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Characterization of 6XXX Series Aluminum Extrusions Using Digital Image Correlation (DIC) technique
ISSN: 0148-7191, e-ISSN: 2688-3627
Published March 28, 2017 by SAE International in United States
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Aluminum extrusions are used in the automotive industry for body structure applications requiring cross-section design flexibility, high section stiffness, and high strength. Heat-treatable 6xxx series extrusion alloys have typically been used in automotive due to commercial availability, competitive cost, high strength, and impact performance. This paper presents a characterization study of mechanical properties of 6xxx series aluminum extrusions using digital image correlation (DIC). DIC has been used to capture spatial strain distribution and its evolution in time during material deformation. The materials of study were seamless and structural 6061 and 6082 extrusions. The alloys have been tensile tested using an MTS load frame with a dual optical camera system to capture the stereoscopic digital images. Notable results include the differing anisotropy of seamless and structural extrusions, as well as the influence of artificial aging on anisotropy.
CitationMallela, K., Ilinich, A., Luckey, S., Zeng, D. et al., "Characterization of 6XXX Series Aluminum Extrusions Using Digital Image Correlation (DIC) technique," SAE Technical Paper 2017-01-0316, 2017, https://doi.org/10.4271/2017-01-0316.
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- “Aluminum Extrusion Manual”, Aluminum Extruders Council, 4th Edition, 2014.