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Study of composite aluminium alloys produced by stir casting
Lecomte-Beckers, Jacqueline; Coutsouradis, D.; Lamberigts, M.
1990In Proceedings of the International Conference on Advanced Aluminium and Magnesium Alloys
Peer reviewed
 

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Keywords :
Composite alluminium alloys; stir casting; LiMaRC - Liège Materials Research Center
Abstract :
[en] Solidification processing of aluminium alloys reinforced by short fibers and particles of SIC was studied. The reinforcements were introduced and dispersed into aluminium alloys melts by the vortex method. The paper describes the fabrication process used to provide adequate bonding between reinforcemments and liquid matrix. The commercial alloys (2024, 319) containing element such as Cu or Mg chosen to provide adequate wetting were used and compared. The samples were used in the as-cast state or after hot rolling. The samples were examined both in the as-cast or as-rolled and heat treated conditions (T6). The specimens were submitted to microstructural examinations (optical and SEM) density measurements and mechanical property evaluation. Examinations of the results by statistical analyses show that both SIM chopped fibers and particles increase significantly the mechanical properties of the alloys especially at high temperature. However it is shown that the behaviour of the different alloys is strongly different. The effect reinforcement depends on the nature of the alloy and can be related to microstructural features.
Disciplines :
Materials science & engineering
Author, co-author :
Lecomte-Beckers, Jacqueline ;  Université de Liège - ULiège > Département d'aérospatiale et mécanique > Science des matériaux métalliques
Coutsouradis, D.;  Centre de Recherche Métalurgique - CRM
Lamberigts, M.;  Centre de Recherche Métalurgique - CRM
Language :
English
Title :
Study of composite aluminium alloys produced by stir casting
Publication date :
1990
Event name :
International Conference on Advanced Aluminium and Magnesium Alloys
Event place :
Amsterdam, Netherlands
Audience :
International
Main work title :
Proceedings of the International Conference on Advanced Aluminium and Magnesium Alloys
Pages :
719-727
Peer reviewed :
Peer reviewed
Available on ORBi :
since 02 December 2009

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