A review of manufacturing processes, mechanical properties and precipitations for aluminum lithium alloys used in aeronautic applications

Military applications and the aeronautic industry are increasingly interested in aluminum lithium alloys (Al–Li) because of the properties required due to the presence of Lithium, which provides a very considerable gain concerning the mechanical properties compared to conventional aluminum alloys. T...

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Main Authors: El Arbi Hajjioui, Kenza Bouchaâla, Mustapha Faqir, Elhachmi Essadiqi
Format: Article
Language:English
Published: Elsevier 2023-03-01
Series:Heliyon
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S2405844022038531
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author El Arbi Hajjioui
Kenza Bouchaâla
Mustapha Faqir
Elhachmi Essadiqi
author_facet El Arbi Hajjioui
Kenza Bouchaâla
Mustapha Faqir
Elhachmi Essadiqi
author_sort El Arbi Hajjioui
collection DOAJ
description Military applications and the aeronautic industry are increasingly interested in aluminum lithium alloys (Al–Li) because of the properties required due to the presence of Lithium, which provides a very considerable gain concerning the mechanical properties compared to conventional aluminum alloys. The research and development departments are interested in improving these alloys especially in additive manufacturing process, which leads today to focus on the 3rd generation of Al–Li in terms of part quality - low density compared to the 1st and the 2nd generation. The objectives of this paper is to present a review of Al–Li alloys applications, its carachetrization, the precipitations and their impact on mechanical properties and grain refinement. The various manufacturing processes, methods and tests used are then deeply investigated and presented. The last investigations that have been gotten by scientists over the previous few years on Al–Li for different processes are also reviewed in this research.
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spelling doaj.art-e5e8281a90fd4160b364eecc4d9115db2023-04-05T08:15:23ZengElsevierHeliyon2405-84402023-03-0193e12565A review of manufacturing processes, mechanical properties and precipitations for aluminum lithium alloys used in aeronautic applicationsEl Arbi Hajjioui0Kenza Bouchaâla1Mustapha Faqir2Elhachmi Essadiqi3International University of Rabat, AERO/AUTO School of Engineering, LERMA Lab. Sala El Jadida, Morocco; Corresponding author.International University of Rabat, AERO/AUTO School of Engineering, LERMA Lab. Sala El Jadida, Morocco; Mohammed V University, Mohammadia School of Engineers, ITACS Lab. Rabat, MoroccoInternational University of Rabat, AERO/AUTO School of Engineering, LERMA Lab. Sala El Jadida, MoroccoInternational University of Rabat, AERO/AUTO School of Engineering, LERMA Lab. Sala El Jadida, MoroccoMilitary applications and the aeronautic industry are increasingly interested in aluminum lithium alloys (Al–Li) because of the properties required due to the presence of Lithium, which provides a very considerable gain concerning the mechanical properties compared to conventional aluminum alloys. The research and development departments are interested in improving these alloys especially in additive manufacturing process, which leads today to focus on the 3rd generation of Al–Li in terms of part quality - low density compared to the 1st and the 2nd generation. The objectives of this paper is to present a review of Al–Li alloys applications, its carachetrization, the precipitations and their impact on mechanical properties and grain refinement. The various manufacturing processes, methods and tests used are then deeply investigated and presented. The last investigations that have been gotten by scientists over the previous few years on Al–Li for different processes are also reviewed in this research.http://www.sciencedirect.com/science/article/pii/S2405844022038531Al–Li AlloysFormabilityMechanical propertiesManufacturing processes
spellingShingle El Arbi Hajjioui
Kenza Bouchaâla
Mustapha Faqir
Elhachmi Essadiqi
A review of manufacturing processes, mechanical properties and precipitations for aluminum lithium alloys used in aeronautic applications
Heliyon
Al–Li Alloys
Formability
Mechanical properties
Manufacturing processes
title A review of manufacturing processes, mechanical properties and precipitations for aluminum lithium alloys used in aeronautic applications
title_full A review of manufacturing processes, mechanical properties and precipitations for aluminum lithium alloys used in aeronautic applications
title_fullStr A review of manufacturing processes, mechanical properties and precipitations for aluminum lithium alloys used in aeronautic applications
title_full_unstemmed A review of manufacturing processes, mechanical properties and precipitations for aluminum lithium alloys used in aeronautic applications
title_short A review of manufacturing processes, mechanical properties and precipitations for aluminum lithium alloys used in aeronautic applications
title_sort review of manufacturing processes mechanical properties and precipitations for aluminum lithium alloys used in aeronautic applications
topic Al–Li Alloys
Formability
Mechanical properties
Manufacturing processes
url http://www.sciencedirect.com/science/article/pii/S2405844022038531
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