4.7 Article

Novel BCC VNbTa refractory multi-element alloys with superior tensile properties

Publisher

ELSEVIER SCIENCE SA
DOI: 10.1016/j.msea.2021.141908

Keywords

Refractory multi-element alloys; High entropy alloys; Tensile plasticity; Microstructure

Funding

  1. Natural Science Basic Research Plan in Shaanxi Province, China [2021JM-327, 2020JM-455]
  2. Key Research and Development Plan of Shaanxi Province, China [2018ZDXM-GY-123]

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The refractory V-Nb-Ta alloys with single BCC structure exhibited excellent combination of strength and plasticity, which was attributed to the solid solution strengthening effect caused by the large atomic size misfit among Nb, Ta and V elements.
The refractory VNbTa alloys with single body centered cubic (BCC) structure were prepared. The proceed alloy exhibited excellent combination of strength and plasticity. The underlying mechanism was related to the solid solution strengthening effect caused by large atomic size misfit of elements among Nb, Ta and V.

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