Structure and Magnetic Properties of Mechanically Alloyed Fe90Al8C2 (wt.%) Powders

被引：1

作者：

Lemdani, F. ^{[1
,2
]}

Alleg, S. ^{[3
]}

Mechri, H. ^{[1
]}

Saoula, N. ^{[2
]}

Hadj-Larbi, F. ^{[2
]}

Azzaz, M. ^{[1
]}

机构：

[1] USTHB, Lab Sci & Genie Mat, BP 32 El Allia, Bab Ezzouar 16111, Algeria

[2] Ctr Dev Technol Avancees CDTA, Cite 20 Aout 1956,BP 17, Baba Hassen, Algeria

[3] Univ Badji Mokhtar Annaba, Lab Magnetisme & Spectroscopie Solides LM2S, Dept Phys, Fac Sci, BP 12, Annaba 23000, Algeria

来源：

JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2023年 / 36卷 / 01期

关键词：

Nanostructure; Fe-Al-C system; Mechanical alloying; Rietveld refinement; Magnetic properties; C PERMANENT-MAGNET; MICROSTRUCTURE; HEAT;

D O I：

10.1007/s10948-022-06456-6

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The structure, morphological, thermal, and magnetic properties of the mechanically alloyed Fe90Al8C2 (wt.%) powders were investigated by using X-ray diffraction (XRD), scanning electron microscopy, differential scanning calorimetry, and vibrating sample magnetometry, respectively. The XRD analysis reveals a mixture of three disordered solid solutions (Fe1-SS, Fe2-SS, and Fe3-SS) with different lattice parameters and crystallite sizes. The saturation magnetization swings between 128 and 133 emu/g, and the coercivity is between 90 and 62 Oe. After heating to 1100 degrees C, the XRD results show the formation of nanocrystalline (Fe, Al)(3)C-type carbide and two Fe-type solid solutions. The heated samples exhibit enhanced magnetic properties with enhanced saturation magnetization (Ms = 132.97-179.76 emu/g) and reduced coercivity (Hc = 46.59-53.63 Oe). The composite Fe-Al-C structure can be considered a potential candidate for soft magnetic applications.

引用

页码：207 / 215

页数：9

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