Effect of magnetic field on abnormal co-deposition and performance of Fe-Ni alloy based on laser irradiation

Wu, Yucheng; Xu, Kun; Zhang, Zhaoyang; Dai, Xueren; Zhao, Douyan; Zhu, Hao; Wang, Anbin

doi:10.1016/j.jelechem.2021.115967

Cited by 9 publications

(3 citation statements)

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“…C 12 H 25 SO 4 Na is used as wetting agent to effectively wet the cathode surface, reduce the surface tension and reduce the adhesion of air bubbles on the substrate surface. 22 An electrochemical workstation (CHI660E, ChenHua, Shanghai) was used to test the cyclic voltammetry curves on the ECD and LECD processes. The test used a three-electrode system.…”

Section: Methodsmentioning

confidence: 99%

“…21 In addition, Fe-Ni coatings based on LECD have been prepared using a steady-state magnetic field, and the results showed that the overall properties of the coating is better at a magnetic field strength of 15 mT. 22 Simply changing the ECD parameters, the properties of the coating cannot be maximized. In this paper, the solution follows the formulation of the previous papers, 21,22 because the coatings prepared with the Fe/Ni ratio have good surface quality and properties.…”

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confidence: 99%

“…22 Simply changing the ECD parameters, the properties of the coating cannot be maximized. In this paper, the solution follows the formulation of the previous papers, 21,22 because the coatings prepared with the Fe/Ni ratio have good surface quality and properties. Laser irradiation is introduced into the ECD process to influence the abnormal reduction behavior of the Fe-Ni coating through the laser thermal and force effects.…”

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Effect of Laser on Abnormal Reduction Process and Properties Evaluation of Electrodeposited Soft Magnetic Fe-Ni Coating

Shen

Zhang

et al. 2022

J. Electrochem. Soc.

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Electrodeposition process of Fe-Ni coating belongs to abnormal co-deposition according to Brenner’s classification, in which Ni is mainly affected by activation, and Fe is mainly affected by diffusion. In this paper, Fe-Ni coating was prepared by laser-assisted electrodeposition technology. The regulation of Fe and Ni contents and coating properties is achieved by using the influence of laser thermal and force effects on the abnormal co-deposition process. The results show that the laser positively shifts the reduction potential and increases the current density. At the laser single-pulse energy is 15 μJ and the laser scanning speed 3000 mm/s, the Fe content of the coating is the lowest, and the Ni content is the highest, which refines the average grain size and reduces surface roughness. Under these parameters, the coating has a small corrosion current density of 5.8×10-7 A/cm2 and a large impedance of 4.3×104 Ω·cm2, its coercivity increases by 0.7 Oe, and its saturation magnetic induction intensity declines by 4.7 emu/g. Compared with the electrodeposited Fe-Ni coating, the corrosion resistance is improved, and the soft magnetic properties is slightly weakened.

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Section: Methodsmentioning

confidence: 99%

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confidence: 99%

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confidence: 99%

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