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Karakterizacija prevlake 316L nanete postupkom plazma navarivanja

dc.creatorMaslarevic, Aleksandar
dc.creatorBakic, Gordana
dc.creatorDjukic, Milos
dc.creatorRajicic, Bratislav
dc.creatorMaksimovic, Vesna
dc.date.accessioned2018-07-06T10:50:52Z
dc.date.available2018-07-06T10:50:52Z
dc.date.issued2018
dc.identifier.issn0367-598X (print)
dc.identifier.issn2217-7426 (electronic)
dc.identifier.urihttp://www.doiserbia.nb.rs/Article.aspx?ID=0367-598X1800005M
dc.identifier.urihttp://vinar.vin.bg.ac.rs/handle/123456789/7722
dc.description.abstractParts of industrial machines and structures are often exposed to the action of aggressive environments, which in a short period of time can provoke the loss of their integrity. It is well known that for extending the service life against erosion and corrosion, protection of the exposed structure zone by coating is frequently used. Various application methods of protective coatings are applied, and the most common are welding and thermal spraying processes. The aim of this study was characterization of coatings made of stainless steel 316L, widely used in chemical and petrochemical industries. The coating was applied on a structural steel S235JR by plasma transferred arc using powder as a filler material. Due to a number of advantages, the plasma transferred arc (PTA) surfacing process has found significant usages in the field of surface protection. This paper presents results of hardness measurements in characteristic zones of the coating and the base material, as well as microstructural characterization of coatings using optical and scanning electron microscopy. Results of EDS analysis of the coating and hardness measurements indicated that a relatively high dilution (26.1 %) of the base material (BM) and the filler material (FM) occurred in a very narrow zone above the fusion line, and thus did not significantly affect the chemical composition of the rest of the coating. Also, erosion resistance tests of coatings were performed by changing the basic functional parameters that is the impact angle and the speed of erodent particles. It was observed that the erosion resistance of the coating material decreases approximately linearly with the increase of the particle speed. Also, with the increase of the impact angle of the erodent (up to 45 °), the mass loss of the coating material is increased.en
dc.description.abstractDelovi mašina i konstrukcija su tokom rada izloženi delovanju agresivne radne sredine koja u kratkom vremenskom periodu može da naruši njihov integritet. U zavisnosti od radnih uslova, površina materijala može da bude izložena raznim mehanizmima oštećenja, od kojih se izdvajaju eroziona i koroziona oštećenja. Produžetak radnog veka ugroženih zona mašinskih konstrukcija moguće je izvesti različitim postupcima nanošenja zaštitnih prevlaka, a najčešće su to različiti postupci navarivanja i metalizacije. Cilj ovog rada je karakterizacija prevlake izrađene od nerđajućeg čelika klase 316L, koja je našla široku primenu u hemijskoj i petrohemijskoj industriji, nanete plazma postupkom navarivanja korišćenjem dodatnog materijala u obliku praha, na konstrukcioni čelik S235JR. U radu je izvršeno merenje tvrdoće u karakterističnim zonama prevlake i osnovnog materijala, kao i mikrostrukturna karakterizacija prevlake na optičkom i skenirajućem elektronskom mikroskopu. Takođe, izvršeno je eroziono ispitivanje prevlake promenom parametara ispitivanja, pre svega ugla nastrujavanja i brzine čestica erodenta.sr
dc.languagesr
dc.rightsopenAccess
dc.sourceHemijska industrija
dc.subjectcoatingsen
dc.subjectplasma transferred arc surfacingen
dc.subjectstainless steelen
dc.subject316Len
dc.subjectmicrostructureen
dc.subjectprevlakesr
dc.subjectplazma navarivanjesr
dc.subjectnerđajući čeliken
dc.subject316lsr
dc.subjectmikrostrukturasr
dc.titleCharacterization of a coating 316L applied by plasma transferred arcen
dc.titleKarakterizacija prevlake 316L nanete postupkom plazma navarivanjasr
dc.typearticleen
dc.rights.licenseBY-NC-ND
dcterms.abstractРајициц, Братислав; Максимовиц, Весна; Дјукиц, Милос; Масларевиц, Aлександар; Бакиц, Гордана; Карактеризација превлаке 316Л нанете поступком плазма наваривања; Карактеризација превлаке 316Л нанете поступком плазма наваривања;
dc.rights.holder© 2018, Association of Chemists and Chemical Engineers of Serbia
dc.citation.volume72
dc.citation.issue3
dc.citation.spage139
dc.citation.epage147
dc.identifier.wos000434656400003
dc.identifier.doi10.2298/HEMIND170928005M
dc.identifier.scopus2-s2.0-85048470896
dc.identifier.fulltexthttp://vinar.vin.bg.ac.rs/bitstream/id/10173/0367-598X1800005M.pdf


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