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Magnetic Properties of Fe- and FeNi-Based Amorphous Composite Ribbons

Chen Wen-Zhi Zhou Shao-Xiong Chen Jin-Chang

Magnetic Properties of Fe- and FeNi-Based Amorphous Composite Ribbons

Chen Wen-Zhi, Zhou Shao-Xiong, Chen Jin-Chang
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  • Received Date:  22 July 1999
  • Published Online:  06 September 2006

Magnetic Properties of Fe- and FeNi-Based Amorphous Composite Ribbons

  • 1. (1)钢铁研究总院国家非晶微晶合金工程技术研究中心,北京 100081; (2)首都师范大学物理系,北京 100037

Abstract: Amorphous Fe78Si9B13 and (FeNiCr)78 (SiB)22 ribbons and their composite ribbons were made by a double-chamber-crucible technique. Ms-T curves and hysteresis loops of the lap-wound-cores of the two ribbons and composite ribbons were measured. The hysteresis loop of the lap-wound-cores was waist-like, and was closed but not equal to the average of the two components. For the composite ribbon cores, their Ms-T curve was practically the average of the two components. However, their hysteresis loop was no longer waist-like, but a flat one. These changes of the hysteresis loops of the lap-wound-cores and composite cores were suggested to result from the internal stress induced by the difference of the thermal expansion and magneto-striction of the two components.

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