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The effect of preparation of aluminum surface on surface roughness

Uticaj pripreme površine aluminijuma na površinsku hrapavost

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2004
149.pdf (212.9Kb)
Authors
Tomić, Milorad V.
Pavlović, Miomir
Rakočević, Zlatko Lj.
Pavlović, Ljubica
Article (Published version)
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Abstract
Aluminum samples were electrochemically polished in one of three solutions for electrochemical polishing. On those samples the surface roughness was measured. The effect of the anode treatment on surface roughness was also investigated. The zinc coating was deposited on chemically and electrochemically treated aluminum samples, and afterwards the surface roughness of these samples was measured. Based on the results it was determined that from all of the solutions for electrochemical polishing, the most efficient solution is the solution number II. Aluminum samples treated with this solution are the least rough. It was determined that chemically deposited zinc coating on previously chemically and electrochemically treated samples leads to significant lowering of surface roughness. The anodic treatment of aluminum surface significantly lowers surface roughness also.
Uzorci aluminijuma su podvrgavani elektrohemijskom glačanju u jednom od tri rastvora za elektrohemijsko glačanje. Na tako pripremljenim uzorcima merena je površinska hrapavost. Takođe je ispitivan i uticaj anadne obrade na površinsku hrapavost aluminijuma. Na hemijski i elektrohemijski pripremljene uzorke aluminijuma, taložena je prevlaka cinka hemijskim putem, a potom merena površinska hrapavost ovakvih uzoraka. Na osnovu dobijenih rezultata ustanovljeno je da je od ispitivanih rastvora za elektrohemijsko glačanje najefikasniji rastvor II. Uzorci aluminijuma tretirani u ovom rastvoru imaju najmanju hrapavost. Ustanovljeno je da usled taloženja hemijske prevlake cinka na prethodno hemijski i elektrohemijski tretirane uzorke dolazi do znatnog smanjenja površinske hrapavosti. Anodna obrada uzoraka takođe značajno smanjuje površinsku hrapavost.
Keywords:
roughness / electrochemical polishing / anode treatment / chemical preparation / hrapavost / elektrohemijsko glačanje / anodna obrada / hemijska priprema
Source:
Zaštita materijala, 2004, 45, 1, 5-12
Publisher:
  • Belgrade, Serbia : Engineering Society for Corrosion

ISSN: 0351-9465

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URI
http://cer.ihtm.bg.ac.rs/handle/123456789/151
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  • Radovi istraživača / Researchers' publications
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IHTM

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