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Corrosion characteristic of an aluminium alloy in the H_3PO_4-CO_2 mixture


Aljinović, Ljiljana; Šmith, Mario; Gotovac, Vesna
Corrosion characteristic of an aluminium alloy in the H_3PO_4-CO_2 mixture // Electrochemical methods in corrosion research - 6th International symposium / Bonora, Pier L. ; Deflorian, Flavio (ur.).
Zuerich: Trans Tech Publications Ltd, 1998. str. 575-584 (poster, nije recenziran, cjeloviti rad (in extenso), znanstveni)


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Naslov
Corrosion characteristic of an aluminium alloy in the H_3PO_4-CO_2 mixture

Autori
Aljinović, Ljiljana ; Šmith, Mario ; Gotovac, Vesna

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Electrochemical methods in corrosion research - 6th International symposium / Bonora, Pier L. ; Deflorian, Flavio - Zuerich : Trans Tech Publications Ltd, 1998, 575-584

Skup
Electrochemical methods in corrosion research VI

Mjesto i datum
Trento, Italija, 8.1997

Vrsta sudjelovanja
Poster

Vrsta recenzije
Nije recenziran

Ključne riječi
aluminium; polarization; pitting; corrosion; repasivation

Sažetak
The Al 6063 alloy examined in this work contains silicon and magnesium capable of forming Mg2Si and iron, which can form an intermetallic second phase (FeAl_3). In order to examine the influence of temperature on the corrosion behaviour of the Al 6063 alloy, examinations were carried out in aerated H_3PO_4 and in H_3PO_4 saturated with CO_2 at temperatures of 20, 30, 40 and 50°C. The following electrochemical methods were applied: determination of dependence of E_OCP on time, recording of anodic and cathodic polarization curves, and cyclic voltammetry. It has been observed that corrosion parameters obtained are strongly temperature dependent. They also depend on CO_2 dissolved in H_3PO_4. CO_2 retards cathodic and anodic reactions at all temperatures, which can be attributed to formation of a kind of mechanical passivity as alloy components react with CO_2.

Izvorni jezik
Engleski

Znanstvena područja
Kemijsko inženjerstvo



POVEZANOST RADA


Projekti:
011001

Ustanove:
Kemijsko-tehnološki fakultet, Split

Profili:

Avatar Url Mario Šmith (autor)

Avatar Url Ljiljana Aljinović (autor)

Avatar Url Vesna Gotovac (autor)

Citiraj ovu publikaciju

Aljinović, Ljiljana; Šmith, Mario; Gotovac, Vesna
Corrosion characteristic of an aluminium alloy in the H_3PO_4-CO_2 mixture // Electrochemical methods in corrosion research - 6th International symposium / Bonora, Pier L. ; Deflorian, Flavio (ur.).
Zuerich: Trans Tech Publications Ltd, 1998. str. 575-584 (poster, nije recenziran, cjeloviti rad (in extenso), znanstveni)
Aljinović, L., Šmith, M. & Gotovac, V. (1998) Corrosion characteristic of an aluminium alloy in the H_3PO_4-CO_2 mixture. U: Bonora, P. & Deflorian, F. (ur.)Electrochemical methods in corrosion research - 6th International symposium.
@article{article, year = {1998}, pages = {575-584}, keywords = {aluminium, polarization, pitting, corrosion, repasivation}, title = {Corrosion characteristic of an aluminium alloy in the H\_3PO\_4-CO\_2 mixture}, keyword = {aluminium, polarization, pitting, corrosion, repasivation}, publisher = {Trans Tech Publications Ltd}, publisherplace = {Trento, Italija} }
@article{article, year = {1998}, pages = {575-584}, keywords = {aluminium, polarization, pitting, corrosion, repasivation}, title = {Corrosion characteristic of an aluminium alloy in the H\_3PO\_4-CO\_2 mixture}, keyword = {aluminium, polarization, pitting, corrosion, repasivation}, publisher = {Trans Tech Publications Ltd}, publisherplace = {Trento, Italija} }




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