0.474Zr0.34Cu0.06Be0.126)100-xFex (x=0, 2) BMGCs were prepared and investigated. Results show that by introducing Fe element, the stability of β-Ti phase is improved. An abnormal internal friction peak can be observed due to the precipitation of ω-Ti in the metastable β-Ti phase. Below the glass transition temperature Tg, both BMGCs show abnormal overshoot on storage modulus due to the coupling effect of phase transition and partial crystallization of amorphous matrix. This research provides information about the complex dynamic mechanical relaxation behavior of the in-situ metastable β-Ti BMGCs."/>

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Dynamic Mechanical Behavior of In-situ (Ti0.474Zr0.34Cu0.06-Be0.126)100- x Fe x (x=0, 2) Bulk Metallic Glass Composites
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National Natural Science Foundation of China (51971178, 52271153); Natural Science Basic Research Plan for Distinguished Young Scholars in Shaanxi Province (2021JC-12); Fundamental Research Funds for the Central Universities (D5000220034)

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    Abstract:

    To understand the dynamic mechanical properties and thermodynamic stability of β-Ti phase-embedded Zr/Ti-based bulk metallic glass composites (BMGCs), (Ti0.474Zr0.34Cu0.06Be0.126)100-xFex (x=0, 2) BMGCs were prepared and investigated. Results show that by introducing Fe element, the stability of β-Ti phase is improved. An abnormal internal friction peak can be observed due to the precipitation of ω-Ti in the metastable β-Ti phase. Below the glass transition temperature Tg, both BMGCs show abnormal overshoot on storage modulus due to the coupling effect of phase transition and partial crystallization of amorphous matrix. This research provides information about the complex dynamic mechanical relaxation behavior of the in-situ metastable β-Ti BMGCs.

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[Xiao Haiyang, Lyu Guojian, Qiao Jichao. Dynamic Mechanical Behavior of In-situ (Ti0.474Zr0.34Cu0.06-Be0.126)100- x Fe x (x=0, 2) Bulk Metallic Glass Composites[J]. Rare Metal Materials and Engineering,2024,53(1):23~30.]
DOI：10.12442/j. issn.1002-185X. E20230041

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History
  • Received:October 02,2023
  • Revised:December 18,2023
  • Adopted:December 18,2023
  • Online: January 25,2024
  • Published: January 24,2024