Oxidation Behavior of Maraging 300 Alloy Exposed to Nitrogen/Water Vapor Atmosphere at 500 °C
Aging heat treatments in maraging steels are fundamental to achieve the excellent mechanical properties required in several industries, i.e., nuclear, automotive, etc. In this research, samples of maraging 300 alloy were aged using a novel procedure that combines different steps with two atmospheres...
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MDPI AG
2021-06-01
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| Series: | Metals |
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| Online Access: | https://www.mdpi.com/2075-4701/11/7/1021 |
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| author | Mauro Andres Cerra Florez Gemma Fargas Ribas Jorge Luiz Cardoso Antonio Manuel Mateo García Joan Josep Roa Rovira Moises Bastos-Neto Hamilton Ferreira Gomes de Abreu Marcelo José Gomes da Silva |
| author_facet | Mauro Andres Cerra Florez Gemma Fargas Ribas Jorge Luiz Cardoso Antonio Manuel Mateo García Joan Josep Roa Rovira Moises Bastos-Neto Hamilton Ferreira Gomes de Abreu Marcelo José Gomes da Silva |
| author_sort | Mauro Andres Cerra Florez |
| collection | DOAJ |
| description | Aging heat treatments in maraging steels are fundamental to achieve the excellent mechanical properties required in several industries, i.e., nuclear, automotive, etc. In this research, samples of maraging 300 alloy were aged using a novel procedure that combines different steps with two atmospheres (nitrogen and water vapor) for several hours. The oxidized surface layer was chemical, microstructural and micromechanically characterized. Due to the thermodynamic and kinetic conditions, these gases reacted and change the surface chemistry of this steel producing a thin iron-based oxide layer of a homogeneous thickness of around 500 nm. Within the aforementioned information, porosity and other microstructural defects showed a non-homogeneous oxide, mainly constituted by magnetite, nickel ferrite, cobalt ferrite, and a small amount of hematite in the more external parts of the oxide layer. In this sense, from a chemical point of view, the heat treatment under specific atmosphere allows to induce a thin magnetic layer in a mixture of iron, nickel, and cobalt spinel ferrites. On the other hand, the oxide layer presents an adhesive force 99 mN value that shows the capability for being used for tribological applications under sliding contact tests. |
| first_indexed | 2024-03-10T10:04:11Z |
| format | Article |
| id | doaj.art-04c6e2e8dca5436da74784e20238f646 |
| institution | Directory Open Access Journal |
| issn | 2075-4701 |
| language | English |
| last_indexed | 2024-03-10T10:04:11Z |
| publishDate | 2021-06-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Metals |
| spelling | doaj.art-04c6e2e8dca5436da74784e20238f6462023-11-22T01:39:26ZengMDPI AGMetals2075-47012021-06-01117102110.3390/met11071021Oxidation Behavior of Maraging 300 Alloy Exposed to Nitrogen/Water Vapor Atmosphere at 500 °CMauro Andres Cerra Florez0Gemma Fargas Ribas1Jorge Luiz Cardoso2Antonio Manuel Mateo García3Joan Josep Roa Rovira4Moises Bastos-Neto5Hamilton Ferreira Gomes de Abreu6Marcelo 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, SpainLACAM—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, SpainGrupo de Pesquisa em Separações por Adsorção (GPSA)—Department of Chemical Engineering, Universidade Federal do Ceará, Fortaleza 60455-760, 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, BrazilAging heat treatments in maraging steels are fundamental to achieve the excellent mechanical properties required in several industries, i.e., nuclear, automotive, etc. In this research, samples of maraging 300 alloy were aged using a novel procedure that combines different steps with two atmospheres (nitrogen and water vapor) for several hours. The oxidized surface layer was chemical, microstructural and micromechanically characterized. Due to the thermodynamic and kinetic conditions, these gases reacted and change the surface chemistry of this steel producing a thin iron-based oxide layer of a homogeneous thickness of around 500 nm. Within the aforementioned information, porosity and other microstructural defects showed a non-homogeneous oxide, mainly constituted by magnetite, nickel ferrite, cobalt ferrite, and a small amount of hematite in the more external parts of the oxide layer. In this sense, from a chemical point of view, the heat treatment under specific atmosphere allows to induce a thin magnetic layer in a mixture of iron, nickel, and cobalt spinel ferrites. On the other hand, the oxide layer presents an adhesive force 99 mN value that shows the capability for being used for tribological applications under sliding contact tests.https://www.mdpi.com/2075-4701/11/7/1021maraging alloyoxidation processspinelsliding propertiesXRD studyRaman spectroscopy |
| spellingShingle | Mauro Andres Cerra Florez Gemma Fargas Ribas Jorge Luiz Cardoso Antonio Manuel Mateo García Joan Josep Roa Rovira Moises Bastos-Neto Hamilton Ferreira Gomes de Abreu Marcelo José Gomes da Silva Oxidation Behavior of Maraging 300 Alloy Exposed to Nitrogen/Water Vapor Atmosphere at 500 °C Metals maraging alloy oxidation process spinel sliding properties XRD study Raman spectroscopy |
| title | Oxidation Behavior of Maraging 300 Alloy Exposed to Nitrogen/Water Vapor Atmosphere at 500 °C |
| title_full | Oxidation Behavior of Maraging 300 Alloy Exposed to Nitrogen/Water Vapor Atmosphere at 500 °C |
| title_fullStr | Oxidation Behavior of Maraging 300 Alloy Exposed to Nitrogen/Water Vapor Atmosphere at 500 °C |
| title_full_unstemmed | Oxidation Behavior of Maraging 300 Alloy Exposed to Nitrogen/Water Vapor Atmosphere at 500 °C |
| title_short | Oxidation Behavior of Maraging 300 Alloy Exposed to Nitrogen/Water Vapor Atmosphere at 500 °C |
| title_sort | oxidation behavior of maraging 300 alloy exposed to nitrogen water vapor atmosphere at 500 °c |
| topic | maraging alloy oxidation process spinel sliding properties XRD study Raman spectroscopy |
| url | https://www.mdpi.com/2075-4701/11/7/1021 |
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