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Physical mechanism of internal friction behavior of β-type bulk metallic glass composites

  • J. C. Qiao
  • , T. P. Ren
  • , G. J. Lyu
  • , L. Zhang
  • , H. F. Zhang
  • , J. M. Pelletier
  • , Y. Yao
  • Northwestern Polytechnical University Xian
  • CAS - Institute of Metal Research
  • MATEIS UMR5510
  • Max Planck Institute for Iron Research

科研成果: 期刊稿件文章同行评审

11 引用 (Scopus)

摘要

Phase metastability of in-situ formed β-Zr/Ti plays a vital role on mechanical properties of Zr/Ti-based bulk metallic glass composites (β-type BMGCs). In the current study, internal friction behaviors of Ti50.3Zr33.9Cu4.6Ni2.1Be9.1 BMGC containing metastable β-Ti and Ti50.3Zr27.9Cu4.6Ni2.1Be9.1Mo6 BMGC containing stable β-Ti were investigated by mechanical spectroscopy. Prior to the glass transition temperature Tg, Ti50.3Zr33.9Cu4.6Ni2.1Be9.1 BMGC exhibits pronounced internal friction ascribed to the precipitation of ω-Ti in the metastable β-Ti phase. The current investigation not only reveals the fundamental mechanism of the internal friction process of BMGCs, but also provides an effective method to characterize the metastability of β phases in β-type BMGCs.

源语言英语
页(从-至)193-197
页数5
期刊Materials Science and Engineering: A
739
DOI
出版状态已出版 - 2 1月 2019

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