Wear-Corrosion Synergy on Din-16MnCr5 Steel Under Nitriding and Post-Oxidizing Treatments
| Autor: | Wilbert David Wong-Ángel, José Fco. Martínez-Trinidad, Usiel Sandino Silva-Rivera, Ivan Campos-Silva, V. Hernandez-Hernandez, R. A. García-León |
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| Rok vydání: | 2021 |
| Předmět: |
Materials science
020209 energy Mechanical Engineering Materials Science (miscellaneous) Tribocorrosion Metallurgy Metals and Alloys 02 engineering and technology Corrosion chemistry.chemical_compound 020303 mechanical engineering & transports 0203 mechanical engineering Volume (thermodynamics) chemistry Mechanics of Materials Oxidizing agent 0202 electrical engineering electronic engineering information engineering Materials Chemistry Degradation (geology) Polarization (electrochemistry) Nitriding Magnetite |
| Zdroj: | Journal of Bio- and Tribo-Corrosion. 7 |
| ISSN: | 2198-4239 2198-4220 |
| Popis: | New results about the wear-corrosion synergy behavior of nitrided DIN-16MnCr5 steel immersed in a saline solution were obtained in this work. Tribocorrosion tests were performed on three different samples under ball-on-flat configuration: nitriding, nitriding plus post-oxidation, and untreated material using electrochemical polarization with an open-circuit potential in a 5% NaCl solution. The sliding wear tests in the presence and absence of corrosion were developed under 20 N of normal load, 2.5 mm of stroke length, 10 mm/s of speed, 100 m of total sliding distance, and Al2O3 balls of O = 4.8 mm that were used as a counterpart according to the ASTM G119 standard procedure. The results showed that the presence of a magnetite phase (Fe3O4) at the surface of the nitrided plus post-oxidation on DIN-16MnCr5 steel increased the wear-corrosion synergy around ~ 5 times with respect to the untreated samples, which provides a potential solution to reduce the degradation impact in mechanical components for navy military industry applications. However, the wear-corrosion synergy (T) contribution to volume removal is higher than wear-corrosion (∆WC) by itself and also than the contribution of corrosion due to wear (∆CW). |
| Databáze: | OpenAIRE |
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