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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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Hoche, Holger
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2024Requirement-specific Adjustment ofResidual Stresses During Cold Extrusion
- 2024Investigation on surface characteristics of wall structures out of stainless steel 316L manufactured by laser powder bed fusioncitations
- 2024Empowering PVD for corrosion protectioncitations
- 2024Enhanced susceptibility of high-strength fastener nuts to hydrogen-induced stress corrosion crackingcitations
- 2024Calibration of the residual stresses with an active die during the ejection phase of cold extrusion
- 2022Investigation of Material Properties of Wall Structures from Stainless Steel 316L Manufactured by Laser Powder Bed Fusioncitations
- 2021Calibration of the residual stresses with an active die during the ejection phase of cold extrusioncitations
- 2020Specific Characteristics of Materials Produced by Additive Manufacturing as Compared to Those Produced by Established Manufacturing Methods taking the Example of Alloy 718citations
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article
Empowering PVD for corrosion protection
Abstract
<jats:title>Summary</jats:title><jats:p>A novel, monolithic DC‐magnetron sputtered TiN+MgGd coating, only 3to5 μm thick, effectively protects steel substrates from corrosion. This achievement is due to alloying of TiN with MgGd, which not only maintains the renowned wear resistance of TiN coatings, but potentially improves it through optimized deposition parameters.</jats:p><jats:p>The key to the enhanced corrosion resistance lies in the addition of magnesium (Mg) and gadolinium (Gd). It reduces the coating's free corrosion potential, thereby mitigating the driving force for galvanic corrosion between coating and substrate. Moreover, at specific Mg to Gd ratios, a cathodic protection effect can be observed. Crucially, the presence of Gd is essential for this performance. It imparts hydrophobicity to the coating surface, reinforces a passivating layer and significantly enhances defect tolerance.</jats:p><jats:p>This discovery paves the way for a sustainable alternative to electroplated chromium or combined electroplating and PVD, offering superior corrosion protection with minimal coating thickness.</jats:p>