[1]黄文涛,雪生兵,邹文兵*,等.doi: 10.3969/j.issn.1001-3849.2025.10.002磷化和磷化-电泳复合处理对ZM6性能的影响研究[J].电镀与精饰,2025,(10):11-16.
　Huang Wentao,Xue Shengbing,Zou Wenbing*,et al.Effect of phosphating and phosphating-electrophoresis compound treatment on properties of ZM6[J].Plating & Finishing,2025,(10):11-16.
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doi: 10.3969/j.issn.1001-3849.2025.10.002磷化和磷化-电泳复合处理对ZM6性能的影响研究()

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG]

卷:
期数:
2025年10
页码:
11-16
栏目:
出版日期:
2025-10-31

文章信息/Info

Title:
Effect of phosphating and phosphating-electrophoresis compound treatment on properties of ZM6
作者:
黄文涛; 雪生兵; 邹文兵*; 丁 宁
(新江科技(江苏)
Author(s):
Huang Wentao;  Xue Shengbing;  Zou Wenbing*;  Ding Ning
(Xinjiang Science and Technology (Jiangsu) Co., Ltd., Nantong 226143, China)
关键词:
镁合金; 磷酸盐转化; 电泳; 耐蚀性; 极化曲线
Keywords:
magnesium alloy;  phosphate conversion;  electrophoresis;  corrosion resistance;  polarization curve
分类号:
TQ150.6
文献标志码:
A
摘要:
为了研究磷化和磷化-电泳处理对ZM6短期防护和长期防护的适应性应用，分别采用磷化和磷化-电泳复合处理在ZM6镁合金表面制备一层磷化膜和磷化-电泳复合膜层，通过扫描电镜、能谱分析、厚度均匀性分析、电化学极化曲线和交流阻抗谱对两种膜层的性能进行测试，并分别与微弧氧化膜和微弧氧化-电泳复合膜层进行性能对比。结果表明：在一定制备条件下，磷化膜粗糙多孔，膜层主要为O、Mn、Mg、P等元素，厚度达到11.2～13.5 μm，膜层厚度均匀，磷化膜的自腐蚀电位比ZM6微弧氧化膜的电位低，但两者膜层耐蚀性差距不大。磷化-电泳复合膜层均匀致密，膜层主要为C、O元素，厚度为25.3～28.5 μm，磷化-电泳复合膜层的自腐蚀电位高于镁合金微弧氧化-电泳复合膜层，磷化-电泳复合膜层的耐蚀性能更高。因此，磷化-电泳复合处理比单一磷化处理更能提高ZM6镁合金的耐蚀性，与微弧氧化和微弧氧化-电泳处理相比，磷化更适用于ZM6短期防护，而磷化-电泳复合处理更适合ZM6长期防护。
Abstract:
In order to research the adaptability of phosphating treatment and phosphating-electrophoresis treatment for short-term and long-term protection of ZM6, a phosphating film and phosphating-electrophoresis composite film were prepared on the surface of ZM6 magnesium alloy by phosphating and phosphating-electrophoresis composite treatment, respectively. The properties of the two films were tested by scanning electron microscope, energy spectrum analysis, thickness uniformity analysis, electrochemical polarization curve and AC impedance spectroscopy, and compared with those of micro-arc oxidation film and micro-arc oxidation electrophoresis composite film, respectively. The results showed that under certain preparation conditions, the phosphating film was rough and porous, and the film was mainly composed of O, Mn, Mg, P and other elements, with a thickness of 11.2-13.5 μm and a uniform film thickness. The self-corrosion potential of the phosphating film was lower than that of the ZM6 micro-arc oxidation film, but there was little difference in corrosion resistance between the two films. The phosphating-electrophoresis composite film was uniform and dense, and the film was mainly composed of C and O elements, with a thickness of 25.3-28.5 μm. The self-corrosion potential of phosphating-electrophoresis composite film was higher than that of magnesium alloy micro-arc oxidation-electrophoresis composite film, and the corrosion resistance of phosphating-electrophoresis composite film was higher. Therefore, phosphating electrophoresis composite treatment can improve the corrosion resistance of ZM6 magnesium alloy more than single phosphating treatment. Compared with micro-arc oxidation and micro-arc oxidation electrophoresis treatment, phosphating is more suitable for short-term protection of ZM6, while phosphating electrophoresis composite treatment is more suitable for long-term protection of ZM6

参考文献/References:

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更新日期/Last Update: 2025-10-15