Resistance spot welding of 6061-T6 aluminum: Failure loads and deformation

被引：40
|
作者：
Florea, R. S. [1 ]
Solanki, K. N. [1 ]
Bammann, D. J. [2 ]
Baird, J. C. [1 ]
Jordon, J. B. [3 ]
Castanier, M. P. [4 ]
机构：
[1] Ctr Adv Vehicular Syst, Starkville, MS 39759 USA
[2] Mississippi State Univ, Mississippi State, MS USA
[3] Univ Alabama, Tuscaloosa, AL 35487 USA
[4] USA, TARDEC, RDTA RS, Warren, MI 48397 USA
来源：
MATERIALS & DESIGN | 2012年 / 34卷
关键词：
SHEETS; SIMULATION;
D O I：
10.1016/j.matdes.2011.05.017
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This study offers a novel research approach to compare weld quality for different welding conditions in order to achieve optimal end-product results. Using electron back scatter diffraction (EBSD) scanning, tensile testing, and laser beam profilometry (LBP) measurements along with optical microscopy (OM) images, failure loads and deformation of 6061-T6 aluminum alloy, resistance spot welded (RSW) joints were experimentally investigated. Three welding conditions, nugget and microstructure characteristics were quantified according to predefined process parameters. Quasi-static tensile tests were used to characterize the failure loads in specimens based upon these same process parameters. Profilometer results showed that the larger the applied welding current, the deeper the weld imprints. In addition, good correlation was obtained between the EBSD scans and the welding conditions. A strong dependency was found between the grain size and orientation and the welding parameters. (C) 2011 Elsevier Ltd. All rights reserved.
引用
收藏
页码：624 / 630
页数：7
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