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<p>A nanostructured FeAl<sub>40</sub>Ti<sub>3</sub>B system was synthesized by mechanical alloying (MA) using a high-energy ball mill. The study focused on the synthesis and characterization of nanocrystalline FeAl<sub>40</sub>Ti<sub>3</sub> powders and the effect of boron addition. X-ray diffraction (XRD), scanning electron microscopy (SEM), and vibrating sample magnetometry (VSM) were employed to analyze phase formation, particle morphology, crystallite size, lattice strain, and magnetic properties. After 30&#xa0;h of milling, the alloys exhibited bcc-disordered Fe (Al, Ti) and Fe (Al, Ti, B) phases for FeAl<sub>40</sub>Ti<sub>3</sub> and FeAl<sub>40</sub>Ti<sub>3</sub>B, respectively. SEM revealed particle size refinement with boron addition. The average crystallite size was reduced to 17&#xa0;nm and 26&#xa0;nm, while the lattice strain decreased to 0.30174% and 0.25194% for FeAl<sub>40</sub>Ti<sub>3</sub> and FeAl<sub>40</sub>Ti<sub>3</sub>B, respectively. Furthermore, boron incorporation enhanced coercivity (Hc), attributed to crystallite size reduction and strain variation during milling.</p>

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Structural and magnetic properties of nanocrystallineFeAl40Ti3B alloy synthesized by mechanical alloying

  • 期刊论文

  • 发表日期：

    2026年1月6日

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  • Nadia Metidji,
  • Salah Bezari,
  • Abderrahmane Younes,
  • Nacer Dilmi

摘要

A nanostructured FeAl40Ti3B system was synthesized by mechanical alloying (MA) using a high-energy ball mill. The study focused on the synthesis and characterization of nanocrystalline FeAl40Ti3 powders and the effect of boron addition. X-ray diffraction (XRD), scanning electron microscopy (SEM), and vibrating sample magnetometry (VSM) were employed to analyze phase formation, particle morphology, crystallite size, lattice strain, and magnetic properties. After 30 h of milling, the alloys exhibited bcc-disordered Fe (Al, Ti) and Fe (Al, Ti, B) phases for FeAl40Ti3 and FeAl40Ti3B, respectively. SEM revealed particle size refinement with boron addition. The average crystallite size was reduced to 17 nm and 26 nm, while the lattice strain decreased to 0.30174% and 0.25194% for FeAl40Ti3 and FeAl40Ti3B, respectively. Furthermore, boron incorporation enhanced coercivity (Hc), attributed to crystallite size reduction and strain variation during milling.