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Glass-forming ability of the Ni–Zr and Ni–Ti systems determined by interatomic potentials

  • W. S. Lai (a1) and B. X. Liu (a1)

Abstract

Employing the n-body potentials of the Ni–Zr and Ni–Ti systems, we performed molecular dynamics simulation to study the relative stability of the terminal solid solutions versus the corresponding amorphous states as a function of solute concentrations. The terminal solid solutions transformed into amorphous states spontaneously when the solute concentrations were beyond the maximum allowable values; i.e., the critical solubilities were determined to be 14 at.% Zr in Ni and 25 at.% Ni in Zr for Ni–Zr system and 38 at.% Ti in Ni and 15 at.% Ni in Ti for the Ni–Ti system. The physical implication of the critical concentrations, as well as their correlation with the glass-forming abilities of the Ni–Zr and Ni–Ti systems, is discussed.

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Corresponding author

a)Address all correspondence to this author. e-mail: wslai@tsinghua.edu.cn

References

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Glass-forming ability of the Ni–Zr and Ni–Ti systems determined by interatomic potentials

  • W. S. Lai (a1) and B. X. Liu (a1)

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