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TECHNICAL PAPERS

A Study of Residual Stresses and Microstructure in 2024-T3 Aluminum Friction Stir Butt Welds

[+] Author and Article Information
M. A. Sutton, A. P. Reynolds

Dept. of Mechanical Engineering, University of South Carolina, Columbia, SC 29208

D.-Q. Wang, C. R. Hubbard

High Temperature Materials Lab, Oak Ridge National Laboratory, Oak Ridge, TN 37830

J. Eng. Mater. Technol 124(2), 215-221 (Mar 26, 2002) (7 pages) doi:10.1115/1.1429639 History: Received March 23, 2001; Revised July 20, 2001; Online March 26, 2002
Copyright © 2002 by ASME
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References

James, M., Mahoney, M., and Waldron, D., 1999, “Residual Stress Measurements in Friction Stir Welded Aluminum Alloys,” Proceedings of the 1st International Symposium on Friction Stir Welding, June, Thousand Oaks, CA.
Sutton, M. A., Yang, B., Reynolds, A. P., and Taylor, R., 2000, “Preliminary Studies of Mixed Mode Fracture in 2024-T3 Friction Stir Welds,” Best of Aeromat Session, ASM Materials Solutions Conference and Exhibition, St. Louis, MO, October 9–12.
Jata,  K. V., and Semiatin,  S. L., 2000, “Continuous Dynamic Recrystallization During Friction Stir Welding of High Strength Aluminum Alloys,” Scr. Mater., 43, pp. 743–749.
Rhodes,  C. G., Mahoney,  M. W., Bingel,  W. H., Spurling,  R. A., and Bampton,  C. C., 1997, “Effects of Friction Stir Welding on Microstructure of 7075 Aluminum,” Scr. Mater., 36, No. 1, pp. 69–75.
Murr, L. E., Liu, G., and McClure, J. C., 1997, “Dynamic Recrystallization in Friction-Stir Welding of Aluminum Alloy 1100,” J. Mater. Sci. Lett., No. 16, pp. 1801–1803.
Wang, D.-Q., Hubbard, C. R., and Spooner, S., “Residual Stress Determination for a Ferritic Steel Weld Plate,” ORNL, TM1999/141.
Sutton, M. A., Abdelmajid, I., Zhao, W., Wang, D.-Q., and Hubbard, C. R., Basic Studies of Welds in a Tank Car Steel: Residual Stress Measurements and Weld Characterization for TC-128B Plate Steel,” accepted to be published in Transaction of Transportation Research Board.
Xu, S., Deng, X., Reynolds, A. P., and Seidel, T. U., “Finite Element Simulation of Material Flow in Friction Stir Welding,” Sci. Technol. Weld. Joining (in press).
Nunes, A. C., Jr., Bernstein, E. L., and McClure, J. C., “A Rotating Plug Model for Friction Stir Welding,” submitted to the Welding Journal Research Supplement (in review).

Figures

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Coordinate system and cross-sectional designations for micro-structural investigations
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Microstructure as a function of transverse location in vertical transverse cross-section at mid-thickness of specimen (Z=0)
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Microstructure as a function of through-thickness location in vertical direction
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Schematic of Arcan specimen with measurement locations (all units are in mm)
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Longitudinal stress distribution in sections (a) CDGH and (b) ABEF
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Transverse stress distribution in sections (a) CDGH and (b) ABEF
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Normal stress distribution in sections (a) CDGH and (b) ABEF
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Equivalent stress distribution in sections (a) CDGH and (b) ABEF
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Crown-side view of FSW process
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Arcan specimen with location of friction stir weld

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