dc.contributor.author | Černašėjienė, Raimonda | |
dc.contributor.author | Černašėjus, Olegas | |
dc.contributor.author | Škamat, Jelena | |
dc.contributor.author | Asadauskas, Svajus | |
dc.contributor.author | Ručinskienė, Alma | |
dc.contributor.author | Kalpokaitė-Dičkuvienė, Regina | |
dc.contributor.author | Višniakov, Nikolaj | |
dc.date.accessioned | 2023-09-18T16:59:25Z | |
dc.date.available | 2023-09-18T16:59:25Z | |
dc.date.issued | 2017 | |
dc.identifier.issn | 1580-2949 | |
dc.identifier.other | (BIS)LBT02-000057997 | |
dc.identifier.uri | https://etalpykla.vilniustech.lt/handle/123456789/118518 | |
dc.description.abstract | In the present work, plasma-spray technology was applied as a means to improve the durability of Al-Mg alloy parts. NiCrSiBFe coatings deposited on aluminium-magnesium alloy substrates with different thickness values were studied. Before spraying, the surfaces of aluminium-magnesium alloy were modified upon applying different surface pre-treatment methods. The phase composition, microstructure, microhardness, porosity and adhesion of the deposited coatings were characterized. Ball-on-plate wear tests of the NiCrSiBFe coatings were carried out in dry and lubricated conditions, using a scanning electron microscope to characterize the worn track and the wear mechanism. The correlation of the coating porosity and the adhesion strength with the thickness of a deposited layer was determined. The results revealed that the plasma-sprayed NiCrSiBFe coatings, compared with the uncoated Al-Mg substrate, provide both a stable friction coefficient and an improved wear resistance, which is about two times better under dry sliding and about five times better under lubricated sliding. | eng |
dc.description.abstract | V prikazanem delu je bila za izboljšanje trajnosti delov iz Al-Mg zlitin uporabljena tehnologija pršenja s plazmo. Predmet preučevanja so bile NiCrSiBFe prevleke nanesene na podlago iz aluminij-magnezijevih zlitin. Pred nanašanjem so bile površine aluminij-magnezijevih zlitin obdelane z različnimi postopki predpriprave površin. Določene so bile fazna sestava, mikrostruktura, mikrotrdota, poroznost in oprijem napršenih prevlek. Za določitev sledi obrabe in mehanizma je bil na NiCrSiBFe prevlekah izveden preizkus s kroglico, v suhih in naoljenih pogojih, in bil karakteriziran s pomočjo vrstičnega elektronskega mikroskopa. Določena je povezava med poroznostjo in jakostjo oprijema ter debelino nanešenega sloja. Rezultati so pokazali, da plazemsko napršene NiCrSiBFe prevleke v primerjavi z Al-Mg zlitino brez prevlek, omogočajo stabilen koeficient trenja in izboljšujejo odpornost, ki je dvakrat boljša pri drsenju po suhi podlagi, in petkrat boljša pri drsenju po naoljeni podlagi. | slv |
dc.format | PDF | |
dc.format.extent | p. 673-678 | |
dc.format.medium | tekstas / txt | |
dc.language.iso | eng | |
dc.relation.isreferencedby | Scopus | |
dc.relation.isreferencedby | CSA Ceramics Abstracts | |
dc.relation.isreferencedby | DOAJ | |
dc.relation.isreferencedby | Science Citation Index Expanded (Web of Science) | |
dc.source.uri | http://mit.imt.si/Revija/izvodi/mit174/lukaus.pdf | |
dc.subject | Aluminij-magnezijeva podlaga | |
dc.subject | NiCrSiBFe prevleke | |
dc.subject | Pršenje s plazmo | |
dc.subject | Drsna obraba | |
dc.subject | Trdnost oprijema | |
dc.subject | MC05 - Pažangios konstrukcinės ir daugiafunkcinės medžiagos, nanodariniai / Innovative constructive and multifunctional materials, nanostructures | |
dc.title | Increasing the wear resistance of Al-Mg components using thermal-spray coatings | |
dc.title.alternative | Povečevanje odpornosti Al-Mg komponent proti obrabi z uporabo toplotno napršenih prevlek | |
dc.type | Straipsnis Web of Science DB / Article in Web of Science DB | |
dcterms.references | 24 | |
dc.type.pubtype | S1 - Straipsnis Web of Science DB / Web of Science DB article | |
dc.contributor.institution | Vilniaus Gedimino technikos universitetas | |
dc.contributor.institution | Valstybinis mokslinių tyrimų institutas Fizinių ir technologijos mokslų centras | |
dc.contributor.institution | Lietuvos energetikos institutas | |
dc.contributor.faculty | Mechanikos fakultetas / Faculty of Mechanics | |
dc.contributor.faculty | Termoizoliacijos mokslo institutasui-button / Scientific Institute of Thermal Insulationui-button | |
dc.contributor.department | Mechanikos mokslo institutas / Institute of Mechanical Science | |
dc.subject.researchfield | T 006 - Energetika ir termoinžinerija / Energy and thermoengineering | |
dc.subject.researchfield | T 008 - Medžiagų inžinerija / Material engineering | |
dc.subject.researchfield | T 009 - Mechanikos inžinerija / Mechanical enginering | |
dc.subject.ltspecializations | L104 - Nauji gamybos procesai, medžiagos ir technologijos / New production processes, materials and technologies | |
dc.subject.en | aluminium-magnesium substrate | |
dc.subject.en | NiCrSiBFe coatings | |
dc.subject.en | plasma spray | |
dc.subject.en | sliding wear | |
dc.subject.en | adhesion strength | |
dcterms.sourcetitle | Materiali in tehnologije = Materials and technology | |
dc.description.issue | No. 4 | |
dc.description.volume | Vol. 51 | |
dc.publisher.name | Inštitut za Kovinske Materiale in Tehnologije | |
dc.publisher.city | Ljubjana | |
dc.identifier.doi | 000408399700019 | |
dc.identifier.doi | 10.17222/mit.2016.255 | |
dc.identifier.elaba | 24015350 | |