Structural relaxation of Zr41Ti14Cu12.5Ni10Be22.5 bulk metallic glass under high pressure

  • Gong Li
  • Liling Sun
  • Jun Zhang
  • Riping Liu
  • Qin Jing
  • Wenkui Wang
  • Yunpeng Gao
  • Dan Chen
Article
  • 42 Downloads

Abstract

Zr41Ti14Cu12.5Ni10Be22.5 bulk metallic glass (BMG) is annealed at 573 K under 3 GPa and its structural relaxation is investigated by X-ray diffraction, ultrasonic study, compression as well as sliding wear measurements. It is found that after the ZrTiCuNiBe BMG sample was annealed under high pressure, the mechanical properties were improved. Moreover, theBMG with relaxed structure exhibits markedly different acoustic properties. These results are attributed to the fact that relaxation under high-pressure results in a microstructural transformation in the BMG.

Keywords

Zr41Ti14Cu12.5Ni10Be22.5 bulk metallic glass high pressure structure relaxation 

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Copyright information

© Science in China Press 2003

Authors and Affiliations

  • Gong Li
    • 1
    • 2
  • Liling Sun
    • 2
  • Jun Zhang
    • 2
  • Riping Liu
    • 1
  • Qin Jing
    • 1
  • Wenkui Wang
    • 1
    • 2
  • Yunpeng Gao
    • 3
  • Dan Chen
    • 4
  1. 1.Key Laboratory of Metastable Materials Science and TechnologyQinhuangdaoChina
  2. 2.Institute of Physics & Center for Condensed Matter PhysicsChinese Academy of SciencesBeijingChina
  3. 3.Beifang Mingjing Glass Com. Ltd.QinhuangdaoChina
  4. 4.Tianjin Heavy Machiner CompanyTianjinChina

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