Investigation Toiler Weld Blank of SSM 2024 Aluminum Alloys by Friction Stir Welding Joint

Yongyuth Dunyakul; Chaiyoot Meengam; Dech Maunkhaw

doi:10.4028/www.scientific.net/MSF.1020.41

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HomeMaterials Science ForumMaterials Science Forum Vol. 1020Investigation Toiler Weld Blank of SSM 2024...

Investigation Toiler Weld Blank of SSM 2024 Aluminum Alloys by Friction Stir Welding Joint

Abstract:

The objective of this research was to investigate variables that affected the adhesion of the welded joints for TWBs with FSW in the SSM 2024 aluminum alloys. The results clearly showed that there was a good adhesion of the samples in every experiment. Longitudinal voids can also been found on the top surface of some variables. The average size of cross-links structure of Al₂Cu phase (β phase) in SZ, broken into smaller pieces, was around 4 to 7 μm and evenly mixed with alpha phase (α phase). The effect of fracture of Al₂Cu phase promoting better mechanical properties. The appropriate tensile strength from the experiment came from variables at the work angle at 15^o, rotation speed at 2720 rpm, and welding speed 60 mm/min which provided maximum tensile strength value at 205.0 MPa and the maximum average hardness at 132.4 HV, higher than the weld region. The assessment results showed that the differences in welding variables resulted in different mechanical properties.

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Periodical:

Materials Science Forum (Volume 1020)

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41-48

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https://doi.org/10.4028/www.scientific.net/MSF.1020.41

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Online since:

February 2021

Authors:

Yongyuth Dunyakul, Chaiyoot Meengam*, Dech Maunkhaw

Keywords:

Friction Stir Welding, SSM 2024 Aluminium Alloy, Toiler Weld Blank

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