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CORROSION BEHAVIOUR OF CHOSEN CONSTRUCTION METALS IN THE DUCT SYSTEM OF THE RECYCLING ALUMINIUM FURNACE

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Author(s): Tatiana Liptáková | Milan Malcho | Jozef Jandačka

Journal: Materials Engineering
ISSN 1335-0803

Volume: 17;
Issue: 3;
Start page: 28;
Date: 2010;
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Keywords: High temperature corrosion | Intergranular corrosion | Duct system

ABSTRACT
The corrosion behaviour of five types of steels and cast irons proposed for production of the duct system in the recycling aluminium furnace is studied in this article. The metals tested were exposed in the real conditions at high temperature (from 800 to 1100°C ) in very aggressive environment of combustion products for thirty days. The character and intensity of corrosion attack of the tested materials are evaluated by gravimetric and metallographic analysis.
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