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Effect of pulsed magnetic field on the Fe-based amorphous alloys

Chao Yue-Sheng Li Ming-Yang Geng Yan Liu Ji-Gang

Effect of pulsed magnetic field on the Fe-based amorphous alloys

Chao Yue-Sheng, Li Ming-Yang, Geng Yan, Liu Ji-Gang
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Publishing process
  • Received Date:  29 October 2003
  • Accepted Date:  24 February 2004
  • Published Online:  05 May 2004

Effect of pulsed magnetic field on the Fe-based amorphous alloys

  • 1. 东北大学理学院,沈阳 110004

Abstract: Amorphous Fe78 Si9 B13alloys have been treated by pulsed magnetic field with lowe r frequency. The macrostructural change of amorphous specimens after treatment were observed by mssbauer spectroscopy and TEM etc.This investigation show that nanocrystallization of amorpous Fe78 Si9 B13occurs under the con ditions: pulsed fiel d 16—32kA/m,pulse frequency 20—25 Hz,acting time ≤2min. The grain size of nano crystalline phase Fe(Si) is about 10nm. And, the temperature rise of specimens during the course of the application of pulsed magnetic field is very low(ΔΤ≤20℃).

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