Journal of Materials Science

, Volume 44, Issue 16, pp 4389–4393 | Cite as

Microstructural and mechanical behavior of Zr-based metallic glasses with the addition of Nb

  • X. M. Luo
  • Y. Zhou
  • J. Q. Lu
  • G. S. Yu
  • J. G. Lin
  • W. LiEmail author


The effect of Nb content on the microstructure and mechanical properties of Zr-based bulk metallic glass (BMG) were investigated. The addition of Nb led to the formation of the Zr-based metallic glass composites with a ductile dentritic phase by in situ precipitation. The presence of the in situ precipitated phase enhanced significantly the plasticity of the composite under uniaxial compressive test. The interactions between the precipitated phase and the shear band affect the deformation mechanism and fracture mode of the BMG by enhancing the affecting level of the normal stress on the shear surface, and the constant α in the Mohr–Coulomb criterion can reflect the extent of the interactions among particles and the amorphous matrix.


Shear Band Metallic Glass Fracture Mode Bulk Metallic Glass Amorphous Matrix 



The authors would like to acknowledge financial support from the Hunan Science Foundation grant (No. 05JJ30110), the National Natural Science Foundation of China (No. 10872177), State Key Lab of Advanced Metals Materials (No. EG512677781CN), and the Scientific Research Fund of Hunan Provincial Education Department (No. 08A068).


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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • X. M. Luo
    • 1
  • Y. Zhou
    • 2
  • J. Q. Lu
    • 2
  • G. S. Yu
    • 3
  • J. G. Lin
    • 3
  • W. Li
    • 4
    Email author
  1. 1.Physics DepartmentTsinghua UniversityBeijingPeople’s Republic of China
  2. 2.Physics DepartmentNanjing UniversityNanjingPeople’s Republic of China
  3. 3.Faculty of Material and Photoelectronic Physics, Key Laboratory of Low Dimensional Materials and Application Technology (Ministry of Education)Xiangtan UniversityXiangtanPeople’s Republic of China
  4. 4.School of Chemical and Materials EngineeringHuangshi Institute of TechnologyHuangshiPeople’s Republic of China

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