Influence of Molybdenum and Tungsten on the Formation of Zirconium Oxide Coatings on a Steel Base
Abstract
:1. Introduction
2. Materials and Methods
2.1. Material
2.2. Sample Preparation
2.3. Methods
3. Results
- 0.3 M Na2SO4 + 0.2 g/L Zr (IV) + (0.01–0.2 g/L) Mo (VI)
- 0.3 M Na2SO4 + 0.2 g/L Zr (IV) + 0.15 g/L W (VI)+ (0.01–0.3 g/L) Mo (VI)
4. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Chemical Element | Content, % |
---|---|
Iron (Fe) | 60.8 |
Chromium (Cr) | 17–19 |
Nickel (Ni) | 9–11 |
Manganese (Mn) | ≤2 |
Silicon (Si) | ≤0.8 |
Copper (Cu) | ≤0.3 |
Carbon (C) | ≤0.08 |
Phosphorus (P) | ≤0.035 |
Sulfur (S) | ≤0.02 |
Electrolyte Composition | Ionization Current, mA |
---|---|
0.3 M Na2SO4 + (0.02–1.0 g/L) Zr (IV) | 3.3–1.5 |
0.3 M Na2SO4 + 0.2 g/L Zr (IV) + (0.01–0.2 g/L) Mo (VI) | 0.75–0.25 |
0.3 M Na2SO4 + 0.2 g/L Zr (IV) + 0.15 g/L W(VI) | 0.9 |
0.3 M Na2SO4 + 0.2 g/L Zr (IV) + 0.075 g/L W (VI) + (0.01–0.3 g/L) Mo (VI) | 1.3–0.4 |
0.3 M Na2SO4 + 0.2 g/L Zr (IV) + 0.15 g/L W (VI) + (0.01–0.3 g/L) Mo (VI) | 1.2–0.35 |
Concentration Mo (VI), g/L | 0 | 0.05 | 0.1 | 0.15 |
Depth of corrosive penetration, mm | 6 | 2.3 | 1.8 | 3.3 |
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Bold, A.; Sassykova, L.; Fogel, L.; Vagramyan, T.; Abrashov, A. Influence of Molybdenum and Tungsten on the Formation of Zirconium Oxide Coatings on a Steel Base. Coatings 2021, 11, 42. https://doi.org/10.3390/coatings11010042
Bold A, Sassykova L, Fogel L, Vagramyan T, Abrashov A. Influence of Molybdenum and Tungsten on the Formation of Zirconium Oxide Coatings on a Steel Base. Coatings. 2021; 11(1):42. https://doi.org/10.3390/coatings11010042
Chicago/Turabian StyleBold, Amangul, Larissa Sassykova, Lidiya Fogel, Tigran Vagramyan, and Aleksey Abrashov. 2021. "Influence of Molybdenum and Tungsten on the Formation of Zirconium Oxide Coatings on a Steel Base" Coatings 11, no. 1: 42. https://doi.org/10.3390/coatings11010042