Optimizing the mechanical properties of Al-4.5Cu-xSi alloys through multi-pass friction stir processing and post-process aging

Mostafavi, M.; Taghiabadi, R.; Jafarzadegan, M.

doi:10.1007/s43452-021-00333-0

Artykuł - szczegóły

Tytuł artykułu

Optimizing the mechanical properties of Al-4.5Cu-xSi alloys through multi-pass friction stir processing and post-process aging

Autorzy

Mostafavi M. , Taghiabadi R. , Jafarzadegan M.

Wybrane pełne teksty z tego czasopisma

http://www.springer.com/journal/43452

Identyfikatory

DOI

10.1007/s43452-021-00333-0

Warianty tytułu

Języki publikacji

Abstrakty

The effect of post-process aging on the microstructure and mechanical properties of multi-pass friction stir processed (FSPed) Al-4.5Cu alloy containing Si (1, 3, and 5 wt.%) was studied. According to the results, adding Si improved the fluidity and decreased the porosity content of the alloy. The addition of Si up to 3 wt.% also enhanced the mechanical properties. However, further addition of Si up to 5 wt.% impaired the tensile properties. Applying the first pass of FSP improved the tensile strength and fracture strain of the alloy containing 3 wt.% Si by 25 and 125%, respectively. However, the second and fourth pass of FSP substantially improved the fracture strain, but deteriorated the hardness and tensile strength of the alloy containing 3 wt.% Si. Post-FSP aging at 180 °C for 8 h significantly improved the mechanical properties. For instance, compared to the as-cast condition, the hardness, tensile strength, fracture strain, and toughness of post-aged four-pass FSPed Al-4.5Cu-3Si alloy increased by 107, 108, 175, and 310%, respectively. According to the fractography results, the fracture surface morphology of Al-4.5Cu-3Si alloy changed from a quasi-cleavage mode in as-cast condition to a ductile-dimple fracture mode after post-FSP aging.

Słowa kluczowe

Al-Cu alloys silicon friction stir processing post aging mechanical properties

krzem właściwości mechaniczne stop Al-Cu

Wydawca

Springer
Wrocław University of Science and Technology

Czasopismo

Archives of Civil and Mechanical Engineering

Rocznik

2022

Tom

Vol. 22, no. 1

Strony

art. no. e11, 2022

Opis fizyczny

Bibliogr. 62 poz., rys., wykr.

Twórcy

autor

Mostafavi M.

mostafavi.hawk@gmail.com

Department of Materials Science and Metallurgy, Imam Khomeini International University, Qazvin, Iran

autor

Taghiabadi R.

taghiabadi@ikiu.ac.ir

Department of Materials Science and Metallurgy, Imam Khomeini International University, Qazvin, Iran

https://orcid.org/0000-0001-6602-8776

autor

Jafarzadegan M.

jafarzadegan@eng.ikiu.ac.ir

Department of Materials Science, Science and Research Branch, Islamic Azad University, Tehran, Iran

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023)

Typ dokumentu

Bibliografia

Identyfikator YADDA

bwmeta1.element.baztech-4e284894-cab1-4b5e-8fe0-7fa8640649a0