Microstructure and properties of FeCrMnNiCx compositionally complex bulk alloys

Waleed Muftah; Vladimir Vishnyakov

doi:10.1016/j.vacuum.2021.110181

Microstructure and properties of FeCrMnNiC_x compositionally complex bulk alloys

Waleed Muftah, Vladimir Vishnyakov

Research output: Contribution to journal › Article › peer-review

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Abstract

FeCrMnNiC_x (x = 0.1, 0.3, 0.5 and 1) bulk alloys were synthesised by Vacuum Arc Smelting. The alloy with 2 at. % of carbon (x = 0.1) is a single-phase and uniform material with no element or phase segregation. The alloys with higher carbon content were two phase materials. The equiatomic FeCrMnNiC alloy with two phases had the best corrosion resistance in 3.5% NaCl solution at room temperature under atmospheric pressure. Ion irradiation of FeCrMnNiC_0.1 with FCC structure by 600 KeV Xe⁺² to 50 displacements per atom (dpa) at 623 K revealed the alloy high radiation hardness by the absence of phase transformation and elemental segregation. The single-phase FeCrMnNiC_0.1 alloy has a hardness of 7.5 ± 0.84 GPa and reduced Young's modulus of 250 ± 28.1 GPa.

Original language	English
Article number	110181
Number of pages	10
Journal	Vacuum
Volume	188
Early online date	17 Mar 2021
DOIs	https://doi.org/10.1016/j.vacuum.2021.110181
Publication status	Published - 1 Jun 2021

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title = "Microstructure and properties of FeCrMnNiCx compositionally complex bulk alloys",

abstract = "FeCrMnNiCx (x = 0.1, 0.3, 0.5 and 1) bulk alloys were synthesised by Vacuum Arc Smelting. The alloy with 2 at. % of carbon (x = 0.1) is a single-phase and uniform material with no element or phase segregation. The alloys with higher carbon content were two phase materials. The equiatomic FeCrMnNiC alloy with two phases had the best corrosion resistance in 3.5% NaCl solution at room temperature under atmospheric pressure. Ion irradiation of FeCrMnNiC0.1 with FCC structure by 600 KeV Xe+2 to 50 displacements per atom (dpa) at 623 K revealed the alloy high radiation hardness by the absence of phase transformation and elemental segregation. The single-phase FeCrMnNiC0.1 alloy has a hardness of 7.5 ± 0.84 GPa and reduced Young's modulus of 250 ± 28.1 GPa.",

keywords = "Compositionally complex alloy, Corrosion resistance, FeCrMnNiC high entropy compound material, Mechanical properties, Radiation damage resistance, Single-phase alloy",

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T1 - Microstructure and properties of FeCrMnNiCx compositionally complex bulk alloys

AU - Muftah, Waleed

AU - Vishnyakov, Vladimir

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N2 - FeCrMnNiCx (x = 0.1, 0.3, 0.5 and 1) bulk alloys were synthesised by Vacuum Arc Smelting. The alloy with 2 at. % of carbon (x = 0.1) is a single-phase and uniform material with no element or phase segregation. The alloys with higher carbon content were two phase materials. The equiatomic FeCrMnNiC alloy with two phases had the best corrosion resistance in 3.5% NaCl solution at room temperature under atmospheric pressure. Ion irradiation of FeCrMnNiC0.1 with FCC structure by 600 KeV Xe+2 to 50 displacements per atom (dpa) at 623 K revealed the alloy high radiation hardness by the absence of phase transformation and elemental segregation. The single-phase FeCrMnNiC0.1 alloy has a hardness of 7.5 ± 0.84 GPa and reduced Young's modulus of 250 ± 28.1 GPa.

AB - FeCrMnNiCx (x = 0.1, 0.3, 0.5 and 1) bulk alloys were synthesised by Vacuum Arc Smelting. The alloy with 2 at. % of carbon (x = 0.1) is a single-phase and uniform material with no element or phase segregation. The alloys with higher carbon content were two phase materials. The equiatomic FeCrMnNiC alloy with two phases had the best corrosion resistance in 3.5% NaCl solution at room temperature under atmospheric pressure. Ion irradiation of FeCrMnNiC0.1 with FCC structure by 600 KeV Xe+2 to 50 displacements per atom (dpa) at 623 K revealed the alloy high radiation hardness by the absence of phase transformation and elemental segregation. The single-phase FeCrMnNiC0.1 alloy has a hardness of 7.5 ± 0.84 GPa and reduced Young's modulus of 250 ± 28.1 GPa.

KW - Compositionally complex alloy

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KW - FeCrMnNiC high entropy compound material

KW - Mechanical properties

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Microstructure and properties of FeCrMnNiC_x compositionally complex bulk alloys

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