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Microstructures and tensile properties of CuZrAlNb metallic glass composites under different cooling rates

  • Weizhong Liang , Yongsheng Chen , Zhiliang Ning , Zhijie Kang and Haichao Sun
Published/Copyright: July 27, 2018
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 109 Issue 8

Abstract

Cu48-xZr48Al4Nbx (x = 1 or 5 at.%) metallic glass composite rods with diameters of 4 mm, 3 mm and 2 mm were prepared by using copper mold drop-casting. Their microstructures and tensile properties under different cooling rates were investigated. The microstructure and tensile properties of samples were affected by the crystalline phase content. With the increase in Nb content or the decrease of cooling rates, the microstructures of samples crystallized more significantly and the tensile fracture strength reduced. The fracture mode changed from shear fracture to brittle fracture, shear bands on the side surface decreased and vein stripes on the fracture surface were transformed into plastic pit structures as Nb content increased from 1 to 5%. The results may be helpful for the investigation of metallic glass composite mechanical behavior.

Keywords: Amorphous composites; Composition; Cooling rate; Microstructure; Tensile behavior
*Correspondence address, Prof. Weizhong Liang, School of Materials Science and Engineering, Heilongjiang University of Science and Technology, Harbin, 150022, P.R. China, Tel.: +8613633620882, Fax:+86045188036219, E-mail:

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Received: 2017-12-12
Accepted: 2018-03-07
Published Online: 2018-07-27
Published in Print: 2018-08-10

© 2018, Carl Hanser Verlag, München

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https://doi.org/10.3139/146.111664
Keywords for this article
Amorphous composites; Composition; Cooling rate; Microstructure; Tensile behavior

Articles in the same Issue

  1. Contents
  2. Contents
  3. Original Contributions
  4. Dynamic fragmentation and spheroidization of α phase grains during hot deformation of Ti-6Al-4V alloy
  5. Formation and characterization of hot tearing in AZ series alloys
  6. The effect of quench-aging on the mechanical properties of Zn-27Al-1Cu alloy
  7. Microstructural and mechanical properties of novel β-type Ti–Nb–Ni alloys containing a second phase
  8. Microstructure evolution mechanisms of undercooled Ni80Cu20 alloys
  9. Microstructures and tensile properties of CuZrAlNb metallic glass composites under different cooling rates
  10. Influence of a rare-earth element on the solidification behaviour and mechanical properties of undercooled Al–Si alloys
  11. Microstructure of aluminide coatings on Ti6Al4V alloy produced by the slurry method with inorganic binder
  12. Ultrathin SnO2 nanorod/reduced graphene oxide nanosheet composites for electrochemical supercapacitor applications with excellent cyclic stability
  13. Combustion synthesis and formation mechanism of silver nanoparticles
  14. Phase relationship of the Ag–Zr–Cr system at 1000 and 750°C
  15. Thermal properties of carbonized composite materials based on carbon filled elastomeric matrices
  16. Short Communications
  17. Surface morphology and phase stability of titanium irradiated with 168 MeV 136Xe ions
  18. DGM News
  19. DGM News
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