High Temperature χ_<ac> Behaviors of A Fe-Nd-B Nanocomposite Alloy

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概要

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• AC-initial susceptibility (χ_<ac>) studies on a wound cores of as-spun amorphous and rapid-thermal-annealed nanocomposite Fe_<88>Nd_6B_6 alloy ribbons were performed at room temperature to 700℃. A quantitative method of estimating the amount of residual amorphous phase in heated ribbons was derived from χ_<ac> peak intensity of the amorphous phase. The full width at half maximum of χ_<ac> peak corresponding to Curie temperature of Nd_2Fe_<14>B phase was found to quantitatively related to the extent of exchange coupling between the two phases due to its linear increase with increasing nano-grain-size, while the remanence ratio decrease. Tc of the Nd_2Fe_<14>B nano-phase was found to decrease with increasing grain size.

• 社団法人日本磁気学会の論文
• 1999-01-20

著者

• FANG J.

  Department of Materials Science & Engineering, National Huwei University of Sci. & Technol.

• CHIN T.

  Department of Materials Science and Engineering, National Tsing Hua University

• Fang J

  Department Of Materials Science & Engineering National Tsing Hua University

• Chin T

  Department Of Materials Science & Engineering National Tsing Hua University

• Chin T.s.

  Department Of Metallurgical And Materials Engineering National Cheng Kung University

• Chin T.

  Department Of Materials Science And Engineering National Tsing Hua University

• Fang J.S.

  Department of Materials Science & Engineering, National Tsing Hua University

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