Magnetic Characterization of Nanocrystalline Co-B-Si-Fe-Mo Alloys

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• 作者：Mohammad Reza Jafari Jezeh ; Majid Tavoosi…
• 关键词：Co ; based ; Nanocrystalline ; Mechanical alloying ; Soft magnetic
• 刊名：Journal of Superconductivity Incorporating Novel Magnetism
• 出版年：2016
• 出版时间：May 2016
• 年：2016
• 卷：29
• 期：5
• 页码：1377-1386
• 全文大小：2,343 KB
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• 作者单位：Mohammad Reza Jafari Jezeh (1)
  Majid Tavoosi (1)
  Ali Ghasemi (1)
  Reza Farshadnia (2)
  
  1. Department of Materials Engineering, Malek-Ashtar University of Technology (MUT), Shahin-Shahr, Isfahan, Iran
  2. Department of Materials Science, Iran University of Science and Technology (IUST), Tehran, Iran
  
• 刊物类别：Physics and Astronomy
• 刊物主题：Physics
  Superconductivity, Superfluidity and Quantum Fluids
  Magnetism and Magnetic Materials
  Condensed Matter
  Characterization and Evaluation Materials
  
• 出版者：Springer New York
• ISSN：1557-1947

文摘

Fabrication of nanocrystalline Co-B-Si-Fe-Mo magnetic alloys by means of mechanical alloying was the goal of this study. In this regard, different powder mixtures containing Co₇₀B_30−x Si _x (x = 10, 15, 20) and Co₇₀B₂₀Si₅Fe_5−x Mo _x (x = 0, 2.5, 5) (at.%) were mechanically milled in a planetary ball mill for different periods of time. The produced samples were characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM), and vibrating sample magnetometer (VSM). The produced alloys exhibit magnetic properties with the saturation of magnetization and coercivity in the range of 30–260 Oe and 100–180 emu/g, respectively. The highest saturation of magnetization and the lowest coercivity appear in alloys with higher B content. Moreover, Fe element has a suitable effect and Mo element has a destructive effect on soft magnetic properties of Co₇₀B₂₀Si₅Fe_5−x Mo _x alloys.