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논문 기본 정보

자료유형
학술저널
저자정보
Du-Hwan Jo (POSCO Technology University) Moonjae Kwon (POSCO Technical Research Laboratories) Doojin Paik (POSCO Technical Research Laboratories) Myungsoo Kim (POSCO Technical Research Laboratories)
저널정보
한국부식방식학회 Corrosion Science and Technology CORROSION SCIENCE AND TECHNOLOGY Vol.23 No.3
발행연도
2024.6
수록면
215 - 220 (6page)
DOI
10.14773/cst.2024.23.3.215

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Recently, the demand for Zn-Ni electrogalvanized steel sheets for home appliances and automobiles isincreasing. Products should have a thick plating (30 to 40 g/m2) on both side with a thin thickness (≤ 0.8 mm) andthe highest surface quality. By a high current density operation, current is concentrated in the edge part ofthe steel sheet, resulting in large surface dent defects due to dendritic plating. This can lead to a low pro-ductivity due to low line speed operation. To solve this problem, this study aimed to identify factors influ-encing dendritic plating. A cylindrical electroplating device was manufactured. Effects of cut edge shapeand thickness of steel plate, current density, temperature, flow rate, electrolyte concentration, and pH ondendrite generation of Zn-Ni electroplating were examined. To investigate effect of edge shape of the steelsheet, the steel sheet was manufactured using three processing methods: shearing, polishing after shearing,and laser. Relative effects thickness and cut edge processing methods of the steel plate, current density,temperature, flow rate, electrolyte concentration, and pH of plating solution on dendrite plating were inves-tigated. To prevent dendrite plating, an edge mask was manufactured and its application effect was inves-tigated.

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