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Effects of DC and AC Magnetic Fields on Grain Growth in Electrodeposited Nanocrystalline Nickel

Published online by Cambridge University Press:  01 February 2011

T. Matsuzaki ,
T. Yamada ,
K. Jyuami ,
S. Tsurekawa ,
T. Watanabe  and
G. Palumbo
T. Matsuzaki
Affiliation:
Laboratory of Materials Design and Interface Engineering, Department of Nanomechanics, Graduate school of Engineering, Tohoku University, Aramaki aza Aoba 01, Aoba-ku, Sendai, 980–8579, Japan
T. Yamada
Affiliation:
Laboratory of Materials Design and Interface Engineering, Department of Nanomechanics, Graduate school of Engineering, Tohoku University, Aramaki aza Aoba 01, Aoba-ku, Sendai, 980–8579, Japan
K. Jyuami
Affiliation:
Laboratory of Materials Design and Interface Engineering, Department of Nanomechanics, Graduate school of Engineering, Tohoku University, Aramaki aza Aoba 01, Aoba-ku, Sendai, 980–8579, Japan
S. Tsurekawa
Affiliation:
Laboratory of Materials Design and Interface Engineering, Department of Nanomechanics, Graduate school of Engineering, Tohoku University, Aramaki aza Aoba 01, Aoba-ku, Sendai, 980–8579, Japan
T. Watanabe
Affiliation:
Laboratory of Materials Design and Interface Engineering, Department of Nanomechanics, Graduate school of Engineering, Tohoku University, Aramaki aza Aoba 01, Aoba-ku, Sendai, 980–8579, Japan
G. Palumbo
Affiliation:
Integran Technologies Inc. 1 Meridean Road, Toronto, Ont., Canada, M9W 4Z6
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Abstract

The effects of DC and AC magnetic fields on grain growth in electrodeposited nanocrystalline nickel were studied. Magnetic annealing was conducted at 573K in the ferromagnetic temperature region and at 693K in the paramagnetic temperature region. Both DC and AC magnetic annealing could enhance the grain growth and produced a homogeneous grain structure at 573K. On the other hand, AC magnetic annealing shortened the incubation time for the late stage abnormal grain growth at 693K in the paramagnetic temperature region, while DC magnetic field could not affect the incubation time.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 788: Symposium L – Continuous Nanophase and Nanostructured Materials , 2003 , L8.10
Copyright
Copyright © Materials Research Society 2004

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