Phase Transformations and Magnetic Properties of Electroplating Ni-Co on Aluminium

Yong Jun Hu; Dong Cao; Xi Qiang Li; Hui Ting Zheng; Xiao Ling Cheng; Xiao Ting Xiao; Hai Yan Zhang; Feng Li

doi:10.4028/www.scientific.net/AMM.487.80

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 487Phase Transformations and Magnetic Properties of...

Phase Transformations and Magnetic Properties of Electroplating Ni-Co on Aluminium

Abstract:

In this paper, Ni-Co coatings on Al foil were prepared by electroplating to obtain Al/Ni-Co composite. Phase transformations and magnetic property of Al/Ni-Co composite heated at 823 K for 80 h were investigated. The results showed that obviously exchanged zone in Al matrix exited and the thickness was about 2.5μm. Ni diffused into the Al easilier than Co. β phase (AlNi and AlCo) and γ phase (Al (Ni, Co) solid solution) of Co-Ni-Al formed during the annealing. The Ms of was decreased significantly when Al diffused into the NiCo alloy film and formed Ni-Al and Co-Al intermetallic compounds.

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Periodical:

Applied Mechanics and Materials (Volume 487)

Pages:

80-83

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.487.80

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Online since:

January 2014

Authors:

Yong Jun Hu*, Dong Cao, Xi Qiang Li, Hui Ting Zheng, Xiao Ling Cheng, Xiao Ting Xiao, Hai Yan Zhang, Feng Li

Keywords:

Diffusion, Electroplating, Magnetic Property, Microstructure, Ni-Co Film

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