Effect of dilute rare-earth addition on structural evolution, mechanical, magnetic, and radiation shielding properties of CoFeNiMnTi high-entropy alloy

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dc.contributor.authorOzkul, Iskender
dc.contributor.authorKalay, Ece
dc.contributor.authorGuler, Omer
dc.contributor.authorKaraduman, Oktay
dc.contributor.authorCanbay, Canan Aksu
dc.contributor.authorHameed, Louis Ibrahim
dc.contributor.authorTekin, H. O.
dc.date.accessioned2026-09-08T07:13:32Z
dc.date.issued2026
dc.departmentFırat Üniveristesi
dc.description.abstractThis study investigates the effect of 1 at.% rare-earth (RE = Sm, Gd, Dy) addition on the structural, mechanical, magnetic, and radiation shielding properties of CoFeNiMnTi high-entropy alloys produced by arc melting. X-ray diffraction results reveal an FCC-dominant structure accompanied by secondary Laves-type phases, with increased phase complexity observed in Gd-and Dy-containing alloys. Mechanical evaluation shows a significant hardness enhancement, reaching 581 HV for Gd and 548 HV for Dy, compared to 447 HV for the reference alloy. Magnetic measurements indicate soft-ferromagnetic behaviour for all compositions, with magnetization increasing in the order S0
dc.description.sponsorshipPrincess Nourah bint Abdulrahman University, Riyadh, Saudi Arabi [PNURSP2026R149] -- The authors acknowledge Princess Nourah bint Abdulrahman University Researchers Supporting Project number (PNURSP2026R149), Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia.
dc.identifier.doi10.1016/j.jmrt.2026.07.232
dc.identifier.endpage7142
dc.identifier.issn2238-7854
dc.identifier.issn2214-0697
dc.identifier.orcid0000-0001-9833-9392
dc.identifier.scopus2-s2.0-105046002810
dc.identifier.scopusqualityQ1
dc.identifier.startpage7133
dc.identifier.urihttps://doi.org/10.1016/j.jmrt.2026.07.232
dc.identifier.urihttps://hdl.handle.net/11508/65491
dc.identifier.volume43
dc.identifier.wosWOS:001840565800001
dc.identifier.wosqualityQ1
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherElsevier
dc.relation.ispartofJournal of Materials Research and Technology-Jmr&T
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.snmzKA_WOS_20250903
dc.subjectHigh-Entropy Alloys
dc.subjectRare-Earth Elements
dc.subjectRadiation Shielding
dc.subjectMagnetic Properties
dc.subjectMechanical Strengthening
dc.titleEffect of dilute rare-earth addition on structural evolution, mechanical, magnetic, and radiation shielding properties of CoFeNiMnTi high-entropy alloy
dc.typeArticle

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