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新型高磁能鐵鉻鈷鉬柱晶永磁合金研究

  • 摘要: 本文研究了新型高磁能鐵鉻15鈷-2鉬-0.5鈦柱晶永磁合金。該合金最佳磁性為:Br=14900高斯,Hc=680奧斯特,(BH)m=7.4×106高奧,達到了國內先進水平。在揚聲器、測振儀傳感器、電表、自動控制儀表上試用效果良好。
    研究了添加元素鉬、鈦、硫對磁性及柱晶的影響,發現添加鉬未增加磁晶各向異性,而回火則大大提高合金的單軸各向異性。
    本文研究了柱晶合金斯皮諾達分解產物α1相的形貌和分布與熱處理工藝的關系,給出了透射電鏡照片。

     

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