电镀与涂饰

2026, 02, v.45 10-18

含不锈钢片的丙烯酸树脂复合涂层对复合钢界面在海洋环境中的腐蚀防护

张小艳^1,2 王帅^1,2 龙骏^1,2 郑开宏^1,2 毛凌波³ 郑志斌^1,2

1.广东省科学院新材料研究所国家钛及稀有金属粉末冶金工程技术研究中心广东省金属强韧化技术与应用重点实验室 2.广东省钢铁基复合材料工程研究中心 3.广东工业大学低碳冶金工程创新交叉研究院

基金项目(Foundation): 国家重点研发计划（2021YFB3701704）; 广东省重点领域研发计划项目（2025B0101020002）; 广东省科学院发展专项资金项目（2022GDASZH-2022010103）; 第八届中国科协青年人才托举工程（2022QNRC001）; 广东省学科类重点实验室评估专项（2023B1212060043）; 广东特支计划资助项目（2023TX07C512）

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DOI: 10.19289/j.1004-227x.2026.02.002

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摘要：

[目的]针对不锈钢-碳钢-不锈钢复合钢界面在海洋环境中暴露易引发过早腐蚀失效的问题，在复合钢边缘切口处涂覆含不锈钢片填料的丙烯酸树脂复合涂层。[方法]采用中性盐雾试验结合电化学测试系统，评价涂层在海洋环境中的腐蚀行为，阐述涂层对复合钢界面的防护机制。[结果]涂层由不锈钢片在丙烯酸树脂基体中定向排列形成的致密层状结构组成，可以有效提高切口的耐蚀性。涂层的防护性归因于片状填料的迷宫效应和界面处致密腐蚀产物的物理屏蔽作用。[结论]涂层的失效源于腐蚀介质的渗透及界面腐蚀产物的累积，最终导致涂层出现鼓包和破裂。

关键词： 丙烯酸涂层; 不锈钢片; 填料; 复合钢; 界面; 海洋环境; 腐蚀;

Abstract：

[Objective] To address the issue of premature corrosion failure at the interface of a composite steel with a stainless steel–carbon steel–stainless steel structure when exposed to marine environments, an acrylic resin composite coating containing stainless steel flake fillers was applied to the cut edges of the composite steel. [Method] The corrosion behavior of the coating in simulated marine environment was evaluated by neutral salt spray testing and electrochemical measurement and to elucidate its protection mechanism on the composite steel interface. [Result] The coating consisted of a compact layered structure formed by the oriented arrangement of stainless steel flakes within the acrylic resin matrix, which effectively improved the corrosion resistance of the notch. The protection performance of the coating was attributed to the labyrinth effect of the flake fillers and the physical shielding provided by the compact corrosion products formed at the interface. [Conclusion] The failure of the coating originated from the permeation of corrosive media and the accumulation of corrosion products at the interface, ultimately leading to blistering and cracking of the coating.

KeyWords： acrylic coating; stainless steel flake; filler; composite steel; interface; marine environment; corrosion;

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参考文献

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基本信息:

DOI：10.19289/j.1004-227x.2026.02.002

中图分类号:TG174.4

引用信息:

[1]张小艳,王帅,龙骏,等.含不锈钢片的丙烯酸树脂复合涂层对复合钢界面在海洋环境中的腐蚀防护[J].电镀与涂饰,2026,45(02):10-18.DOI:10.19289/j.1004-227x.2026.02.002.

基金信息:

国家重点研发计划（2021YFB3701704）; 广东省重点领域研发计划项目（2025B0101020002）; 广东省科学院发展专项资金项目（2022GDASZH-2022010103）; 第八届中国科协青年人才托举工程（2022QNRC001）; 广东省学科类重点实验室评估专项（2023B1212060043）; 广东特支计划资助项目（2023TX07C512）

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