive X-ray spectrometer. The structure analysis was made with an electron backscatter diffraction detector. Based on the studies, it was found that the corrosion resistance of the FeAl alloy after homogenization annealing was higher than that of the FeAl alloy after casting. This alloy showed a more non-homogeneous and coarse-grained microstructure compared to the alloy after homogenization annealing. The investigation of the surface condition of FeAl alloys after corrosion tests showed the presence of pits, particularly in the case of the alloy after casting.</description><identifier>ISSN: 1996-1944</identifier><identifier>EISSN: 1996-1944</identifier><identifier>DOI: 10.3390/ma18020308</identifier><identifier>PMID: 39859779</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>Alloys ; Aluminum ; Annealing ; Casting alloys ; Chemical composition ; Corrosion potential ; Corrosion resistance ; Corrosion resistant alloys ; Corrosion tests ; Electrochemical corrosion ; Electrochemical impedance spectroscopy ; Electrode polarization ; Electrodes ; Electron backscatter diffraction ; Ferrous alloys ; Heat resistance ; Homogenization ; Intermetallic compounds ; Iron aluminides ; Light diffraction ; Mechanical properties ; Microstructural analysis ; Microstructure ; Phase composition ; Structural analysis ; Temperature ; X ray spectrometers</subject><ispartof>Materials, 2025-01, Vol.18 (2), p.308</ispartof><rights>2025 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). 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The investigation of the surface condition of FeAl alloys after corrosion tests showed the presence of pits, particularly in the case of the alloy after casting.</description><subject>Alloys</subject><subject>Aluminum</subject><subject>Annealing</subject><subject>Casting alloys</subject><subject>Chemical composition</subject><subject>Corrosion potential</subject><subject>Corrosion resistance</subject><subject>Corrosion resistant alloys</subject><subject>Corrosion tests</subject><subject>Electrochemical corrosion</subject><subject>Electrochemical impedance spectroscopy</subject><subject>Electrode polarization</subject><subject>Electrodes</subject><subject>Electron backscatter diffraction</subject><subject>Ferrous alloys</subject><subject>Heat resistance</subject><subject>Homogenization</subject><subject>Intermetallic compounds</subject><subject>Iron aluminides</subject><subject>Light diffraction</subject><subject>Mechanical properties</subject><subject>Microstructural analysis</subject><subject>Microstructure</subject><subject>Phase composition</subject><subject>Structural analysis</subject><subject>Temperature</subject><subject>X ray spectrometers</subject><issn>1996-1944</issn><issn>1996-1944</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2025</creationdate><recordtype>article</recordtype><sourceid>BENPR</sourceid><recordid>eNpdkV9P5CAUxYlxo8b1xQ9gmvhiTMaFAm15MrXxzyYmm6z6TChzGTEUFFoT_fQyM6668nAhl989OXAQ2if4hFKBfw2KNLjEFDcbaIcIUc2IYGzzy3kb7aX0gPOilDSl2ELbVDRc1LXYQe5mjJMepwiF8vOiCzGGZIMv_kKyaVReQxFMcQEMt453EZ-Ut_asaJ0LL0VrRohFp9Jo_WI1v-5chSEswNtXNS6lWu9BuYz8RD-Mcgn23vdddHdxfttdza7_XP7u2uuZLllNZg30uudckZIZQfs5UX2PCa65plgTLkoKwKvKKEZxZQwHwwxXvCIUeMYM3UWna93HqR9grsGPUTn5GO2g4osMysr_b7y9l4vwLAmpq6rCLCscvSvE8DRBGuVgkwbnlIcwJUmzjVqIhoiMHn5DH8IUfX7fiuIslyZTx2tK5_9NEcyHG4LlMkj5GWSGD776_0D_xUbfAKMbl_U</recordid><startdate>20250111</startdate><enddate>20250111</enddate><creator>Cebulski, Janusz</creator><creator>Pasek, Dorota</creator><creator>Popczyk, Magdalena</creator><creator>Swinarew, Andrzej</creator><creator>Gabor, Jadwiga</creator><general>MDPI AG</general><general>MDPI</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0003-4850-1608</orcidid><orcidid>https://orcid.org/0000-0003-2440-1741</orcidid><orcidid>https://orcid.org/0000-0001-6116-9510</orcidid></search><sort><creationdate>20250111</creationdate><title>Structure and Corrosion Resistance of Fe40Al5Cr0.2TiB Alloy After Casting and After Homogenization Annealing</title><author>Cebulski, Janusz ; 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| source | MDPI - Multidisciplinary Digital Publishing Institute; EZB-FREE-00999 freely available EZB journals; PubMed Central; Free Full-Text Journals in Chemistry; PubMed Central Open Access |
| subjects | Alloys Aluminum Annealing Casting alloys Chemical composition Corrosion potential Corrosion resistance Corrosion resistant alloys Corrosion tests Electrochemical corrosion Electrochemical impedance spectroscopy Electrode polarization Electrodes Electron backscatter diffraction Ferrous alloys Heat resistance Homogenization Intermetallic compounds Iron aluminides Light diffraction Mechanical properties Microstructural analysis Microstructure Phase composition Structural analysis Temperature X ray spectrometers |
| title | Structure and Corrosion Resistance of Fe40Al5Cr0.2TiB Alloy After Casting and After Homogenization Annealing |
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