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[16560] Artykuł:

High temperature oxidation behaviour of aluminized coatings on grey cast iron fabricated by hot-dipping in pure Al or AlSi11 bath

Czasopismo: Proceedings of 24th International Conference on Metallurgy and Materials METAL 2015   Strony: 1075-1080
ISBN:  978-80-87294-62-8
Wydawca:  TANGER LTD, KELTICKOVA 62, SLEZSKA, OSTRAVA 710 00, CZECH REPUBLIC
Opublikowano: Maj 2015
 
  Autorzy / Redaktorzy / Twórcy
Imię i nazwisko Wydział Katedra Procent
udziału		 Liczba
punktów
Tomasz Bucki orcid logoWMiBMKatedra Technik Komputerowych i Uzbrojenia**407.50  
Renata Mola orcid logoWMiBMKatedra Technik Komputerowych i Uzbrojenia**407.50  
Angelika Bąk20.00  

Grupa MNiSW:  Materiały z konferencji międzynarodowej (zarejestrowane w Web of Science)
Punkty MNiSW: 15
Klasyfikacja Web of Science: Proceedings Paper

Web of Science Logo Web of Science    
Keywords:

Hot-dip aluminizing  flake graphite cast iron  intermetallic phases  microstructure  high temperature oxidation resistance 


Abstract:

This paper investigates the oxidation behaviour of aluminized flake graphite cast iron. Aluminized coatings were fabricated by hot-dipping cast iron in a pure Al or AlSi11 bath at 750 degrees C for 20 min. The microstructure analysis showed that both types of coatings consisted of two layers: an outer layer with a composition similar to that of the aluminized bath and an inner layer with intermetallic phases. Dispersed flakes of graphite were observed in both layers. The coatings fabricated in AlSi11 were thicker than those produced in pure Al. High temperature oxidation tests of aluminized and bare cast iron samples were conducted over a period of nineteen 24-hour cycles. It was shown that flake graphite cast iron hot-dip coated with pure Al or AlSi11 alloy exhibits comparable resistance to cyclic oxidation to uncoated cast iron.


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