Effect of the milling time on the magnetic properties of powder compositions of the Sm2Fe17N
                x
               intermetallic compound and an Nd–Fe–B alloy

Neodymium iron boron (NdFeB) magnets are sintered anisotropic materials. They were commercially introduced in the early 1980s, and since have been used in different applications owing to their superior properties. Herein, we investigated the influence of 0.5 to 8 h of milling time on the morphological, structural, and magnetic performance of Nd9.6Fe80.3Zr3.7B6.4 powders produced using surfactant-assisted high-energy ball milling (SA-HEBM). The results revealed that the relationship between coercivity (H ci ) and milling time had a non-monotonous character reaching a maximum value of H ci = 8.92 kOe after 1 h of milling. The effect of the volume ratio of various magnetic phases (Nd2Fe14B and α-Fe) on microstructure and magnetic properties was also reported. The highest specific saturation magnetization (σ s = 120 emu g−1) was attained after 8 h of milling for powders with volume fraction: Nd2Fe14B–81 ± 2% and α-Fe–12 ± 2%. The expected value of Nd2Fe14B specific saturation magnetization was estimated (σ N = 108 ± 2.5 emu g−1) using the experimental value of σ s and magnetic phase volume fractions. The ratio of remanence to saturation magnetization of the Nd2Fe14B with milling time was also determined and analyzed.

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Magnetization performance of hard/soft Nd_9.6Fe_80.3Zr_3.7B_6.4/α-Fe magnetic nanocomposites produced by surfactant-assisted high-energy ball milling

Semaida¹,

Bordyuzhin²,

El-Dek³

et al. 2021

Mater. Res. Express

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Effect of the milling time on the magnetic properties of powder compositions of the Sm2Fe17N x intermetallic compound and an Nd–Fe–B alloy

Cited by 1 publication

References 13 publications

Magnetization performance of hard/soft Nd_9.6Fe_80.3Zr_3.7B_6.4/α-Fe magnetic nanocomposites produced by surfactant-assisted high-energy ball milling

Magnetization performance of hard/soft Nd_9.6Fe_80.3Zr_3.7B_6.4/α-Fe magnetic nanocomposites produced by surfactant-assisted high-energy ball milling

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Effect of the milling time on the magnetic properties of powder compositions of the Sm2Fe17N x intermetallic compound and an Nd–Fe–B alloy

Cited by 1 publication

References 13 publications

Magnetization performance of hard/soft Nd9.6Fe80.3Zr3.7B6.4/α-Fe magnetic nanocomposites produced by surfactant-assisted high-energy ball milling

Magnetization performance of hard/soft Nd9.6Fe80.3Zr3.7B6.4/α-Fe magnetic nanocomposites produced by surfactant-assisted high-energy ball milling

Contact Info

Product

Resources

About

Magnetization performance of hard/soft Nd_9.6Fe_80.3Zr_3.7B_6.4/α-Fe magnetic nanocomposites produced by surfactant-assisted high-energy ball milling

Magnetization performance of hard/soft Nd_9.6Fe_80.3Zr_3.7B_6.4/α-Fe magnetic nanocomposites produced by surfactant-assisted high-energy ball milling