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Keyword: powder high-entropy alloy

  • Features of structure, phase composition and properties of hotforged high-entropy alloys of Ti-Cr-Fe-Ni-C system

    • Marych M.V.
    • Bagliuk G.A.
    • Mamonova A.A.
    • Molchanovska G.M.
    • Yevych Y.I.
    Materials Science. Non-Equilibrium Phase Transformations., Vol. 5 (2019), Issue 4, pg(s) 123-126
    • Abstract
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    •  Article PDF

    Powder high-entropy alloys (HEA) of TiCrFeNiC equioatomic composition were synthesized by hot forging (HF). The phase composition and parameters of the fine structure of the alloys are determined. It is shown that at all annealing temperatures of the alloys their phase composition does not change significantly and consists of two solid solutions of substitution – FCC and BCC and two carbide phases – TiC and Cr3C2. The mechanical properties of the alloys are at a rather high level – so the maximum strength of the alloy was 2243 MPa and the hardness is more than 62 HRC, which can be explained by the effect of high entropy and in situ synthesis of carbides in the manufacture of alloys.

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