Characterization Study of an Oxide Film Layer Produced under CO<sub>2</sub>/Steam Atmospheres on Two Different Maraging Steel Grades
Currently, surface treatments lead to inducing a superficial layer of several nanometers up to micrometer, which in some cases can be protective. In this experimental work, an oxide layer was generated under different atmospheres (CO<sub>2</sub> and steam atmospheres) during the thermal...
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MDPI AG
2021-05-01
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| Series: | Metals |
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| Online Access: | https://www.mdpi.com/2075-4701/11/5/746 |
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| author | Mauro Andres Cerra Florez Gemma Fargas Ribas Joan Josep Roa Rovira Enrique Vilarrasa-Garcia Enrique Rodríguez-Castellon Ana Beatriz Ferreira Sousa Jorge Luiz Cardoso Marcelo José Gomes da Silva |
| author_facet | Mauro Andres Cerra Florez Gemma Fargas Ribas Joan Josep Roa Rovira Enrique Vilarrasa-Garcia Enrique Rodríguez-Castellon Ana Beatriz Ferreira Sousa Jorge Luiz Cardoso Marcelo José Gomes da Silva |
| author_sort | Mauro Andres Cerra Florez |
| collection | DOAJ |
| description | Currently, surface treatments lead to inducing a superficial layer of several nanometers up to micrometer, which in some cases can be protective. In this experimental work, an oxide layer was generated under different atmospheres (CO<sub>2</sub> and steam atmospheres) during the thermal aging treatment of two different maraging grades, 300 and 350. Afterwards, this layer was microstructural and mechanically characterized by advanced characterization techniques at the micro- and submicron length scale to highlight some information related to the generated oxide layer. The results showed that the oxide layer (in both grades) was made up of several compounds like: TiO<sub>2</sub>, MoO<sub>3</sub>, hematite (α-Fe<sub>2</sub>O<sub>3</sub>), and CoFe<sub>2</sub>O<sub>4</sub>, this being the majority compound distributed homogeneously throughout the layer. Furthermore, a nickel-rich austenitic phase at the interphase was mainly made up cobalt ions (Co<sup>2+</sup>), instead of iron ions (Fe<sup>2+</sup>), within the spinel lattice. |
| first_indexed | 2024-03-10T11:45:06Z |
| format | Article |
| id | doaj.art-4060e626a5854cb18db74053b77a929c |
| institution | Directory Open Access Journal |
| issn | 2075-4701 |
| language | English |
| last_indexed | 2024-03-10T11:45:06Z |
| publishDate | 2021-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Metals |
| spelling | doaj.art-4060e626a5854cb18db74053b77a929c2023-11-21T18:07:00ZengMDPI AGMetals2075-47012021-05-0111574610.3390/met11050746Characterization Study of an Oxide Film Layer Produced under CO<sub>2</sub>/Steam Atmospheres on Two Different Maraging Steel GradesMauro Andres Cerra Florez0Gemma Fargas Ribas1Joan Josep Roa Rovira2Enrique Vilarrasa-Garcia3Enrique Rodríguez-Castellon4Ana Beatriz Ferreira Sousa5Jorge Luiz Cardoso6Marcelo José Gomes da Silva7LACAM-Department of Metallurgical and Materials Engineering, Campus do Picí, Universidade Federal do Ceará, Bloco 729, Fortaleza 60440-554, BrazilCenter for Structural Integrity, Reliability and Micromechanics of Materials (CIEFMA), Department of Materials Science and Engineering, Escola d’Enginyeria de Barcelona Est, Universitat Politècnica de Catalunya, 08019 Barcelona, SpainCenter for Structural Integrity, Reliability and Micromechanics of Materials (CIEFMA), Department of Materials Science and Engineering, Escola d’Enginyeria de Barcelona Est, Universitat Politècnica de Catalunya, 08019 Barcelona, SpainGPSA-Department of Chemical Engineering, Campus do Picí, Universidade Federal do Ceará, Bloco 1010, Fortaleza 60455-760, BrazilDepartment of Inorganic Chemistry, Crystallography and Mineralogy, Campus de Teatinos, University of Malaga, 29071 Málaga, SpainLACAM-Department of Metallurgical and Materials Engineering, Campus do Picí, Universidade Federal do Ceará, Bloco 729, Fortaleza 60440-554, BrazilLACAM-Department of Metallurgical and Materials Engineering, Campus do Picí, Universidade Federal do Ceará, Bloco 729, Fortaleza 60440-554, BrazilLACAM-Department of Metallurgical and Materials Engineering, Campus do Picí, Universidade Federal do Ceará, Bloco 729, Fortaleza 60440-554, BrazilCurrently, surface treatments lead to inducing a superficial layer of several nanometers up to micrometer, which in some cases can be protective. In this experimental work, an oxide layer was generated under different atmospheres (CO<sub>2</sub> and steam atmospheres) during the thermal aging treatment of two different maraging grades, 300 and 350. Afterwards, this layer was microstructural and mechanically characterized by advanced characterization techniques at the micro- and submicron length scale to highlight some information related to the generated oxide layer. The results showed that the oxide layer (in both grades) was made up of several compounds like: TiO<sub>2</sub>, MoO<sub>3</sub>, hematite (α-Fe<sub>2</sub>O<sub>3</sub>), and CoFe<sub>2</sub>O<sub>4</sub>, this being the majority compound distributed homogeneously throughout the layer. Furthermore, a nickel-rich austenitic phase at the interphase was mainly made up cobalt ions (Co<sup>2+</sup>), instead of iron ions (Fe<sup>2+</sup>), within the spinel lattice.https://www.mdpi.com/2075-4701/11/5/746maraging steel gradesoxide layermicrostructural characterizationsliding propertiesspinelnickel-rich austenitic phase |
| spellingShingle | Mauro Andres Cerra Florez Gemma Fargas Ribas Joan Josep Roa Rovira Enrique Vilarrasa-Garcia Enrique Rodríguez-Castellon Ana Beatriz Ferreira Sousa Jorge Luiz Cardoso Marcelo José Gomes da Silva Characterization Study of an Oxide Film Layer Produced under CO<sub>2</sub>/Steam Atmospheres on Two Different Maraging Steel Grades Metals maraging steel grades oxide layer microstructural characterization sliding properties spinel nickel-rich austenitic phase |
| title | Characterization Study of an Oxide Film Layer Produced under CO<sub>2</sub>/Steam Atmospheres on Two Different Maraging Steel Grades |
| title_full | Characterization Study of an Oxide Film Layer Produced under CO<sub>2</sub>/Steam Atmospheres on Two Different Maraging Steel Grades |
| title_fullStr | Characterization Study of an Oxide Film Layer Produced under CO<sub>2</sub>/Steam Atmospheres on Two Different Maraging Steel Grades |
| title_full_unstemmed | Characterization Study of an Oxide Film Layer Produced under CO<sub>2</sub>/Steam Atmospheres on Two Different Maraging Steel Grades |
| title_short | Characterization Study of an Oxide Film Layer Produced under CO<sub>2</sub>/Steam Atmospheres on Two Different Maraging Steel Grades |
| title_sort | characterization study of an oxide film layer produced under co sub 2 sub steam atmospheres on two different maraging steel grades |
| topic | maraging steel grades oxide layer microstructural characterization sliding properties spinel nickel-rich austenitic phase |
| url | https://www.mdpi.com/2075-4701/11/5/746 |
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