NDLI: Formability of Friction Stir Welded and Processed AA 2024 – O Aluminum Alloy Sheets

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Formability of Friction Stir Welded and Processed AA 2024 – O Aluminum Alloy Sheets

Content Provider	Semantic Scholar
Author	Takhakh, Ayad Murad
Copyright Year	2016
Abstract	Friction Stir Welding (FSW) is one of the most effective solid states joining process, FSP is used to modify the microstructure of FSW welded zone. These processes used in many applications that require sheet forming process. In comparison to other welding processes FSW have better formability.The objective of this experiment was to show the effects that varying rotational speed and travel speed on the formability of a friction stir weld. In this work , the joining of 3 mm AA 2024-O aluminum alloy was achieved using the friction stir processing FSP and friction stir welding FSW using the rotational speeds (rpm) 1000 , 1250 , and 1500 rpm rotational speed and 40, 60, 80 mm/min travel speed.The formability of friction stir welded AA 2024-O aluminum alloy sheets were investigated by means of Load–Deflection curve with bending test. From the force-displacement behaviour for the aluminum welds it can be concluded that because of no cracking was observed in the weld zone for most weld sheets, which confirms the good formability compared to base material performance. The best result obtained at 1250 rpm and 40 mm/min rotational speed and travel speed respectively for face and root FSW bending test, and at 1000 rpm and 80 mm/min for FSP.It is possible to conclude that the formability behavior of the FSW and FSP welds depends mainly on the micro and macrostructure in addition to their mechanical properties that related with the process parameters i.e. rotational speed and travel speed.
File Format	PDF HTM / HTML
Alternate Webpage(s)	http://www.aensiweb.net/AENSIWEB/anas/anas/2016/July/85-94.pdf
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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