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dc.creatorVencl, Aleksandar
dc.creatorBobic, Ilija
dc.creatorVucetic, Filip
dc.creatorBobić, Biljana
dc.creatorRuzic, Jovana
dc.date.accessioned2019-01-30T17:38:49Z
dc.date.available2019-01-30T17:38:49Z
dc.date.issued2014
dc.identifier.issn0261-3069
dc.identifier.urihttp://cer.ihtm.bg.ac.rs/handle/123456789/1399
dc.description.abstractThe ZA-27 alloy is a zinc-aluminium casting alloy that has been frequently used as the material for sleeves of plain bearings. It has good physical, mechanical and tribological properties. However, one of the major disadvantages is its dimensional instability over a period of time (ageing). To overcome this, copper in the alloy may be replaced with silicon. Coarsening of silicon particles can be controlled by a suitable addition of strontium. In this paper, the commercial ZA-27 alloy and six different Zn25Al alloys (with 1 and 3 wt.% silicon; and with 0, 0.03 and 0.05 wt.% strontium) were obtained by casting in the pre-heated steel mould. Casting of the alloys was carried out at a laboratory level. In the alloys containing silicon, a finer dendritic structure was noticed compared to the structure of the commercial ZA-27 alloy. The addition of strontium influenced the size and distribution of primary silicon particles. Needle-like particles of eutectic silicon were changed into the fibrous ones. The presence of silicon and strontium did not significantly affect mechanical properties of the obtained Zn25Al alloys compared to mechanical properties of the commercial ZA-27 alloy. Wear rate of the alloys containing silicon was lower than that of the ZA-27 alloy. The addition of strontium further lowers the wear rate and slightly increases the coefficient of friction.en
dc.publisherElsevier Sci Ltd, Oxford
dc.relationRepublic of Serbia, Ministry of Education, Science and Technological Development
dc.relationinfo:eu-repo/grantAgreement/MESTD/Basic Research (BR or ON)/172005/RS//
dc.relationinfo:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/34028/RS//
dc.relationinfo:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/35021/RS//
dc.rightsrestrictedAccess
dc.sourceMaterials & Design
dc.subjectZinc alloysen
dc.subjectStrontiumen
dc.subjectMicrostructureen
dc.subjectBoundary lubricationen
dc.subjectFrictionen
dc.subjectWearen
dc.titleStructural, mechanical and tribological characterization of Zn25Al alloys with Si and Sr additionen
dc.typearticle
dc.rights.licenseARR
dcterms.abstractВуцетиц, Филип; Бобиц, Илија; Рузиц, Јована; Венцл, Aлександар; Бобић, Биљана;
dc.citation.volume64
dc.citation.spage381
dc.citation.epage392
dc.citation.other64: 381-392
dc.citation.rankM21
dc.identifier.doi10.1016/j.matdes.2014.07.056
dc.identifier.rcubConv_3226
dc.identifier.scopus2-s2.0-84908134802
dc.identifier.wos000342681600050
dc.type.versionpublishedVersion


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