Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/160760
Title: Accelerated study of magnetic Fe-Co-Ni alloys through compositionally graded spark plasma sintered samples
Authors: Chaudhary, Varun
Tan, Li Ping
Sharma, Vinay
Ramanujan, Raju V.
Keywords: Engineering::Materials
Issue Date: 2021
Source: Chaudhary, V., Tan, L. P., Sharma, V. & Ramanujan, R. V. (2021). Accelerated study of magnetic Fe-Co-Ni alloys through compositionally graded spark plasma sintered samples. Journal of Alloys and Compounds, 869, 159318-. https://dx.doi.org/10.1016/j.jallcom.2021.159318
Project: A1898b0043
Journal: Journal of Alloys and Compounds
Abstract: Soft magnets are extensively deployed in rotating electric machines. Accelerated development of new high Curie temperature, mechanically strong, magnetically soft magnets is urgently needed for next generation rotating electrical machines. The ternary Fe-Co-Ni alloy system was investigated. Spark plasma sintering (SPS) was employed to process compositionally graded (Ni-21Fe)-xCo samples. A combinatorial assessment of structural, magnetic, mechanical and electrical properties of sample sections was performed. Co-lean alloys exhibited a good combination of magnetic, mechanical, and electrical properties but low Curie temperatures. On the other hand, Co rich alloys exhibited elevated Tc, high Ms, and large hardness. An alloy library with a wide range of properties, Ms: 100–150 emu/g, Hc: 0.8–30 Oe, Tc: 571–1108 °C, ρ: 9–12.9 μΩ-cm, nanohardness: 0.96–1.56 GPa was developed. Thus, SPS processed samples can be employed for the accelerated screening of magnetic materials.
URI: https://hdl.handle.net/10356/160760
ISSN: 0925-8388
DOI: 10.1016/j.jallcom.2021.159318
Schools: School of Materials Science and Engineering 
Rights: © 2021 Elsevier B.V. All rights reserved.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MSE Journal Articles

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