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Nastajanje i razvoj oštećenja bazalta pod dejstvom kavitacije

dc.creatorPavlović, Marko
dc.creatorDojčinović, Marina
dc.creatorProkić-Cvetković, Radica
dc.creatorAndrić, Ljubiša
dc.date.accessioned2021-03-10T14:08:24Z
dc.date.available2021-03-10T14:08:24Z
dc.date.issued2019
dc.identifier.issn0351-9465
dc.identifier.urihttp://TechnoRep.tmf.bg.ac.rs/handle/123456789/4274
dc.description.abstractThe paper examines the cavitation resistance of the cast basalt samples. Samples were obtained by melting, casting and thermal treatment of crushed basalt rocks from the Vrelo Kopaonik deposit. The experiment was conducted using an ultrasonic vibration method with a stationary sample according to the ASTM G-32 standard. To estimation the cavitation resistance, a change in the mass of the samples in the function of the cavitation time has been observed. The formation and development of damage under the effect of cavitation was monitored by an electron microscope, and the level of degradation of the sample surface was quantified using the image analysis. The results showed a high degree of cavitation resistance of cast basalt samples, with a cavitation rate of 0.0294 mg/min. This indicates the possibility of their application for the production of particular structural parts of equipment for use in metallurgy, as a substitute for metallic materials.en
dc.description.abstractU radu je ispitivana otpornost na dejstvo kavitacije uzoraka livenog bazalta. Uzorci su dobijeni topljenjem, livenjem i termičkim tretmanom izdrobljenih bazaltnih stena iz ležišta Vrelo Kopaonik. Eksperiment je vođen primenom ultrazvučne vibracione metode sa stacionarnim uzorkom prema standardu ASTM G-32. Za procenu otpornosti na dejstvo kavitacije praćena je promena mase uzoraka u funkciji vremena delovanja kavitacije. Nastajanje i razvoj oštećenja pod dejstvom kavitacije praćeni su skening elektronskim mikroskopom, a nivo degradacije površine uzoraka kvantifikovan je primenom analize slike. Rezultati su pokazali visok stepen otpornosti na dejstvo kavitacije uzoraka livenog bazalta, sa kavitacionom brzinom 0,0294 mg/min. To ukazuje na mogućnost njihove primene za izradu izvesnih konstrukcionih delova opreme za primenu u metalurgiji, kao zamena za metalne materijale.sr
dc.publisherEngineering Society for Corrosion, Belgrade, Serbia
dc.relationinfo:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/35002/RS//
dc.relationinfo:eu-repo/grantAgreement/MESTD/Technological Development (TD or TR)/34006/RS//
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/
dc.sourceZaštita materijala
dc.subjectbasalten
dc.subjectcavitation damageen
dc.subjectmass lossen
dc.subjectimage analysisen
dc.subjectbazaltsr
dc.subjectoštećenje pod dejstvom kavitacijesr
dc.subjectgubitak masesr
dc.subjectanaliza slikesr
dc.titleFormation and development of damage of basalt under the effect of cavitationen
dc.titleNastajanje i razvoj oštećenja bazalta pod dejstvom kavitacijesr
dc.typearticle
dc.rights.licenseBY-NC-ND
dc.citation.epage189
dc.citation.issue2
dc.citation.other60(2): 182-189
dc.citation.rankM51
dc.citation.spage182
dc.citation.volume60
dc.identifier.doi10.5937/zasmat1902182P
dc.identifier.fulltexthttp://TechnoRep.tmf.bg.ac.rs/bitstream/id/10025/0351-94651902182P.pdf
dc.identifier.rcubconv_429
dc.type.versionpublishedVersion


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