铅浓度对电沉积锌铅合金镀层性能的影响

IF 1 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Digest Journal of Nanomaterials and Biostructures Pub Date : 2023-10-30 DOI:10.15251/djnb.2023.184.1269

S. Benamora, M. Diafi, A. Touane, D. Sahnoune

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引用次数: 0

摘要

叙述了铅浓度对连续电流沉积法制备锌铅合金的影响。利用扫描电子显微镜(SEM)和x射线衍射仪(XRD)分析了镀层的形貌，确定了镀层的择优结晶取向。在3% NaCl溶液中进行电位极化测量(Tafel)，研究了Zn-Pb合金的耐腐蚀性能，结果表明，与Zn合金相比，Zn-Pb合金的耐腐蚀性能增强，在Zn-Pb中添加Pb可以提高合金的显微硬度，XRD和SEM结果表明，任何镀层的Zn-Pb合金成分都可以证明这一点。富锌(η相)。

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The influence of lead concentration on the properties of the electrodeposited zinc–lead alloy coatings

The effects the concentration of lead on zinc-lead alloys obtained from sulphate baths under continuous current deposition are described. The deposit morphology was analyzed using Scanning Electron Microscopy (SEM) and X-Ray Diffraction (XRD) was used to determine the preferred crystallographic orientations of the deposits. Protection against corrosion properties studied in a solution of 3 % NaCl in the potentiodynamic polarization measurements (Tafel), It has been observed that the Zn–Pb alloy is characterized by enhanced the resistance of corrosion compared to the Zn alloys and the addition of Pb in the Zn-Pb increases the micro-hardness, XRD and SEM results an identify any coatings Zn-Pb alloy composition reveals that. Zinc - rich (η- phase).

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