Diffusion of carbon and titanium in γ -iron in a magnetic field and a magnetic field gradient

S. Nakamichi, S. Tsurekawa, Y. Morizono, T. Watanabe, M. Nishida, A. Chiba

研究成果: ジャーナルへの寄稿学術誌査読

91 被引用数 (Scopus)

抄録

The diffusion coefficients of carbon and titanium in γ -iron were measured in a 6T magnetic field and in magnetic field gradients ranging from 30 to 45 T/m. We have found that the diffusion of carbon in γ -iron is retarded by application of a 6T magnetic field. In contrast with carbon diffusion, no noticeable effect of a magnetic field on the diffusivity of titanium in γ -iron is observed. On the other hand, the diffusion of carbon in γ -iron can be enhanced in a magnetic field gradient when carbon atoms move towards the direction with a higher magnetic field strength. The higher the magnetic field gradient strength becomes, the more the carbon diffusion is enhanced. Nevertheless, a magnetic field gradient causes a decrease in diffusivity of carbon in γ -iron when the opposite magnetic field gradient is applied.

本文言語英語
ページ(範囲)3191-3198
ページ数8
ジャーナルJournal of Materials Science
40
12
DOI
出版ステータス出版済み - 6月 2005
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 材料科学(全般)
  • 材料力学
  • 機械工学

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