Reducing the Internal Stress of Fe-Ni Magnetic Film Using the Electrochemical Method

Soft magnetic materials are important functional materials in the electrical engineering, radio, and high-tech fields, but thin and brittle flakes present challenges to the manufacturing industry. In this study, the effect and mechanism of saccharin sodium in reducing the internal stress of Fe-Ni ma...

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Autores principales:	Yan Wu, Bin Ji, Wei Wang
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	internal stress hydrogen evolution iron-nickel alloy saccharin sodium Chemical technology TP1-1185 Chemistry QD1-999
Acceso en línea:	https://doaj.org/article/4897a1e24d13402db4e8b4abc90e2383
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spelling	oai:doaj.org-article:4897a1e24d13402db4e8b4abc90e23832021-11-25T18:50:03ZReducing the Internal Stress of Fe-Ni Magnetic Film Using the Electrochemical Method10.3390/pr91118832227-9717https://doaj.org/article/4897a1e24d13402db4e8b4abc90e23832021-10-01T00:00:00Zhttps://www.mdpi.com/2227-9717/9/11/1883https://doaj.org/toc/2227-9717Soft magnetic materials are important functional materials in the electrical engineering, radio, and high-tech fields, but thin and brittle flakes present challenges to the manufacturing industry. In this study, the effect and mechanism of saccharin sodium in reducing the internal stress of Fe-Ni magnetic films were analyzed. The effects of the pH value, temperature, and the concentration of saccharin sodium on the deposition process of Fe-Ni alloys were investigated. The polarization curve of the Fe-Ni alloy deposition process was measured by using a multifunctional electrochemical workstation, and the morphology and crystal structure were measured by a scanning electron microscope (SEM) and X-ray diffraction (XRD). The results show that saccharin sodium significantly reduced the stress of the iron-nickel magnetic film; the mechanism through which the internal stress was reduced is analyzed in this paper. Briefly, the Fe<sup>2+</sup> and the amino group of saccharin sodium synthesized a metal complex with positive charge on the surface of the electrode, which prevented the hydrogen ions from approaching the cathode and increased the discharge activation energy of the hydrogen ion, which reduced the hydrogen evolution and improved the internal stress of the coating. This research will help to solve the challenges of producing magnetic film, and promotes the application of new stress-reducing agents.Yan WuBin JiWei WangMDPI AGarticleinternal stresshydrogen evolutioniron-nickel alloysaccharin sodiumChemical technologyTP1-1185ChemistryQD1-999ENProcesses, Vol 9, Iss 1883, p 1883 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	internal stress hydrogen evolution iron-nickel alloy saccharin sodium Chemical technology TP1-1185 Chemistry QD1-999
spellingShingle	internal stress hydrogen evolution iron-nickel alloy saccharin sodium Chemical technology TP1-1185 Chemistry QD1-999 Yan Wu Bin Ji Wei Wang Reducing the Internal Stress of Fe-Ni Magnetic Film Using the Electrochemical Method
description	Soft magnetic materials are important functional materials in the electrical engineering, radio, and high-tech fields, but thin and brittle flakes present challenges to the manufacturing industry. In this study, the effect and mechanism of saccharin sodium in reducing the internal stress of Fe-Ni magnetic films were analyzed. The effects of the pH value, temperature, and the concentration of saccharin sodium on the deposition process of Fe-Ni alloys were investigated. The polarization curve of the Fe-Ni alloy deposition process was measured by using a multifunctional electrochemical workstation, and the morphology and crystal structure were measured by a scanning electron microscope (SEM) and X-ray diffraction (XRD). The results show that saccharin sodium significantly reduced the stress of the iron-nickel magnetic film; the mechanism through which the internal stress was reduced is analyzed in this paper. Briefly, the Fe<sup>2+</sup> and the amino group of saccharin sodium synthesized a metal complex with positive charge on the surface of the electrode, which prevented the hydrogen ions from approaching the cathode and increased the discharge activation energy of the hydrogen ion, which reduced the hydrogen evolution and improved the internal stress of the coating. This research will help to solve the challenges of producing magnetic film, and promotes the application of new stress-reducing agents.
format	article
author	Yan Wu Bin Ji Wei Wang
author_facet	Yan Wu Bin Ji Wei Wang
author_sort	Yan Wu
title	Reducing the Internal Stress of Fe-Ni Magnetic Film Using the Electrochemical Method
title_short	Reducing the Internal Stress of Fe-Ni Magnetic Film Using the Electrochemical Method
title_full	Reducing the Internal Stress of Fe-Ni Magnetic Film Using the Electrochemical Method
title_fullStr	Reducing the Internal Stress of Fe-Ni Magnetic Film Using the Electrochemical Method
title_full_unstemmed	Reducing the Internal Stress of Fe-Ni Magnetic Film Using the Electrochemical Method
title_sort	reducing the internal stress of fe-ni magnetic film using the electrochemical method
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/4897a1e24d13402db4e8b4abc90e2383
work_keys_str_mv	AT yanwu reducingtheinternalstressoffenimagneticfilmusingtheelectrochemicalmethod AT binji reducingtheinternalstressoffenimagneticfilmusingtheelectrochemicalmethod AT weiwang reducingtheinternalstressoffenimagneticfilmusingtheelectrochemicalmethod
_version_	1718410645105278976

Reducing the Internal Stress of Fe-Ni Magnetic Film Using the Electrochemical Method

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