{"title":"旋转圆柱电极转速及镀液成分对Fe-Ni合金电镀的影响","authors":"Na-Young Kang, Jae-Ho Lee","doi":"10.1007/s13391-025-00571-x","DOIUrl":null,"url":null,"abstract":"<div><p>Fe–Ni alloy was electroplated on Ti rotating cylinder electrode(RCE) at various conditions, varying rotating speed and bath conditions. The inhibition of Ni reduction increased with rotating speed of the electrode, leading to higher Fe content of deposits. The composition change with rotating speed was more apparent for RCE than stationary planar electrode, however, the trend of compositional change in the thickness direction appeared the same regardless of cathode type. Hydrogen evolution was also promoted with rise of rotating speed, causing more brittle deposits and decrease in current efficiency. To obtain complete Fe–Ni invar film (36–40 wt% Ni) without damage, not only the rotating speed but also the bath composition controlled. The Fe content of deposits increased with concentration of Fe<sup>2+</sup> in the bath, and the composition of films were within target range except the Fe-richer back side than front side.</p><h3>Graphical Abstract</h3>\n<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>","PeriodicalId":536,"journal":{"name":"Electronic Materials Letters","volume":"21 4","pages":"513 - 519"},"PeriodicalIF":2.6000,"publicationDate":"2025-05-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Effects of Rotating Speed of Rotating Cylinder Electrode and Bath Composition on Fe–Ni Alloy Electroplating\",\"authors\":\"Na-Young Kang, Jae-Ho Lee\",\"doi\":\"10.1007/s13391-025-00571-x\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>Fe–Ni alloy was electroplated on Ti rotating cylinder electrode(RCE) at various conditions, varying rotating speed and bath conditions. The inhibition of Ni reduction increased with rotating speed of the electrode, leading to higher Fe content of deposits. The composition change with rotating speed was more apparent for RCE than stationary planar electrode, however, the trend of compositional change in the thickness direction appeared the same regardless of cathode type. Hydrogen evolution was also promoted with rise of rotating speed, causing more brittle deposits and decrease in current efficiency. To obtain complete Fe–Ni invar film (36–40 wt% Ni) without damage, not only the rotating speed but also the bath composition controlled. The Fe content of deposits increased with concentration of Fe<sup>2+</sup> in the bath, and the composition of films were within target range except the Fe-richer back side than front side.</p><h3>Graphical Abstract</h3>\\n<div><figure><div><div><picture><source><img></source></picture></div></div></figure></div></div>\",\"PeriodicalId\":536,\"journal\":{\"name\":\"Electronic Materials Letters\",\"volume\":\"21 4\",\"pages\":\"513 - 519\"},\"PeriodicalIF\":2.6000,\"publicationDate\":\"2025-05-23\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Electronic Materials Letters\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s13391-025-00571-x\",\"RegionNum\":4,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"MATERIALS SCIENCE, MULTIDISCIPLINARY\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Electronic Materials Letters","FirstCategoryId":"88","ListUrlMain":"https://link.springer.com/article/10.1007/s13391-025-00571-x","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"MATERIALS SCIENCE, MULTIDISCIPLINARY","Score":null,"Total":0}
Effects of Rotating Speed of Rotating Cylinder Electrode and Bath Composition on Fe–Ni Alloy Electroplating
Fe–Ni alloy was electroplated on Ti rotating cylinder electrode(RCE) at various conditions, varying rotating speed and bath conditions. The inhibition of Ni reduction increased with rotating speed of the electrode, leading to higher Fe content of deposits. The composition change with rotating speed was more apparent for RCE than stationary planar electrode, however, the trend of compositional change in the thickness direction appeared the same regardless of cathode type. Hydrogen evolution was also promoted with rise of rotating speed, causing more brittle deposits and decrease in current efficiency. To obtain complete Fe–Ni invar film (36–40 wt% Ni) without damage, not only the rotating speed but also the bath composition controlled. The Fe content of deposits increased with concentration of Fe2+ in the bath, and the composition of films were within target range except the Fe-richer back side than front side.
期刊介绍：
Electronic Materials Letters is an official journal of the Korean Institute of Metals and Materials. It is a peer-reviewed international journal publishing print and online version. It covers all disciplines of research and technology in electronic materials. Emphasis is placed on science, engineering and applications of advanced materials, including electronic, magnetic, optical, organic, electrochemical, mechanical, and nanoscale materials. The aspects of synthesis and processing include thin films, nanostructures, self assembly, and bulk, all related to thermodynamics, kinetics and/or modeling.
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