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Composition design, microstructure, and mechanical properties of novel Ti–Co–Ni–Zr complex concentrated alloys

  • Junxia Wu , Peiyou Li EMAIL logo , Hongfeng Dong , Yuefei Jia , Yaling Liu , Wei Zhang and Mina Zhang
Published/Copyright: November 5, 2021
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International Journal of Materials Research
From the journal International Journal of Materials Research Volume 112 Issue 11

Abstract

The composition design of complex concentrated alloys originates from the composition design of amorphous alloys. To expand the composition design of alloys, herein, the compositions of novel Ti–Co–Ni–Zr complex concentrated alloys were obtained by the proportional mixing of Ti2Co intermetallics and Ni64Zr36 binary eutectic. The theory and method of this new alloy design are also discussed. The as-cast Ti28Co14Ni37.12Zr20.88, Ti30Co15Ni35.2Zr19.8, and Ti32 . Co16Ni33.3Zr18.7 alloys were composed of body-centered cubic TiNi and Ti2Ni phases. The Ti28Co14Ni37.12Zr20.88 alloy exhibited high yield strength (2 164 MPa) and compressive strength (2 539 MPa) under quasi-static compression at roomtemperature. The high strength of Ti28Co14Ni37.12Zr20.88 alloy is related to the precipitation of Ti2Ni along the grain boundary and the precipitation in the crystal. This paper validates that using the proportional mixing method of intermetallics and eutectic alloy is an effective method to design complex concentrated alloys with high strength.

Keywords: Ti–Co–Ni–Zr alloys; High entropy alloys; Complex concentrated alloys; Mechanical properties; intermetallics
Prof. Dr. Peiyou Li School of Materials Science and Engineering Shaanxi University of Technology East first ring road Hanzhong, 723001 People’s Republic of China Tel.: +86-0916-2641711 Fax.: +86-0916-2641711 Web: http://www.snut.edu.cn/

Funding statement: Authors acknowledge financial support from Natural Science Basic Research Program of Shaanxi Province (2020JQ-870), Zhejiang Postdoctoral Scientific Research Project (ZJ2019166), and Ningbo Natural Science Foundation (2019A610168).

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Received: 2021-01-03
Accepted: 2021-08-01
Published Online: 2021-11-05

© 2021 Walter de Gruyter GmbH, Berlin/Boston, Germany

Articles in the same Issue

  1. Contents
  2. Original Contributions
  3. Two-dimensional TiC nanocrystals produced by molten salt treatment of carbon black and Ti2AlC
  4. Effect of Gd addition on non-isothermal and isothermal crystallisation of Cu–Zr–Al bulk metallic glass
  5. Effects of carbon doping on structure and magnetocaloric properties of Mn1.25Fe0.7P0.5Si0.5 alloys
  6. Composition design, microstructure, and mechanical properties of novel Ti–Co–Ni–Zr complex concentrated alloys
  7. The effect of V on the morphology of TiB2 particles in as-cast aluminum composites
  8. Parametric optimization of friction stir processing on micro-hardness of Al/B4C composite
  9. Improved in-vitro biocompatibility of LZ91 Mg–Li alloy by formation of nanostructured Ti coating through surface mechanical nano-alloying treatment
  10. Short Communications
  11. A solid-state approach for the low temperature synthesis of Cr3Si hollow particles
  12. Review
  13. Calcium substituted with magnesium, silver and zinc in hydroxyapatite: a review
  14. News
  15. News
https://doi.org/10.1515/ijmr-2021-8196
Keywords for this article
Ti–Co–Ni–Zr alloys; High entropy alloys; Complex concentrated alloys; Mechanical properties; intermetallics

Articles in the same Issue

  1. Contents
  2. Original Contributions
  3. Two-dimensional TiC nanocrystals produced by molten salt treatment of carbon black and Ti2AlC
  4. Effect of Gd addition on non-isothermal and isothermal crystallisation of Cu–Zr–Al bulk metallic glass
  5. Effects of carbon doping on structure and magnetocaloric properties of Mn1.25Fe0.7P0.5Si0.5 alloys
  6. Composition design, microstructure, and mechanical properties of novel Ti–Co–Ni–Zr complex concentrated alloys
  7. The effect of V on the morphology of TiB2 particles in as-cast aluminum composites
  8. Parametric optimization of friction stir processing on micro-hardness of Al/B4C composite
  9. Improved in-vitro biocompatibility of LZ91 Mg–Li alloy by formation of nanostructured Ti coating through surface mechanical nano-alloying treatment
  10. Short Communications
  11. A solid-state approach for the low temperature synthesis of Cr3Si hollow particles
  12. Review
  13. Calcium substituted with magnesium, silver and zinc in hydroxyapatite: a review
  14. News
  15. News
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