A microstructural study of flash welded and aged 6061 and 6013 aluminum alloys

Journal Article · Fri Sep 15 04:00:00 EDT 2006 · Materials Characterization

DOI:https://doi.org/10.1016/j.matchar.2006.01.002· OSTI ID:20889847

Barbosa, C ^[1]; Dille, J ^[2]; Delplancke, J -L ^[2]; Rebello, J M.A. . ^[3]; Acselrad, O ^[3]

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1. National Institute of Technology (INT), Rio de Janeiro (Brazil)
2. Free University of Brussels (ULB), Brussels (Belgium)
3. Federal University of Rio de Janeiro (UFRJ), EE/COPPE, Rio de Janeiro (Brazil)

Extruded, flash welded and artificially aged 6061 and 6013 aluminum alloys were analyzed with the use of techniques such as transmission electron microscopy (TEM) imaging, selected area electron diffraction (SAD) and X-ray energy-dispersive spectroscopy (EDS) in order to identify the precipitates present in both alloys. Vickers microindentation hardness measurements were performed at different distances from the weld interface. The results show a small decrease in hardness near the 6013 alloy weld interface. On the other hand, there is an important hardness drop near the 6061 weld interface. This drop can be explained by a lack of fine structural precipitation during the aging treatment in the 6061 weld interface zone.

• OSTI ID: 20889847
• Journal Information: Materials Characterization, Journal Name: Materials Characterization Journal Issue: 3 Vol. 57; ISSN 1044-5803; ISSN MACHEX
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
AGING
ALUMINIUM ALLOYS
FLASH WELDING
MICROSTRUCTURE
TRANSMISSION ELECTRON MICROSCOPY