Investigation of modified friction stir clinching-brazing process of AA2024 Al/AZ31 Mg: metallurgical and mechanical properties

• Autorzy: Paidar Moslem , Kazemi Amirreza , Mehrez Sadok , Ojo Olatunji Oladimeji , Nasution Mahyuddin Khairuddin Matyuso , Mironov Sergei Nikolaevich

Identyfikatory

DOI

10.1007/s43452-021-00267-7

• Języki publikacji: EN

Abstrakty

EN

The weldability of the AA2024-T3 and AZ31 Mg alloys was investigated using the modified friction stir clinching-brazing (MFSC-B) and probe-less friction stir spot brazing (PFSSB) processes. A 50 µm thick Zn foil-interlayer was sandwiched between the dissimilar base materials for the welding processes. The mechanical, microstructure, and weld-fracture behaviors of all joints were studied and compared. Zn-rich interdiffusion-aided lamellar and blocky structures are found at the brazed region/zone of the AA2024-T3/Zn/AZ31 joint irrespective of the welding process due to the sole influence of heat input at the zone. The differential flow in the MFSC-B joint enforces significant inter-material mingling, better distribution of Zn, and more subgrains/dislocation density at the joint as compared to the PFSSB joint. The interlayer inhibited the creation of the β-Al3Mg2 phase while the γ-Al12Mg17 phase could not be prevented in the AA2024-T3/Zn/AZ31 joints due to tool-induced atomic collision and diffusion–reaction mechanisms. Improved tensile/shear failure load is found in the MFSC-B joint (4369 N) as related to their PFSSB counterpart (3018 N) due to improved material flow (intermixing), and intense dislocation density. The MFSC-B process is thus recommended for dissimilar joining of Mg and Al alloys.

Słowa kluczowe

EN

modified friction stir clinching-brazing; probe-less friction stir spot brazing; aluminum alloy; mechanical properties; microstructure; fracture

PL

tarcie; lutowanie; stop aluminium; właściwości mechaniczne; pękanie

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2021
• Tom: Vol. 21, no. 3
• Strony: 516--532
• Opis fizyczny: Bibliogr. 41 poz., fot., rys., wykr.

Twórcy

autor

Paidar Moslem

• Department of Materials Engineering, South Tehran Branch, Islamic Azad University, 1459853849 Tehran, Iran

• https://orcid.org/0000-0002-9576-4761

autor

Kazemi Amirreza

• School of Mechanical Engineering, College of Engineering, University of Tehran, Tehran, Iran

autor

Mehrez Sadok

• Department of Mechanical Engineering, College of Engineering at Al Kharj, Prince Sattam Bin Abdulaziz University, Al Kharj 16273, Saudi Arabia
• Department of Mechanical Engineering, University of Tunis El Manar, ENIT, BP 37, Le Belvédère, 1002 Tunis, Tunisia

autor

Ojo Olatunji Oladimeji

• Department of Industrial and Production Engineering, The Federal University of Technology, Akure, Nigeria

autor

Nasution Mahyuddin Khairuddin Matyuso

• Data Science and Computational Intelligence Research Group, Information Technology Department, Universitas Sumatera Utara, Medan, Indonesia

autor

Mironov Sergei Nikolaevich

• Sechenov First Moscow State Medical University, Moscow, Russia

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Uwagi

PL

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)