AZ31镁合金双极脉冲模式等离子体电解氧化及其腐蚀对镀层表面形貌的影响

IF 1.1 4区材料科学 Q3 Engineering

Materials Science-Poland Pub Date : 2023-08-16 DOI:10.5755/j02.ms.32182

R. Drunka, I. Blumbergs, P. Iesalniece, K. Savkovs, I. Šteins

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引用次数: 1

摘要

采用PEO法制备AZ31镁合金板材，提高AZ31镁合金的耐蚀性。通过研究KOH浓度、工作电压和脉冲性能对镀层的影响，优化了PEO制备工艺参数。然后利用这些条件制备PEO涂层AZ31试样，并在3% NaCl溶液中浸泡1周。在电解液中加入了三种改性剂，并对其浓度进行了变化，研究了改性剂浓度对镀层性能的影响。目测了腐蚀程度，发现含有三种改性剂的电解质配方效果最好。

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Plasma electrolytic oxidation of AZ31 Mg alloy in bipolar pulse mode and influence of corrosion to surface morphology of obtained coatings

PEO method was used with AZ31 Mg alloy plates for improving corrosion resistance of the alloy. Process parameters for the PEO setup were optimized by studying the effects of KOH concentration, operating voltage, and pulse properties on the obtained coating. These conditions were then used to produce PEO coated AZ31 specimen and were tested by immersion in 3% NaCl solution for 1 week. Three types of modifiers were used in the electrolyte and concentrations of the modifiers were varied to study the effect of concentration on the performance of coating obtained. Extent of corrosion was visually examined, and it was found that an electrolyte recipe with all three modifiers produced the best results.

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来源期刊

Materials Science-Poland 工程技术-材料科学：综合

CiteScore

1.70

自引率

18.20%

发文量

审稿时长

6.2 months

期刊介绍： Material Sciences-Poland is an interdisciplinary journal devoted to experimental research into results on the relationships between structure, processing, properties, technology, and uses of materials. Original research articles and review can be only submitted.