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Strycker, Joost De
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Topics
Publications (9/9 displayed)
- 2023Identification of carbon-containing phases in electrodeposited hard Fe–C coatings with intentionally codeposited carbon
- 2020Molecular Characterization of Bonding Interactions at the Buried Steel Oxide-Aminopropyl Triethoxysilane Interface Accessed by Ar Cluster Sputteringcitations
- 2020Molecular Characterization of Multiple Bonding Interactions at the Steel Oxide - Aminopropyl triethoxysilane Interface by ToF-SIMScitations
- 2019Chromium(iii) in deep eutectic solvents: towards a sustainable chromium(vi)-free steel plating processcitations
- 2019Influence of water content and applied potential on the electrodeposition of Ni coatings from deep eutectic solventscitations
- 2016Influence of Applied Potential, Water Content and Forced Convection on the Electrodeposition of Ni Films on Steel from Choline Chloride Based Deep Eutectic Solvents
- 2016Electrodeposition of Nickel from Deep Eutectic Solvents
- 2013Corrosion Study on Al-rich Metal-Coated Steel by Odd >Random Phase Multisine Electrochemical Impedance Spectroscopy
- 2013Mechanism of corrosion protection of hot-dip aluminium-silicon coatings on steel studied by electrochemical depth profilingcitations
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article
Identification of carbon-containing phases in electrodeposited hard Fe–C coatings with intentionally codeposited carbon
Abstract
<p>Electrodeposition from an environmentally friendly iron sulfate electrolyte with citric acid as carbon source has gained attention recently, because of excellent mechanical properties of the resulting Fe–C coatings with intentionally codeposited high-carbon concentrations. While being very attractive as protective coatings and sustainable alternatives for hard chrome coatings, comprehensive understanding of the coatings' chemical constitution including the type and location of carbon-containing phases is still lacking. The amount of codeposited carbon of up to about 0.8 wt.% significantly exceeds the solubility of carbon in ferrite, although carbon-free ferrite is the only unambiguously reported phase in as-deposited Fe–C coatings so far. In the present work, time-of-flight secondary ion mass spectrometry, X-ray photoelectron spectroscopy, and soft X-ray emission spectroscopy have been applied to identify the carbon-containing phases, which are present as minor secondary phases in the coatings but are known to have an important influence on the coatings' properties. Three carbon-containing phases could be distinguished, homogeneously distributed in the nanocrystalline ferrite base material. Iron acetates, amorphous carbon, and carbides were found in both as-deposited and annealed Fe–C coatings up to 300°C, but their fraction changes during postdeposition annealing.</p>