在高速电镀锌钢板表面磁控溅射铝镁合金

材料研究学报

2009, Vol. 23

Issue (5): 529-533

研究论文

本期目录 | 过刊浏览

在高速电镀锌钢板表面磁控溅射铝镁合金

顾训雷¹; 单玉桥¹; 刘常升¹; 于晓中²

1.东北大学材料各向异性与结构工程教育部重点实验室沈阳 110004
2.东北大学金属防护中心沈阳 110004

Research of magnetron sputtered Al–Mg alloy coatings on high-speed electro-galvanizing steel

GU Xunlei¹; SHAN Yuqiao¹; LIU Changsheng¹; YU Xiaozhong²

1.Key Laboratory for Anisotropy and Texture of Materials; Ministry of Education; Northeastern University; Shenyang 110004
2.Metal Protection Center of Northeastern University; Shenyang 110004

引用本文:

顾训雷单玉桥刘常升于晓中. 在高速电镀锌钢板表面磁控溅射铝镁合金[J]. 材料研究学报, 2009, 23(5): 529-533.
, , . Research of magnetron sputtered Al–Mg alloy coatings on high-speed electro-galvanizing steel[J]. Chin J Mater Res, 2009, 23(5): 529-533.

全文: PDF(1037 KB)

摘要:

采用双靶直流磁控溅射工艺, 在高速电镀锌基片上制备了铝镁合金镀层. 用SEM、EDS和XRD方法分析了镀层的形貌和组分, 借助电化学试验和中性盐雾(NSS)试验研究了靶功率和衬底温度对镀层耐蚀性的影响. 结果表明: 随着衬底温度升高, 镀层趋于致密, 但球状颗粒增多, 自腐蚀电流密度略有增加; 铝靶的功率为900 W, 镁靶的功率为200 W, 衬底温度为150℃时镀层的耐蚀性最优, 自腐蚀电流密度约为4 μAcm^-2, 耐中性盐雾时间为120 h, 经分析, 镀层组分主要为Al₁₂Mg₁₇.

关键词 ：材料失效与保护, 铝镁合金镀层, 腐蚀电化学, 耐蚀性, 磁控溅射

Abstract：

The Al–Mg alloy coatings were deposited on high-speed electro-galvanizing steel by double-target DC magnetron sputtering process. The morphologies and compositions were analyzed, and the influences of target power and substrate temperature on corrosion-resistance properties were investigated by electrochemical measurement and neutral salt spray test. The results show that the coatings
distribute dense with increasing the substrate temperature, but excessively high temperature cause more granular particles and slightly higher corrosion current density. The optimal corrosion-resistance properties can be achieved by synthetic adjustment of target power and substrate temperature. The corrosion current density is approximately 4 μAcm⁻² and anti–salt spray time is 120 h. The structure of coatings is determined to be Al₁₂Mg₁₇.

Key words： material failure and protection Al-Mg alloy coatings corrosion electrochemistry corrosion-resistance property magnetron sputtering

收稿日期: 2009-02-17

ZTFLH:

TG174

基金资助:

长江学者和创新团队发展计划资助项目IRT0713.

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