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2011, vol. 65, br. 3, str. 295-303
Specifičnosti elektrohemijskog taloženja i morfologija Zn-Mn prevlaka dobijenih iz pirofosfatnog elektrolita
aUniverzitet u Beogradu, Tehnološko-metalurški fakultet
bUniverzitet u Beogradu, Institut za hemiju, tehnologiju i metalurgiju - IHTM
cUniverzitet u Istočnom Sarajevu, Tehnološki fakultet, Zvornik, Republika Srpska, BiH

e-adresajela@tmf.bg.ac.rs
Projekat:
Sinteza, razvoj tehnologija dobijanja i primena nanostrukturnih multifunkcionalnih materijala definisanih svojstava (MPNTR - 45019)

Sažetak
U proteklih nekoliko godina pokazano je da se alkalni pirofosfatni elektrolit može primeniti za elektrohemijsko taloženje prevlaka Zn-Mn legura na čeliku. U ovom radu je ispitana zavisnost morfologije i hemijskog sastava Zn-Mn prevlaka od primenjene gustine struje taloženja. Karakterizacija prevlaka vršena je mikroskopijom atomskih sila i energetskom disperzionom atomskom analizom. Metodom linearne voltametrije ispitan je uticaj dodatka, askorbinske kiseline, na katodne procese. Utvrđeno je da se iz alkalnog rastvora mogu dobiti prevlake zadovoljavajućeg kvaliteta, ali da gustina struje ima veliki uticaj na homogenost i hrapavost površine Zn-Mn prevlaka. Askorbinska kiselina inhibira redukciju vodonika i povećava iskorišćenje struje za taloženje legure.
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O članku

jezik rada: srpski
vrsta rada: naučni članak
DOI: 10.2298/HEMIND101214003B
objavljen u SCIndeksu: 07.09.2011.

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