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ČELKO, L. KLAKURKOVÁ, L. SMETANA, B. SLÁMEČKA, K. ŠVEJCAR, J. ŽALUDOVÁ, M.
Original Title
Formation of Ultrafine Eutectic in Hypereutectic Alloys Produced by Heat Treatment of Nickel Coated
Type
conference proceedings
Language
English
Original Abstract
Aluminium alloys have a very low density, excellent oxidation resistance and workability. However, their usability is often limited by poor mechanical resistance compared to other metals. Several methods to enhance mechanical properties of aluminium are known. One of them is a composite alloy formation, where a second phase with high elastic modulus is added. In a case of aluminium strengthened by intermetallics, the eutectic reaction can be properly utilized. Based on a constituent concentration, the hypo-eutectic or hyper-eutectic alloys could be produced. The paper focuses on the results of microstructural and differential thermal analyses of hypereutectic alloys, which were produced by an unconventional method consisting of sacrificial nickel coating formation on aluminium substrate and its subsequent annealing at the temperature above the melting point of aluminium.
Keywords
Ultrafine Eutectic, Al alloys, Ni coating, Heat treatment
Authors
ČELKO, L.; KLAKURKOVÁ, L.; SMETANA, B.; SLÁMEČKA, K.; ŠVEJCAR, J.; ŽALUDOVÁ, M.
Released
22. 7. 2012
Publisher
State Key Lab Organic-Inorganic Composites, Beijing University of Chemical Technology
Location
Beijing, China
Pages from
94
Pages to
96
Pages count
2
BibTex
@proceedings{BUT99137, editor="Ladislav {Čelko} and Lenka {Klakurková} and Bedřich {Smetana} and Karel {Slámečka} and Jiří {Švejcar} and Monika {Žaludová}", title="Formation of Ultrafine Eutectic in Hypereutectic Alloys Produced by Heat Treatment of Nickel Coated", year="2012", pages="94--96", publisher="State Key Lab Organic-Inorganic Composites, Beijing University of Chemical Technology", address="Beijing, China" }