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Structure Evolution and Solidification Behavior of Austenitic Stainless Steel in Pulsed Magnetic Field 被引量:12

Structure Evolution and Solidification Behavior of Austenitic Stainless Steel in Pulsed Magnetic Field
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摘要 To understand the solidification behavior of austenitic stainless steel in pulsed magnetic field, the solidification process is investigated by means of the self-made high voltage pulse power source and the solidification tester. The results show that the solidification structure of austenitic stainless steel can be remarkably refined in pulsed magnetic field, yet the grains become coarse again when the magnetic intensity is exceedingly large, indicating that an optimal intensity range existed for structure refinement. The solidification temperature can be enhanced with an increase in the magnetic intensity. The solidification time is shortened obviously, but the shortening degree is reduced with the increase of the magnetic intensity. To understand the solidification behavior of austenitic stainless steel in pulsed magnetic field, the solidification process is investigated by means of the self-made high voltage pulse power source and the solidification tester. The results show that the solidification structure of austenitic stainless steel can be remarkably refined in pulsed magnetic field, yet the grains become coarse again when the magnetic intensity is exceedingly large, indicating that an optimal intensity range existed for structure refinement. The solidification temperature can be enhanced with an increase in the magnetic intensity. The solidification time is shortened obviously, but the shortening degree is reduced with the increase of the magnetic intensity.
出处 《Journal of Iron and Steel Research International》 SCIE EI CAS CSCD 2006年第5期69-72,共4页
基金 Item Sponsored by National Natural Science Foundation of China (50274050) and Shanghai Baoshan Iron and Steel Group
关键词 pulsed magnetic field austenitic stainless steel solidification structure solidification behavior pulsed magnetic field austenitic stainless steel solidification structure solidification behavior
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参考文献2

  • 1Sen Yang,Wenjin Liu,Jun Jia.Effects of transverse magnetic field during directional solidification of monotectic Al-6.5wt%Bi alloy[J].Journal of Materials Science.2001(22)
  • 2A. Prodhan,D. Sanyal.Cooling curves analysis of aluminium solidified without and with magnetic or electric field[J].Journal of Materials Science Letters.1998(11)

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