Magnetic and mechanical properties of additively manufactured Alx(CoFeNi) complex concentrated alloys

V. Chaudhary; M. S.K.K.Y. Nartu; S. Dasari; S. M. Varahabhatla; A. Sharma; M. Radhakrishnan; S. A. Mantri; S. Gorsse; N. B. Dahotre; R. V. Ramanujan; R. Banerjee

doi:10.1016/j.scriptamat.2022.115149

Magnetic and mechanical properties of additively manufactured Al_x(CoFeNi) complex concentrated alloys

V. Chaudhary, M. S.K.K.Y. Nartu, S. Dasari, S. M. Varahabhatla, A. Sharma, M. Radhakrishnan, S. A. Mantri, S. Gorsse, N. B. Dahotre, R. V. Ramanujan, R. Banerjee^*

^*Corresponding author for this work

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

16 Citations (Scopus)

Abstract

Varying the Al content, strongly influences the microstructure, magnetic and microhardness of additively manufactured Al_x(CoFeNi) (x = 0, 10, 30) complex concentrated alloys (CCA). Compared to the single FCC phase of CoFeNi, the hierarchical FCC/L1₂+BCC/B2 heterostructure of heat treated Al₁₀(CoFeNi) CCA displayed substantially improved saturation magnetization, Curie temperature and microhardness. However, there was no significant change in the properties of heat treated CoFeNi and Al₃₀(CoFeNi) CCA. These findings can be rationalized via thermodynamic modelling of the phase stability. We have demonstrated the feasibility of exploiting additive manufacturing for rapidly screening and developing novel high-performance alloys for next generation rotating electrical machines.

Original language	English
Article number	115149
Journal	Scripta Materialia
Volume	224
DOIs	https://doi.org/10.1016/j.scriptamat.2022.115149
Publication status	Published - Feb 2023
Externally published	Yes

Bibliographical note

Publisher Copyright:
© 2022

ASJC Scopus Subject Areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Metals and Alloys

Keywords

Additive manufacturing
Complex concentrated alloys
Magnetic properties
Microstructure

Access to Document

10.1016/j.scriptamat.2022.115149

Cite this

Chaudhary, V., Nartu, M. S. K. K. Y., Dasari, S., Varahabhatla, S. M., Sharma, A., Radhakrishnan, M., Mantri, S. A., Gorsse, S., Dahotre, N. B., Ramanujan, R. V., & Banerjee, R. (2023). Magnetic and mechanical properties of additively manufactured Al_x(CoFeNi) complex concentrated alloys. Scripta Materialia, 224, Article 115149. https://doi.org/10.1016/j.scriptamat.2022.115149

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title = "Magnetic and mechanical properties of additively manufactured Alx(CoFeNi) complex concentrated alloys",

abstract = "Varying the Al content, strongly influences the microstructure, magnetic and microhardness of additively manufactured Alx(CoFeNi) (x = 0, 10, 30) complex concentrated alloys (CCA). Compared to the single FCC phase of CoFeNi, the hierarchical FCC/L12+BCC/B2 heterostructure of heat treated Al10(CoFeNi) CCA displayed substantially improved saturation magnetization, Curie temperature and microhardness. However, there was no significant change in the properties of heat treated CoFeNi and Al30(CoFeNi) CCA. These findings can be rationalized via thermodynamic modelling of the phase stability. We have demonstrated the feasibility of exploiting additive manufacturing for rapidly screening and developing novel high-performance alloys for next generation rotating electrical machines.",

keywords = "Additive manufacturing, Complex concentrated alloys, Magnetic properties, Microstructure",

author = "V. Chaudhary and Nartu, {M. S.K.K.Y.} and S. Dasari and Varahabhatla, {S. M.} and A. Sharma and M. Radhakrishnan and Mantri, {S. A.} and S. Gorsse and Dahotre, {N. B.} and Ramanujan, {R. V.} and R. Banerjee",

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year = "2023",

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doi = "10.1016/j.scriptamat.2022.115149",

language = "English",

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AU - Chaudhary, V.

AU - Nartu, M. S.K.K.Y.

AU - Dasari, S.

AU - Varahabhatla, S. M.

AU - Sharma, A.

AU - Radhakrishnan, M.

AU - Mantri, S. A.

AU - Gorsse, S.

AU - Dahotre, N. B.

AU - Ramanujan, R. V.

AU - Banerjee, R.

PY - 2023/2

Y1 - 2023/2

N2 - Varying the Al content, strongly influences the microstructure, magnetic and microhardness of additively manufactured Alx(CoFeNi) (x = 0, 10, 30) complex concentrated alloys (CCA). Compared to the single FCC phase of CoFeNi, the hierarchical FCC/L12+BCC/B2 heterostructure of heat treated Al10(CoFeNi) CCA displayed substantially improved saturation magnetization, Curie temperature and microhardness. However, there was no significant change in the properties of heat treated CoFeNi and Al30(CoFeNi) CCA. These findings can be rationalized via thermodynamic modelling of the phase stability. We have demonstrated the feasibility of exploiting additive manufacturing for rapidly screening and developing novel high-performance alloys for next generation rotating electrical machines.

AB - Varying the Al content, strongly influences the microstructure, magnetic and microhardness of additively manufactured Alx(CoFeNi) (x = 0, 10, 30) complex concentrated alloys (CCA). Compared to the single FCC phase of CoFeNi, the hierarchical FCC/L12+BCC/B2 heterostructure of heat treated Al10(CoFeNi) CCA displayed substantially improved saturation magnetization, Curie temperature and microhardness. However, there was no significant change in the properties of heat treated CoFeNi and Al30(CoFeNi) CCA. These findings can be rationalized via thermodynamic modelling of the phase stability. We have demonstrated the feasibility of exploiting additive manufacturing for rapidly screening and developing novel high-performance alloys for next generation rotating electrical machines.

KW - Additive manufacturing

KW - Complex concentrated alloys

KW - Magnetic properties

KW - Microstructure

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