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Applied Physics A

, 125:783 | Cite as

A cobalt-rich eutectic high-entropy alloy in the system Al–Co–Cr–Fe–Ni

  • Ali ShafieiEmail author
  • Samin Rajabi
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Abstract

By using the well-established CALPHAD methodology, a cobalt-rich eutectic high-entropy alloy is designed and made for the system Al–Co–Cr–Fe–Ni. Microstructural studies show that the designed alloy has a dual FCC/BCC phase structure and is composed of nanostructured lamellar-irregular regions. The mechanical properties of the alloy are investigated by compression test. The ultimate strength and the ductility of the alloy are measured to be 2150 MPa and 40%, respectively. The effect of Al concentration on the microstructure and mechanical properties of the alloy is investigated.

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Supplementary material

339_2019_3084_MOESM1_ESM.pdf (535 kb)
Supplementary material 1 (PDF 534 kb)

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© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.Metallurgy GroupNiroo Research Institute (NRI)TehranIran

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