Investigation of Ultrasonic Electroplating Ni-P Coatings on Nd-Fe-B Permanent Magnet

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In order to improve the corrosion resistance of Nd-Fe-B, the new technological process is done which involves electroplating Ni–P alloys with ultrasonic. The influence of ultrasonic on electroplating Ni–P alloy on Nd-Fe-B was studied by using microscope, adhesion test and NaCl solution immersion test. The results showed that the Ni–P alloy deposit on Nd-Fe-B is rough and has poor adhesion without ultrasonic agitation; however, the Ni–P alloy deposit on Nd-Fe-B with ultrasonic agitation has more compact and uniform microstructure, smoother morphology. At the same time, the adhesion and corrosion resistance are greatly enhanced.

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Periodical:

Advanced Materials Research (Volumes 284-286)

Main Theme:

Edited by:

Xiaoming Sang, Pengcheng Wang, Liqun Ai, Yungang Li and Jinglong Bu

Pages:

980-983

DOI:

10.4028/www.scientific.net/AMR.284-286.980

Citation:

F. F. Wang and L. Li, "Investigation of Ultrasonic Electroplating Ni-P Coatings on Nd-Fe-B Permanent Magnet", Advanced Materials Research, Vols. 284-286, pp. 980-983, 2011

Online since:

July 2011

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$35.00

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