Microstructure and the properties of FeCoCuNiSnx high entropy alloys

► Based on a new alloying design idea, new FeCoCuNiSnx alloys are prepared. ► The crystal structure of alloys is a single FCC solution when Sn content is small. ► The elongation strain and tensile strength of the alloy reach 19.8% and 633MPa. FeCoCuNiSnx high-entropy alloys (x denotes the adding the...

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Veröffentlicht in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 2012-06, Vol.548, p.64-68
Hauptverfasser: Liu, L., Zhu, J.B., Zhang, C., Li, J.C., Jiang, Q.
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container_title Materials science & engineering. A, Structural materials : properties, microstructure and processing
container_volume 548
creator Liu, L.
Zhu, J.B.
Zhang, C.
Li, J.C.
Jiang, Q.
description ► Based on a new alloying design idea, new FeCoCuNiSnx alloys are prepared. ► The crystal structure of alloys is a single FCC solution when Sn content is small. ► The elongation strain and tensile strength of the alloy reach 19.8% and 633MPa. FeCoCuNiSnx high-entropy alloys (x denotes the adding the elements amount in atomic percentage) are prepared by an arc furnace. Their microstructure and mechanical properties are investigated. The results show that the alloys have a single FCC solution when Sn content is small, the microstructure of the alloys with increasing Sn content is FCC solution and Cu81Sn22 intermetallic compounds. The alloys possess the high strength and the plasticity. When Sn content is between 0.05 and 0.07, the maximum elongation strain and the maximum tensile strength can reach 19.8% and 633MPa, respectively. The adding of Sn leads to the increase of tensile strength.
doi_str_mv 10.1016/j.msea.2012.03.080
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FeCoCuNiSnx high-entropy alloys (x denotes the adding the elements amount in atomic percentage) are prepared by an arc furnace. Their microstructure and mechanical properties are investigated. The results show that the alloys have a single FCC solution when Sn content is small, the microstructure of the alloys with increasing Sn content is FCC solution and Cu81Sn22 intermetallic compounds. The alloys possess the high strength and the plasticity. When Sn content is between 0.05 and 0.07, the maximum elongation strain and the maximum tensile strength can reach 19.8% and 633MPa, respectively. The adding of Sn leads to the increase of tensile strength.</description><identifier>ISSN: 0921-5093</identifier><identifier>EISSN: 1873-4936</identifier><identifier>DOI: 10.1016/j.msea.2012.03.080</identifier><language>eng</language><publisher>Kidlington: Elsevier B.V</publisher><subject>Alloys ; Applied sciences ; Elasticity. 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A, Structural materials : properties, microstructure and processing</title><description>► Based on a new alloying design idea, new FeCoCuNiSnx alloys are prepared. ► The crystal structure of alloys is a single FCC solution when Sn content is small. ► The elongation strain and tensile strength of the alloy reach 19.8% and 633MPa. FeCoCuNiSnx high-entropy alloys (x denotes the adding the elements amount in atomic percentage) are prepared by an arc furnace. Their microstructure and mechanical properties are investigated. The results show that the alloys have a single FCC solution when Sn content is small, the microstructure of the alloys with increasing Sn content is FCC solution and Cu81Sn22 intermetallic compounds. The alloys possess the high strength and the plasticity. When Sn content is between 0.05 and 0.07, the maximum elongation strain and the maximum tensile strength can reach 19.8% and 633MPa, respectively. 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source Elsevier ScienceDirect Journals
subjects Alloys
Applied sciences
Elasticity. Plasticity
Elongation
Entropy
Exact sciences and technology
High entropy alloy
Mechanical properties and methods of testing. Rheology. Fracture mechanics. Tribology
Metals. Metallurgy
Microstructure
Plasticity
Properties
Sn content
Tensile strength
Tin
Tin base alloys
title Microstructure and the properties of FeCoCuNiSnx high entropy alloys
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