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Microstructure and corrosion behavior of Cu-based alloys containing Al-Ag after normalizing and annealing heat treatments.

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Title: Microstructure and corrosion behavior of Cu-based alloys containing Al-Ag after normalizing and annealing heat treatments.
Authors: Flores-Sanchez, D.1 (AUTHOR) fs.daniel04@gmail.com, Suárez-Rosales, M. A.1 (AUTHOR), Landa-Castro, M.1 (AUTHOR), Gutiérrez-Arzaluz, M.2 (AUTHOR), Palomar-Pardavé, M.1 (AUTHOR), Romero-Romo, M. A.1 (AUTHOR) mmrr@azc.uam.mx
Source: Journal of Solid State Electrochemistry. Nov2023, Vol. 27 Issue 11, p2937-2946. 10p.
Subjects: Heat treatment, Silver alloys, Carbon steel, Microstructure, Aluminum bronze, Scanning electron microscopy, Alloys
Abstract: The alloys of the aluminum bronze system contain 5–14wt% Al that can be heat treated giving as result of different microstructures that were characterized by optical microscopy and scanning electron microscopy. This work aimed at investigating the influence of the microstructures of a Cu-9Al-3Ag alloy obtained after normalizing and annealing heat treatments, on the corrosion behavior in a saline medium containing 0.5 M sodium chloride, NaCl. The corrosion effect on the phases compounding the overall microstructures as result of immersing the samples in the corrosive medium was evaluated using cyclic voltammetry, potentiodynamic polarization curves, and electrochemical impedance spectroscopy. The results showed that normalizing and annealing heat treatments redefined the distribution of the α phase and, in addition led to formation of proeutectoid pearlite (α + γ2), which is a microstructural constituent configured similarly to that present in diverse carbon steels, though in this case displaying a sequence of alternate lamellae of α and γ2, respectively. From the results of the linear polarization plots, the maximum anodic potentials became apparent, just like the regions where the trend of the graph gave the impression that passivation were to gain control. Likewise, the Tafel plots and impedance tests evidenced that the as-cast and normalized samples exhibited a better resistance to corrosion, at variance with the results of the annealed sample. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Solid State Electrochemistry is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
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DbLabel: Engineering Source
An: 172892621
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PubTypeId: academicJournal
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  Data: Microstructure and corrosion behavior of Cu-based alloys containing Al-Ag after normalizing and annealing heat treatments.
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  Data: <searchLink fieldCode="AR" term="%22Flores-Sanchez%2C+D%2E%22">Flores-Sanchez, D.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> fs.daniel04@gmail.com</i><br /><searchLink fieldCode="AR" term="%22Suárez-Rosales%2C+M%2E+A%2E%22">Suárez-Rosales, M. A.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Landa-Castro%2C+M%2E%22">Landa-Castro, M.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gutiérrez-Arzaluz%2C+M%2E%22">Gutiérrez-Arzaluz, M.</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Palomar-Pardavé%2C+M%2E%22">Palomar-Pardavé, M.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Romero-Romo%2C+M%2E+A%2E%22">Romero-Romo, M. A.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> mmrr@azc.uam.mx</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Solid+State+Electrochemistry%22">Journal of Solid State Electrochemistry</searchLink>. Nov2023, Vol. 27 Issue 11, p2937-2946. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Heat+treatment%22">Heat treatment</searchLink><br /><searchLink fieldCode="DE" term="%22Silver+alloys%22">Silver alloys</searchLink><br /><searchLink fieldCode="DE" term="%22Carbon+steel%22">Carbon steel</searchLink><br /><searchLink fieldCode="DE" term="%22Microstructure%22">Microstructure</searchLink><br /><searchLink fieldCode="DE" term="%22Aluminum+bronze%22">Aluminum bronze</searchLink><br /><searchLink fieldCode="DE" term="%22Scanning+electron+microscopy%22">Scanning electron microscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Alloys%22">Alloys</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: The alloys of the aluminum bronze system contain 5–14wt% Al that can be heat treated giving as result of different microstructures that were characterized by optical microscopy and scanning electron microscopy. This work aimed at investigating the influence of the microstructures of a Cu-9Al-3Ag alloy obtained after normalizing and annealing heat treatments, on the corrosion behavior in a saline medium containing 0.5 M sodium chloride, NaCl. The corrosion effect on the phases compounding the overall microstructures as result of immersing the samples in the corrosive medium was evaluated using cyclic voltammetry, potentiodynamic polarization curves, and electrochemical impedance spectroscopy. The results showed that normalizing and annealing heat treatments redefined the distribution of the α phase and, in addition led to formation of proeutectoid pearlite (α + γ2), which is a microstructural constituent configured similarly to that present in diverse carbon steels, though in this case displaying a sequence of alternate lamellae of α and γ2, respectively. From the results of the linear polarization plots, the maximum anodic potentials became apparent, just like the regions where the trend of the graph gave the impression that passivation were to gain control. Likewise, the Tafel plots and impedance tests evidenced that the as-cast and normalized samples exhibited a better resistance to corrosion, at variance with the results of the annealed sample. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Journal of Solid State Electrochemistry is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1007/s10008-023-05565-z
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      – SubjectFull: Silver alloys
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      – SubjectFull: Carbon steel
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      – SubjectFull: Scanning electron microscopy
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      – SubjectFull: Alloys
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      – TitleFull: Microstructure and corrosion behavior of Cu-based alloys containing Al-Ag after normalizing and annealing heat treatments.
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              M: 11
              Text: Nov2023
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              Y: 2023
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