| Title: | Polymerised forms in the zirconium conversion coatings on cold-rolled steel : proof of concept |
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| Authors: | ID Kraš, Ana, Institut "Jožef Stefan" (Author)
ID Milošev, Ingrid, Institut "Jožef Stefan" (Author)
ID Seyeux, Antoine (Author)
ID Marcus, Philippe (Author) |
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| Files: |  PDF - Presentation file, download (1,72 MB)
MD5: F558B3B0EF7110914A6B72C3A87B4B6A
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| Language: | English |
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| Typology: | 1.01 - Original Scientific Article |
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| Organization: |  IJS - Jožef Stefan Institute
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| Abstract: | This study validates the proposed polymerised structure, including tetrameric polynuclear species, of solid amorphous oxyhydroxide zirconium conversion coatings on cold-rolled steel using ToF-SIMS. Tetramers are formed at pH near 4 (and possibly higher), with thickness increasing over extended conversion times. EIS in simulated acid rain further demonstrates that optimal coating formation requires a pH of at least 4 and a sufficient conversion time for adequate thickness, confirmed by the high-frequency EIS loop. Tetramer forms were not observed when the coatings were prepared at lower pH or shorter conversion time, proving that the polymerisation step is crucial for obtaining the coatings offering adequate corrosion protection |
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| Publication status: | Published |
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| Publication version: | Version of Record |
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| Submitted for review: | 19.03.2024 |
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| Article acceptance date: | 31.05.2024 |
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| Publication date: | 18.06.2024 |
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| Publisher: | Springer Nature |
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| Year of publishing: | 2024 |
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| Number of pages: | 6 str. |
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| Numbering: | Vol. 8, Art. 65 |
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| Source: | Švica |
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| PID: | 20.500.12556/DiRROS-22087  |
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| UDC: | 54 |
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| ISSN on article: | 2397-2106 |
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| DOI: | 10.1038/s41529-024-00485-3 |
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| COBISS.SI-ID: | 199397379 |
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| Copyright: | © The Author(s) 2024 |
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| Publication date in DiRROS: | 23.04.2025 |
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| Views: | 567 |
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| Downloads: | 165 |
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