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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Theiß, Ralf
Forschungsgemeinschaft Werkzeuge und Werkstoffe
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Topics
Publications (10/10 displayed)
- 2024Corrosion behavior of two Cu‐based shape memory alloys in NaCl solution: An electrochemical studycitations
- 2024Corrosion behavior of two Cu‐based shape memory alloys in NaCl solution: An electrochemical studycitations
- 2022Variation of Material Properties in Tilt-Cast Cu-Al-Ni Alloy
- 2022Evaluation of efficient and lifetime optimised SMA actuation strategies
- 2022Data Augmentation for Optical Inspection of Additively Manufactured Crimping Tools
- 2022Examination of the Interdependency of Applied Load, Realizable Stroke and Transition Temperatures in Cyclic Tests Concerning Lifetime of Single Crystalline CuAlNi
- 2021Preparation Methods for Lower Bainite after a Continuous Austempering Treatment of Thin Sheets of the Eutectoid Cold Work Steel 80CrV2 (1.2235)citations
- 2021Effects of abnormal grain growth on shape memory characteristics of Cu-Al-Mn alloys
- 2021Hybride Schmiedegesenke
- 2011Recommending Engineering Knowledge in the Product Development Process with Shape Memory Technology
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article
Corrosion behavior of two Cu‐based shape memory alloys in NaCl solution: An electrochemical study
Abstract
<jats:title>Abstract</jats:title><jats:p>The corrosion behavior of two different Cu–Al–Mn–Ni alloys, pseudoelastic and pseudoplastic, was studied in a 0.6 M sodium chloride aqueous solution by monitoring the open circuit potential for 100 h and characterizing the resulting corrosion products. Electrochemical impedance spectroscopy analysis detected three processes related to the electrochemical double layer, a passive film and a diffusive contribution associated with the dissolution/precipitation of corrosion products. Potentiodynamic scans revealed a cathodically controlled corrosion mechanism and the presence of active–passive behavior at anodic potentials for both alloys studied. Polarization of the samples at selected potentials in the anodic branch allowed the investigation of the reactions involved, highlighting an improved corrosion resistance of the pseudoelastic alloy. The corrosion rates of the pseudoelastic and pseudoplastic alloys, after 100 h of immersion, were determined to be 0.007 and 0.011 mmpy, respectively. The post‐experiment characterization was carried out by means of scanning electron microscopy, micro‐Raman spectroscopy and X‐ray diffraction, supporting the electrochemical results.</jats:p>