Effect of niobium addition on the microstructure and wear properties of mechanical alloyed Cu-Al-Ni shape memory alloy

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dc.authoridBicakci, Unal/0009-0000-1422-4257
dc.authoridturkmen, mustafa/0000-0002-9402-2459
dc.authoridYAVUZER, Bekir/0000-0001-8984-774X
dc.contributor.authorYavuzer, Bekir
dc.contributor.authorTurkmen, Mustafa
dc.contributor.authorBicakci, Unal
dc.contributor.authorOzyurek, Dursun
dc.date.accessioned2025-03-09T10:48:41Z
dc.date.available2025-03-09T10:48:41Z
dc.date.issued2024
dc.departmentİstanbul Beykent Üniversitesi
dc.description.abstractIn this study, the influence of the addition of Nb in varying amounts (0.5, 1, 1.5, and 2 wt.%) to Cu-14Al-4Ni shape memory alloy on the microstructure and wear behavior of the alloy was investigated. Cu-Al-Ni-xNb alloys were produced from elemental powders using the mechanical alloying (MA) method. The microstructures of the produced samples were examined using SEM + EDS and XRD, and density and hardness measurements were performed. For the wear tests of Cu-14Al-4Ni and alloys containing different amounts of Nb, a pin-on-disk type wear testing device was used with three different loads (10 N, 20 N, and 30 N) and five different sliding distances (400 m, 800 m, 1,200 m, 1,600 m, and 2000 m). As a result of the conducted research, it was determined that an increase in the Nb content resulted in a decrease in the average grain size and a more homogeneous grain size distribution. The highest hardness and density values were measured in the alloy with 2 wt.% Nb addition. In the wear tests, it was observed that the friction coefficients decreased with increasing load, and the lowest wear rate was achieved in the alloy with 2 wt.% Nb addition.
dc.identifier.doi10.1515/mt-2024-0043
dc.identifier.endpage1229
dc.identifier.issn0025-5300
dc.identifier.issn2195-8572
dc.identifier.issue8
dc.identifier.scopus2-s2.0-85195092235
dc.identifier.scopusqualityQ2
dc.identifier.startpage1219
dc.identifier.urihttps://doi.org/10.1515/mt-2024-0043
dc.identifier.urihttps://hdl.handle.net/20.500.12662/4642
dc.identifier.volume66
dc.identifier.wosWOS:001233592600001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.language.isoen
dc.publisherWalter De Gruyter Gmbh
dc.relation.ispartofMaterials Testing
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/closedAccess
dc.snmzKA_WOS_20250310
dc.subjectCu-Al-Ni
dc.subjectshape memory alloy
dc.subjectmicrostructure
dc.subjectwear
dc.subjecthardness
dc.titleEffect of niobium addition on the microstructure and wear properties of mechanical alloyed Cu-Al-Ni shape memory alloy
dc.typeArticle

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