Naslov
Corrosion Resistance of Al-W Amorphous Alloys

Autori
Radić, Nikola ; Grubac, Z. ; Metikoš-Huković, Mirjana ; Tonejc, Antun ; Stubičar, Mirko

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

Izvornik
The European Material Conference, Final Book of Abstracts-, Symposium B: Protective Coatings and Thin Films- 99 / Glasow, P ; Crean, G. - Strasbourg : European Materials Research Society, 1999, B33-B33

Skup
European Materials Research Society (E-MRS) 1999 Spring Meeting

Mjesto i datum
Strasbourg, Francuska, 01.06.1999. - 04.06.1999

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
Corrosion resistance in 1 M HCl; Al-W thin amorphous films; Magnetron sputtering codeposition technique; DC and AC polarization measurements.

Sažetak
Completely amorphous thin films of Al80W20- Al67W33 alloys were produced by the magnetron sputtering codeposition technique upon glass, sapphire and alumina substrates. The corrosion resistances of the as-deposited and thermally crystallizes Al-W films and pure components (Al, W) were examined by the electrochemical methods. The samples were examined by the XRD and optical microscopy methods prior and after exposure to the corrosive agent. The samples corrosion resistance in the 1 M HCl solution was investigated. The parameters of the corrosion kinetics were determined from the DC polarization measurements, while the electric and dielectric properties were determined by the AC (2 mV amplitude) measurements. An equivalent electric circuit model was proposed for the alloy-electrolyte interphase. The corrosion properties obtained results were correlated to the chemical composition and structure of the examined samples. The corrosion resistance increases with the content of tungsten in the amorphous Al-W thin films.

Izvorni jezik
Engleski

Znanstvena područja
Fizika, Kemija

POVEZANOST RADA