通过钼离子注入增强不锈钢双极板的耐腐蚀性和导电性

IF 2.5 2区材料科学 Journal of Iron and Steel Research International Pub Date : 2024-08-17 DOI:10.1007/s42243-024-01296-1

Li Ding, Hu-bin Zhang, Rui-juan Wang, Yong Pan, Xin Zhang, Meng Yang

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摘要

为了提高耐腐蚀性和导电性，对 316L 不锈钢表面进行了钼离子注入改性。通过研究不同的加速电压和植入剂量，发现不锈钢的耐腐蚀性最多可提高 50%-80%，表面导电性最多可提高 15%-28%。最小稳定电流密度为 0.72 μA/cm2。这是由于不锈钢表面形成了富含铬和钼的改性层。钼氧化物与铬氧化物以固溶体形式协同作用，增强了不锈钢表面钝化膜的耐腐蚀性。最佳参数为：铬的比例为 6%-8%，钼的比例为 4%-5%。

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Enhanced corrosion resistance and electrical conductivity of stainless steel bipolar plates by molybdenum ion implantation

To enhance the corrosion resistance and electrical conductivity, the surface of 316L stainless steel was modified by the ion implantation of Mo. By investigating various accelerating voltages and implantation doses, it was found that the corrosion resistance of stainless steel was enhanced by 50%–80% and the surface conductivity by 15%–28% at most. The minimum stabilized current density is 0.72 μA/cm². This is due to the formation of a Cr and Mo riched modified layer on the surface of the stainless steel. Mo oxides synergize with Cr oxides in the form of a solid solution to enhance the corrosion resistance of passivation films on the stainless steel surface. The optimum parameters were Cr in the proportion of 6%–8% and Mo in the proportion of 4%–5%.

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来源期刊

Journal of Iron and Steel Research International 工程技术-冶金工程

自引率

16.00%

发文量

161

审稿时长

2.8 months

期刊介绍： Publishes critically reviewed original research of archival significance Covers hydrometallurgy, pyrometallurgy, electrometallurgy, transport phenomena, process control, physical chemistry, solidification, mechanical working, solid state reactions, materials processing, and more Includes welding & joining, surface treatment, mathematical modeling, corrosion, wear and abrasion Journal of Iron and Steel Research International publishes original papers and occasional invited reviews on aspects of research and technology in the process metallurgy and metallic materials. Coverage emphasizes the relationships among the processing, structure and properties of metals, including advanced steel materials, superalloy, intermetallics, metallic functional materials, powder metallurgy, structural titanium alloy, composite steel materials, high entropy alloy, amorphous alloys, metallic nanomaterials, etc..