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Microstructure and Mechanical Property Assessment of Ferronickel Alloy Prepared from Spent Nickel-Metal Hydride Batteries

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dc.contributor.author Behera, PR
dc.contributor.author Sahoo, S
dc.date.accessioned 2025-07-22T08:55:27Z
dc.date.available 2025-07-22T08:55:27Z
dc.date.issued 2025
dc.identifier.citation Transactions Of the Indian Institute Of Metals, 78, 2025; 136
dc.identifier.issn 0972-2815
dc.identifier.uri http://ore.immt.res.in/handle/2018/3710
dc.description.abstract The current work covers a pyrometallurgical technique to prepare ferronickel alloy (> 95% purity) by recycling spent nickel-metal hydride (Ni-MH) batteries and exploring the application side of alloy by assessing its microstructural and mechanical properties. XRD analysis confirms the presence of the gamma-Fe-Ni phase, with no peaks indicating the alpha-Fe-Ni phase, due to the processing of the alloy at a high smelting reduction temperature. SEM micrograph also reveals relatively uniform distribution of carbon particles in the matrix. The developed alloy containing 26% nickel reveals remarkable ultimate compressive strength of 781 MPa, which is higher than that of Invar-nickel iron alloy (725 MPa) commonly used in cathode ray tubes. This study highlights the development of the ferronickel alloy and its properties, demonstrating a promising sustainable method for recycling spent Ni-MH batteries.
dc.language en
dc.publisher Springer India
dc.relation.isreferencedby SCI
dc.rights Copyright [2025]. All efforts have been made to respect the copyright to the best of our knowledge. Inadvertent omissions, if brought to our notice, stand for correction and withdrawal of document from this repository.
dc.subject Metallurgy & Metallurgical Engineering
dc.title Microstructure and Mechanical Property Assessment of Ferronickel Alloy Prepared from Spent Nickel-Metal Hydride Batteries
dc.type Journal Article
dc.affiliation.author CSIR-Institute of Minerals and Materials Technology, Bhubaneswar 751013, Odisha, India


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