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Amorphous rods with a diameter of 3 mm were prepared using the copper mold casting method. Differential thermal analysis, X-ray diffraction, and transmission electron microscopy were employed to study the effects of Ni addition on the glass-forming ability and thermal stability of the Fe58Co10-xNixZr10Mo5W2B15 (x = 0, 3, 4, 5, 6, mol%) alloy system from a kinetic and structural perspective. The results indicate that the addition of Ni significantly improves the glass-forming ability of Fe58Co10-xNixZr10Mo5W2B15 alloys. The Fe58Co6Ni4Zr10Mo5W2B15 alloy achieves the best glass-forming ability with a crystallization temperature (Tx) of 887 K, a glass transition temperature (Tg) of 957 K, a supercooled liquid region (ΔTx) of 70 K, a reduced glass transition temperature (Trg) of 0.5902, and a GFA parameter (γ) of 0.4004.

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Glass-Forming Ability and Thermal Stability of Fe-Co–Ni-Zr-Mo-W-B Bulk Amorphous Alloys

  • 章节

  • 发表日期：

    2025年

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  • Q. J. Chen,
  • H. B. Fan,
  • J. F. Sun,
  • J. Shen,
  • K. Qian,
  • H. Z. Xian

摘要

Amorphous rods with a diameter of 3 mm were prepared using the copper mold casting method. Differential thermal analysis, X-ray diffraction, and transmission electron microscopy were employed to study the effects of Ni addition on the glass-forming ability and thermal stability of the Fe58Co10-xNixZr10Mo5W2B15 (x = 0, 3, 4, 5, 6, mol%) alloy system from a kinetic and structural perspective. The results indicate that the addition of Ni significantly improves the glass-forming ability of Fe58Co10-xNixZr10Mo5W2B15 alloys. The Fe58Co6Ni4Zr10Mo5W2B15 alloy achieves the best glass-forming ability with a crystallization temperature (Tx) of 887 K, a glass transition temperature (Tg) of 957 K, a supercooled liquid region (ΔTx) of 70 K, a reduced glass transition temperature (Trg) of 0.5902, and a GFA parameter (γ) of 0.4004.