NDLI: Effect of heat treatment on corrosion resistance of friction stir welded AA 2024 aluminum alloy

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Effect of heat treatment on corrosion resistance of friction stir welded AA 2024 aluminum alloy

Content Provider	Semantic Scholar
Author	Abbass, Muna Khethier Ameen, Hani Aziz Hassan, Khairia Salman
Copyright Year	2011
Abstract	This work aims to study the effect of heat treatment on the corrosion resistance of friction stir welded joint of AA2024 aluminum alloy. The microstructure and corrosion behavior of the welds and base alloy were studied before and after age hardening heat treatment which includes solution heat treatment at 510oC and aging at 190oC for 3hrs. The friction stir welding was carried out by using CNC milling machine at constant tool rotational speed of (1000 rpm) and welding speed of (20mm/min). Corrosion current was found using potentiostatic polarization measurements of all samples in 3.5%NaCl solution at a temperature of 30oC. It was found that the corrosion rate of weld was higher than that of base alloy before age hardening treatment. Post weld aging treatment leads to increase the corrosion resistance of weld because of precipitation homogeneity occurring in the microstructures of various welding regions.
Starting Page	297
Ending Page	306
Page Count	10
File Format	PDF HTM / HTML
DOI	10.5251/ajsir.2011.2.2.297.306
Volume Number	2
Alternate Webpage(s)	http://www.scihub.org/AJSIR/PDF/2011/2/AJSIR-2-2-297-306.pdf
Alternate Webpage(s)	https://doi.org/10.5251/ajsir.2011.2.2.297.306
Language	English
Access Restriction	Open
Content Type	Text
Resource Type	Article

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