Naslov
Spectroelectrochemical investigation of copper-alloys for application in the marine environment

Autori
Škugor, Ivana ; Grubač, Zoran ; Metikoš – Huković, Mirjana

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
1st Regional Symposium on Electrochemistry of South-East Europe : Book of Abstract / Gojo, Miroslav ; Horvat-Radošević, Višnja ; Mandić, Zoran - Zagreb : Hrvatsko društvo kemijskih inženjera i tehnologa (HDKI), 2008, 379-379

ISBN
978-953-6894-33-8

Skup
Regional Symposium on Electrochemisty of South-East Europe (1 ; 2008)

Mjesto i datum
Rovinj, Hrvatska, 02.05.2008. - 08.05.2008

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
copper-based alloys; sodium-diethyl-dithiocarbamate; N-vinylcarbazole; corrosion resistance

Sažetak
Copper-based alloys, such as the copper nickels, aluminum bronzes and nickel aluminum bronzes, have an extensive range of marine application. However, in spite of their excellent corrosion resistance, in some instances, corrosion has been observed due to water contamination, higher velocity and/or disturbed flows, even at low Reynolds numbers. To overcome the corrosion problem various methods of protection have been investigated and proposed. For example, benzotriazole has become one of the most effective inhibitors for Cu and Cu-Ni alloys in many electrolyte solutions [1, 2]. An excellent corrosion protective ability of self-assembled monolayers of alkanethiol [3, 4] and some complexing agents [5] on Cu and Cu-Ni alloy surfaces has been demonstrated. The aim of the present study was to investigate the influence of sodium-diethyl-dithiocarbamate and N-vinylcarbazole selfassembled films on the corrosion resistance of Cu and Cu-10 Ni alloy in simulated seawater at various impingement velocities by means of dc and ac electrochemical methods. The surface films were characterized using infrared spectroscopy and X-ray diffraction methods. Literature 1.M. Metikoš-Huković, R. Babić, A. Marinović, J. Electrochem. Soc. 145 (1988) 4045. 2.R. Babić, M. Metikoš-Huković, M. Lončar, Electrochim. Acta 44 (1999) 2413. 3.M. Metikoš-Huković, R. Babić, Ž. Petrović, D. Posavec, J. Electrochem. Soc. 154 (2007) C138. 4.Ž. Petrović, M. Metikoš-Huković, R. Babić, Prog. Org. Coat. 61 (2008) 1. 5.S. Martinez, M. Metikoš-Huković, J. Appl. Electrochem. 36 (2006) 1311.

Izvorni jezik
Engleski

Znanstvena područja
Kemija, Kemijsko inženjerstvo

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