[1]王丽娟.doi: 10.3969/j.issn.1001-3849.2026.06.007基于锌铝合金镀层的室内装饰材料防腐性能[J].电镀与精饰,2026,(06):56-63.
　WANG Lijuan.Anti-corrosion performance of interior decoration materials based on zinc-aluminum alloy coating[J].Plating & Finishing,2026,(06):56-63.
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doi: 10.3969/j.issn.1001-3849.2026.06.007基于锌铝合金镀层的室内装饰材料防腐性能()

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG]

卷:
期数:
2026年06
页码:
56-63
栏目:
出版日期:
2026-06-30

文章信息/Info

Title:
Anti-corrosion performance of interior decoration materials based on zinc-aluminum alloy coating
作者:
王丽娟
(郑州西亚斯学院 工学部,河南 郑州 45 1100)
Author(s):
WANG Lijuan
(Ministry of Engineering, Zhengzhou Sias College, Zhengzhou 45 1100, China)
关键词:
锌铝合金; 室内装饰; 防腐; 硝酸镧; 稀土材料
Keywords:
zinc-aluminum alloy;  interior decoration;  anti-corrosion;  lanthanum nitrate;  rare earth material
分类号:
TQ153 TG178 TB303
文献标志码:
A
摘要:
在室内装饰领域，金属基体材料因潮湿空气、装修残留酸碱物质等复杂环境易发生电化学腐蚀，导致表面锈蚀、力学性能下降，严重影响装饰效果与材料寿命。因此研究提出在锌铝合金镀层中引入硝酸镧作为阴极抑制型缓蚀剂，通过硅烷水解液与金属浆料复配制备复合镀层，并采用电化学测试、盐雾实验及酸性浸泡等方法评估防腐性能。结果显示，当硝酸镧添加质量分数为1%时，镀层维氏硬度从120 HV提升至157.2 HV，增幅达31.2%，附着力评级达优。且在4.5% NaCl溶液中开路电位正移0.2 V，盐雾测试前5 d阻抗值超104 Ω?cm2。实验结果表明研究所提硝酸镧锌铝合金镀层能有效对室内装饰材料起到防腐的效果，揭示了硝酸镧通过物理阻隔与电化学双重方面提升室内材料耐蚀性的机制。研究优化了锌铝合金镀层的制备工艺，为室内金属装饰材料的防腐提供了兼具实用性与经济性的解决方案。
Abstract:
In the field of interior decoration, metal substrates are prone to electrochemical corrosion due to complex environments such as humid air and residual acidic and alkaline substances from decoration processes, leading to surface rusting and a decline in mechanical properties, which seriously affects their decorative effect and service life. Therefore, this research proposes introducing lanthanum nitrate as a cathode-inhibiting corrosion inhibitor into zinc-aluminum alloy coatings. The composite coating was prepared by compounding silane hydrolysate with metal slurry, and its anti-corrosion performance was evaluated using electrochemical tests, salt spray tests, and acid immersion methods. The results show that when the mass fraction of added lanthanum nitrate is 1%, the Vickers hardness of the coating increases from 120 HV to 157.2 HV, with an increase of 31.2%, and the adhesion rating reaches excellent. Moreover, in 4.5% NaCl solution, the open-circuit potential shifts positively by 0.2 V, and the impedance value exceeds 10 4 Ω ?cm2 in the first 5 days of the salt spray test. The experimental results indicate that the lanthanum nitrate zinc-aluminum alloy coating developed in this research can effectively protect interior decoration materials against corrosion, revealing the mechanism by which lanthanum nitrate enhances the corrosion resistance of interior materials through both physical barrier and electrochemical effects. This research has optimized the preparation process of zinc-aluminum alloy coatings, providing a practical and economical solution for the anti-corrosion protection of indoor metal decorative materials

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更新日期/Last Update: 2026-06-12