THE EFFECT OF A Cr-FREE FINGERPRINT-RESISTANT PASSIVATION FILM ON THE PERFORMANCE OF HOT-DIP 55 % Al-Zn COATED STEEL
Keywords:
Cr-free fingerprint-resistant passivation film, hot dip 55 w/% Al-Zn coated steel, performance evaluation
Abstract
Cr-free fingerprint-resistant hot-dip 55 w/% Al-Zn coated steel (CFAZCS) is a upmarket steel plate product that is widely used in consumer goods with high added value, such as LCD back panels for monitors, as well as various electrical and electronic products. Passivation is a crucial process in the production of CFAZCS, greatly affecting the overall performance of the CFAZCS product. A comprehensive evaluation of passivation films from different manufacturers on the performance of CFAZCS can assist production enterprises in optimizing and controlling the product quality according to the requirements of target customers. This article comprehensively tests and evaluates the performance of corrosion resistance, acid/alkali resistance, anti-yellowing/blackening, paint adhesion, abrasion resistance, fingerprint resistance, and the conductivity of mainstream, commercially available, Cr-free, fingerprint-resistant, passivation solutions, providing guidance for the selection of passivation solutions in production processes.
References
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2 A. Al-Negheimish, R.R. Hussain, A. Alhozaimy, D. Singh, Corrosion performance of hot-dip galvanized zinc-aluminum coated steel rebars in comparison to the conventional pure zinc coated rebars in concrete environment, Constr. Build. Mater., 274 (2021), 121921, doi: 10.1016/j.conbuildmat.2020.121921
3 D. Persson, Thierry, O. Karlsson, Corrosion and corrosion products of hot dipped galvanized steel during long term atmospheric exposure at different sites world-wide, Corros. Sci., 126 (2017), 152-165, doi: 10.1016/j.corsci.2017.06.025
4 Y. Gao, S. Kainuma, M. Yang, S. Ishihara, D. Inoue, Galvanic corrosion behavior of hot-dip Al and 55Al–Zn coatings applied to steel bolted joints in atmospheric environments, Constr. Build. Mater., 401 (2023), 132694, doi: 10.1016/j.conbuildmat.2023.132694
5 B. Pan, H. Sun, S. Shang, W. Wen, M. Banu, J.C. Simmer, B.E. Carlson, N. Chen, Z. Liu, Z. Zheng, P. Wang, J. Li, Corrosion behavior in aluminum/galvanized steel resistance spot welds and self-piercing riveting joints in salt spray environment, J. Manuf. Process., 70 (2021), 608-620, doi: 10.1016/j.jmapro.2021.08.052
6 L. Zhaohua, L. Cheng, X. Zhengfeng, J. Rong, X. Yu, Z. Yannan, Electrochemical Corrosion Behavior of Chromium-Free Composite Passivation Film on Galvanized Steel, Int. J. Electrochem. Sc., 13 (2018) 7, 6473-6483, doi: 10.20964/2018.07.60
7 Z. Yu, J. Hu, H. Meng, A review of recent developments in coating systems for hot-dip galvanized seel, Front. Mater., 7 (2020), 1-19, doi: 10.3389/fmats.2020.00074
8 J. Pan, X. Tang, Y. Li, Influence of treatment time on performance of Cr(III)-based conversion coatings on hot dip Zn–55Al–1.6Si coated steel sheet, Coatings, 9 (2019) 5, 297, doi: 10.3390/coatings9050297
9 T. Guo, C. Liu, C. Ran, X. Dong, Effects of spangle size on performances of hot-dip 55%Al-Zn alloy coating, Int. J. Electrochem. Sc., 13 (2018) 10, 9505-9519, doi: 10.20964/2018.10.07
10 T. Sanchez, S. Zanna, A. Seyeux, M. Vaudescal, P. Marcus, P. Volovitch, J. Światowska, Conversion coating distribution on rough substrates analyzed by combining surface analytical techniques, Appl. Surf. Sci., 556 (2021),149734, doi: 10.1016/j.apsusc.2021.149734
11 I.O. Wallinder, W. He, P.E. Augustsson, C. Leygraf, Characterization of black rust staining of unpassivated 55% Al–Zn alloy coatings, Effect of temperature, pH and wet storage, Corros. Sci., 41 (1999) 12, 2229-2249, doi: 10.1016/S0010-938X(99)00043-8
12 G. Wang, H. Li, P. Li, X. Li, Y. Wang, Effect of cerium on the microstructure and anti-corrosion performance of Al-Zn coatings, Surf. Coat. Tech., 473 (2023) 130046, doi: 10.1016/j.surfcoat.2023.130046
13 J.E. Ramón, I. Martínez, J.M. Gandía-Romero, and J. Soto, Improved Tafel-Based Potentiostatic Approach for Corrosion Rate Monitoring of Reinforcing Steel, J. Nondestruct. Eval., 41 (2022) 4, 70, doi: 10.1007/s10921-022-00903-z
14 H. Lin, Q. Li, S. Zhang, L. Zhang, G. Hu, X. Hu, Involvement of the organics in aqueous phase of bio-oil in hydrothermal carbonization of lignin, Bioresource Technol., 351 (2022), 127055, doi: 10.1016/j.biortech.2022.127055
15 A.K. Balan, S. Mottakkunnu Parambil, S. Vakyath, J. Thulissery Velayudhan, S. Naduparambath, P. Etathil, Coconut shell powder reinforced thermoplastic polyurethane/natural rubber blend-composites: effect of silane coupling agents on the mechanical and thermal properties of the composites, J. Mater. Sci., 52 (2017) 11, 6712-6725, doi: 10.1007/s10853-017-0907-y
Published
2024-08-19
How to Cite
1.
LiJ, ZhaoZ, TangX, WangY, CaoY, LiY, YuanX, Zhang D. THE EFFECT OF A Cr-FREE FINGERPRINT-RESISTANT PASSIVATION FILM ON THE PERFORMANCE OF HOT-DIP 55 % Al-Zn COATED STEEL. MatTech [Internet]. 2024Aug.19 [cited 2026Mar.15];58(4):511–520. Available from: https://mater-tehnol.si/index.php/MatTech/article/view/1160
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