Details der Publikation - Effect of vanadium content on microstructure and properties of in situ TiC reinforced $ V_{x} $FeCoNiCu multi-principal-element alloy matrix composites

Effect of vanadium content on microstructure and properties of in situ TiC reinforced $ V_{x} $FeCoNiCu multi-principal-element alloy matrix composites

Abstract $ V_{x} $FeCoNiCu high entropy alloy matrix composites reinforced by in situ TiC particles (10 vol.%), i.e., $ V_{x} $FeCoNiCu/TiC composites, were fabricated from V–Fe–Co–Ni–Cu–Ti–C system using vacuum inductive melting method. With the content of vanadium increasing, the size of TiC particles decreased gradually. Meanwhile, vanadium agglomeration occurred slightly. The reaction mechanism of the mixed powder (Fe, V, Ti and C) and the mechanical properties of obtaining $ V_{x} $FeCoNiCu/TiC composites were studied. It was found that three reactions occurred (Fe + Ti → FeTi + $ Fe_{2} $Ti, FeTi + $ Fe_{2} $Ti → Fe + Ti and Ti + C → TiC) in the heating process. The apparent activation energy for these three reactions was calculated and found to be 26.4, 698.3 and 1879.0 kJ/mol, respectively. At room temperature, tensile strength and elongation increased first and then decreased with the increase in vanadium content and the microhardness increased gradually. The maximum tensile strength of the composites was determined to be 666 MPa, representing a 17.7% increase over that of FeCoNiCu/TiC high entropy alloy composites..

Medienart:	E-Artikel

Erscheinungsjahr:	2021
Erschienen:	2021

Enthalten in:	Zur Gesamtaufnahme - volume:28
Enthalten in:	Journal of iron and steel research, international - 28(2021), 11 vom: 17. Juli, Seite 1471-1480

Sprache:	Englisch

Beteiligte Personen:	Tu, Chun-lei [VerfasserIn] Sun, Xiao-dong [VerfasserIn] Li, Jie [VerfasserIn] Zhu, He-guo [VerfasserIn] Li, Xiang-dong [VerfasserIn]

Links:	Volltext [lizenzpflichtig]

Themen:	Apparent activation energy High entropy alloy matrix composite Reaction mechanism Tensile strength Vacuum inductive melting

Anmerkungen:	© China Iron and Steel Research Institute Group 2021

doi:	10.1007/s42243-021-00628-9

funding:
Förderinstitution / Projekttitel:

PPN (Katalog-ID):	OLC2128092639

Internformat


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520			\|a Abstract $ V_{x} $FeCoNiCu high entropy alloy matrix composites reinforced by in situ TiC particles (10 vol.%), i.e., $ V_{x} $FeCoNiCu/TiC composites, were fabricated from V–Fe–Co–Ni–Cu–Ti–C system using vacuum inductive melting method. With the content of vanadium increasing, the size of TiC particles decreased gradually. Meanwhile, vanadium agglomeration occurred slightly. The reaction mechanism of the mixed powder (Fe, V, Ti and C) and the mechanical properties of obtaining $ V_{x} $FeCoNiCu/TiC composites were studied. It was found that three reactions occurred (Fe + Ti → FeTi + $ Fe_{2} $Ti, FeTi + $ Fe_{2} $Ti → Fe + Ti and Ti + C → TiC) in the heating process. The apparent activation energy for these three reactions was calculated and found to be 26.4, 698.3 and 1879.0 kJ/mol, respectively. At room temperature, tensile strength and elongation increased first and then decreased with the increase in vanadium content and the microhardness increased gradually. The maximum tensile strength of the composites was determined to be 666 MPa, representing a 17.7% increase over that of FeCoNiCu/TiC high entropy alloy composites.
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Effect of vanadium content on microstructure and properties of in situ TiC reinforced $ V_{x} $FeCoNiCu multi-principal-element alloy matrix composites

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