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TKACZ, J. NĚMCOVÁ, A. ZMRZLÝ, M. PACAL, B.
Originální název
Improvement of corrosion resistence of magnesium alloy AZ61
Typ
článek v časopise - ostatní, Jost
Jazyk
angličtina
Originální abstrakt
This paper deals with the investigation of corrosion resistance of extruded AZ61 magnesium alloy. The phosphatepermanganate conversion coating was prepared on the surface of experimental alloy to improve corrosion resistance. This conversion coating was prepared like alternative to the chromating process which proved greatly results on magnesium alloys. Nevertheless, the use of chromates is limited by the environmental regulations in Europe. The corrosion resistance of extruded AZ61 magnesium alloy with and without conversion coating was tested by immersion test. The samples were immersed in sodium chloride solution (3.5 %) with immersion times 1, 8, 48 and 168 hours. The weight losses were measured at analytical balances (d = 0.1 mg) and expressed as corrosion rate in [mm year-1]. Microstructure, surface morphology of conversion coating and corrosion attack were observed by light and scanning electron microscope.
Klíčová slova
Magnesium alloy AZ61, conversion coating, corrosion resistance.
Autoři
TKACZ, J.; NĚMCOVÁ, A.; ZMRZLÝ, M.; PACAL, B.
Rok RIV
2012
Vydáno
14. 12. 2012
ISSN
1804-1213
Periodikum
Koroze a ochrana materiálu. (on-line) Asociace korozních inženýrů JK
Ročník
56
Číslo
4
Stát
Česká republika
Strany od
100
Strany do
103
Strany počet
BibTex
@article{BUT96911, author="Jakub {Tkacz} and Aneta {Němcová} and Martin {Zmrzlý} and Bohumil {Pacal}", title="Improvement of corrosion resistence of magnesium alloy AZ61", journal="Koroze a ochrana materiálu. (on-line) Asociace korozních inženýrů JK", year="2012", volume="56", number="4", pages="100--103", issn="1804-1213" }