[1]刘石双,刘 璇,聂强胜,等.doi: 10.3969/j.issn.1001-3849.2026.04.007汽车用锌铝镁镀层钢板组织及耐蚀性研究[J].电镀与精饰,2026,(04):45-51.
　ZHOU Jiming,WU Guangyu,LI Xiaojun.Research on composition and corrosion resistance of zinc aluminum magnesium coating on steel plate for automobiles LIU Shishuang1, LIU Xuan2, NIE Qiangsheng1, HAN Long1, PAN Ming1, LI Runchang1,[J].Plating & Finishing,2026,(04):45-51.
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doi: 10.3969/j.issn.1001-3849.2026.04.007汽车用锌铝镁镀层钢板组织及耐蚀性研究()

《电镀与精饰》[ISSN:1001-3849/CN:12-1096/TG]

卷:
期数:
2026年04
页码:
45-51
栏目:
出版日期:
2026-04-30

文章信息/Info

Title:
Research on composition and corrosion resistance of zinc aluminum magnesium coating on steel plate for automobiles LIU Shishuang1, LIU Xuan2, NIE Qiangsheng1, HAN Long1, PAN Ming1, LI Runchang1,
作者:
刘石双1; 刘 璇2; 聂强胜1; 韩 龙1; 潘 明1; 李润昌1; 周纪名1; 吴广宇1; 李晓军1
(1. 首钢京唐钢铁联合有限责任公司 制造部,河北 唐山 063200 ;2. 首钢京唐钢铁联合有限责任公司 冷轧作业部,河北 唐山 063200)
Author(s):
ZHOU Jiming1;  WU Guangyu1;  LI Xiaojun1
(1. Manufacturing Division, Shougang Jingtang United Iron and Steel Co., Ltd., Tangshan 063200, China; 2. Cold Rolling Department, Shougang Jingtang United Iron and Steel Co., Ltd., Tangshan 063200, China)
关键词:
锌铝镁; 轻量化; 镀层厚度; 耐蚀性
Keywords:
zinc aluminum magnesium;  lightweight;  coating thickness;  corrosion resistance
分类号:
TQ341 TG335.22
文献标志码:
A
摘要:
锌铝镁镀层具有出色的耐蚀性、良好的成形性和轻量化潜力等优势，在汽车领域具有广泛的应用前景，符合新一代绿色、低碳、降本的制造要求。本文通过SEM、辉光放电光谱仪(GDS)、XRD、盐雾实验(SST)箱等设备对比研究了不同镀层厚度(35、50和90 g/m2)的镀层组织及中性盐雾(Neutral Salt Spray，NSS)和循环盐雾(Circulating Salt Spray，CSS)环境下的腐蚀行为。结果表明：锌铝镁镀层组织相同，均由富Zn相、Zn/MgZn2二元共晶相和Zn/Al/MgZn2三元共晶相组成；锌铝镁镀层的厚度对耐腐蚀性有显著影响，镀层的耐腐蚀性随镀层厚度的增加而提升。随着镀层厚度的增加，镀层表面的主要腐蚀产物是Zn5(OH)8Cl2?H2O，这有利于减缓镀层的腐蚀。
Abstract:
Zinc aluminum magnesium (ZM) coating has advantages such as excellent corrosion resistance, well formability, and lightweight potential, making it widely applicable in the automotive industry and meeting the requirements of the new generation of green, low-carbon, and cost-effective manufacturing. The microstructure of coatings with different coating thicknesses (35, 50 and 90 g/m2) and the corrosion behavior under neutral salt spray (NSS) and cyclic salt spray (CSS) environments were analyzed by using SEM, glow discharge spectrometer (GDS), XRD, salt spray test (SST) chamber and other equipment. The results show that the microstructure of the coatings with different thicknesses exhibit identical, which is composed of Zn-rich phase, Zn/MgZn2 binary eutectic phase and Zn/Al/MgZn 2 ternary eutectic phase. The thickness of ZM coating has a significant impact on corrosion resistance, that the corrosion resistance of the coating increases with increasing of coating thickness. As the thickness of the coating increases, the main corrosion product on the coating surface is Zn5(OH)8Cl2?H2O, beneficial for slowing down the corrosion behavior

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更新日期/Last Update: 2026-04-15