Microstructure and tensile properties of FeMnNiCuCoSn<italic><inf>x</inf></italic> high entropy alloys: Fid-Bau Portal

Microstructure and tensile properties of FeMnNiCuCoSnx high entropy alloys

Liu, L. / Zhu, J.B. / Li, L. / Li, J.C. / Jiang, Q.

Highlights ► We develop a new high entropy alloy system. ► The alloys have good plasticity that can do tensile testing at room temperature. ► The maximum tensile strain can reach to 16.9%.

Abstract High-entropy FeMnNiCuCoSnx (x denotes the atomic fraction of Sn) alloys with good plasticity have been developed. The systematical investigation demonstrates that the concentration of Sn element plays a significant role in the microstructure and tensile properties. As 0.03< x<0.05, the alloys exhibit high tensile strength and plasticity, and the maximum elongation strain and strength are 16.9% and 476.9MPa, respectively, because of their single FCC solutions. While the concentration of Sn is higher than 0.05, an intermetallic compound (Cu5.6Sn) in the interdendritic regions forms, which degrades the ductility of alloys.

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Microstructure and tensile properties of FeMnNiCuCoSnx high entropy alloys

Liu, L. / Zhu, J.B. / Li, L. / Li, J.C. / Jiang, Q.

Abstract

Highlights ► We develop a new high entropy alloy system. ► The alloys have good plasticity that can do tensile testing at room temperature. ► The maximum tensile strain can reach to 16.9%.

Microstructure and tensile properties of FeMnNiCuCoSnx high entropy alloys

Liu, L. / Zhu, J.B. / Li, L. / Li, J.C. / Jiang, Q.

Abstract

Highlights ► We develop a new high entropy alloy system. ► The alloys have good plasticity that can do tensile testing at room temperature. ► The maximum tensile strain can reach to 16.9%.