2026-04-29T10:58:43Zhttps://riubu.ubu.es/oai/request

oai:riubu.ubu.es:10259/92572024-06-14T00:05:18Zcom_10259_4201com_10259_5086com_10259_2604col_10259_4505

Effect of tempering temperature and grain refinement induced by severe shot peening on the corrosion behavior of a low alloy steel Peral, Luis Borja Ebrahimzadeh, P. Gutiérrez, Ana Gabriela Porras Fernández-Pariente, I. Tempering temperature Potentyodinamic polarization Electrochemical impedance spectroscopy Finite length Warburg Severe shot peening Grain refinement Ingeniería mecánica Materiales Resistencia de materiales Mechanical engineering Materials Strength of materials In this study, the effect of tempering temperature on the corrosion behavior of a low carbon steel (F1272) was analyzed by means of electrochemical tests: linear polarization resistance, potentyodinamic polarization and electrochemical impedance spectroscopy (EIS) in freely aerated 3.5% NaCl solution, at room temperature. The results show that corrosion resistance of the steel increases with elevating tempering temperature from 200 to 500 °C and finally, to 680 °C. Additionally, a severe shot peening (SSP) treatment was applied in the sample with the best corrosion behavior (TT680), in order to modify the grain structure. Results evidence that corrosion resistance of the TT680 sample decreases after the applied SSP treatment (10A and 5000% coverage). Corrosion behavior is discussed through the different microstructural singularities induced both the heat treatments and the SSP. L.B. Peral is grateful for his Margarita Salas Postdoctoral contract (Ref.: MU-21-UP2021-030) funded by the University of Oviedo through the Next Generation European Union. P. Ebrahimzadeh is also grateful for his Predoctoral contract (Ref.: PAPI-21-PF-21) funded by the University of Oviedo and the Santander Bank. 2024-06-13T09:26:18Z 2024-06-13T09:26:18Z 2023-03-01 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 1572-6657 http://hdl.handle.net/10259/9257 10.1016/j.jelechem.2023.117207 eng Journal of Electroanalytical Chemistry. 2023, V. 932, 117207 https://doi.org/10.1016/j.jelechem.2023.117207 Attribution-NonCommercial-NoDerivatives 4.0 Internacional http://creativecommons.org/licenses/by-nc-nd/4.0/ info:eu-repo/semantics/openAccess application/pdf Elsevier