[1] Liu G., Murr L., Niou C., McClure J., and Vega F., Microstructural aspects of the friction-stir welding of 6061-T6 aluminum, Scripta materialia, Vol. 37, pp. 355-361, 1997.
[2] Mishra R. S., and Ma Z., Friction stir welding and processing, Materials Science and Engineering: R: Reports, Vol. 50, pp. 1-78, 2005.
[3] Rajakumar S., Muralidharan C., and Balasubramanian V., Establishing empirical relationships to predict grain size and tensile strength of friction stir welded AA 6061-T6 aluminium alloy joints, Trans. Nonferrous Met. Soc. China, Vol. 20, no. 10, pp. 1863–1872, 2010.
[4] Fadaeifard F. et al., Influence of rotational speed on mechanical properties of friction stir lap welded 6061-T6 Al alloy, Trans. Nonferrous Met. Soc. China, Vol. 24, no. 4, pp. 1004–1011, 2014.
[5] Trueba L., Heredia G., Rybicki D., and Johannes L. B., Effect of tool shoulder features on defects and tensile properties of friction stir welded aluminum 6061-T6, J. Mater. Process. Technol., Vol. 219, pp. 271–277, 2015.
[6] Dawood H. I., Mohammed K. S., Rahmat A., and Uday M. B., Effect of small tool pin profiles on microstructures and mechanical properties of 6061 aluminum alloy by friction stir welding, Trans. Nonferrous Met. Soc. China, Vol. 25, no. 9, pp. 2856–2865, 2015.
[7] Gharavi F., Matori K. A., Yunus R., Othman N. K., and Fadaeifard F., Corrosion evaluation of friction stir welded lap joints of AA6061-T6 aluminum alloy, Trans. Nonferrous Met. Soc. China, Vol. 26, no. 3, pp. 684–696, 2016.
[8] Malopheyev S., Vysotskiy I., Kulitskiy V., Mironov S., and Kaibyshev R., Optimization of processing-microstructure-properties relationship in friction-stir welded 6061-T6 aluminum alloy, Mater. Sci. Eng. A, Vol. 662, pp. 136–143, 2016.
[9] Long T., Tang W., Reynolds A. P., Process response parameter relationships in aluminum alloy friction stir welds, Science and technology of welding and joining, Vol. 12, No. 4, pp. 311-317, 2007
[10] Ouyang J., Yarrapareddy E., and Kovacevic R., Microstructural evolution in the friction stir welded 6061 aluminum alloy (T6-temper condition) to copper, J. Mater. Process. Technol., Vol. 172, no. 1, pp. 110–122, 2006.
[11] Elyasi M., Aghajani Derazkola H., Hossinzadeh M., Effects of friction stir welding parameters on mechanical quality of AA110 Aluminum alloy to A441 AISI steel joint, Modares Mechanical Engineering, Vol. 15, No. 4, pp. 379-390, 2015.
[12] Schmidt H., Hattel J., and Wert J., An analytical model for the heat generation in friction stir welding, Model. Simul. Mater. Sci. Eng., vol. 12, no. 1, p. 143, 2003.
[13] Khan N. Z., Siddiquee A. N., Khan Z. A., and Shihab S. K., Investigations on tunneling and kissing bond defects in FSW joints for dissimilar aluminum alloys, J. Alloys Compd., Vol. 648, pp. 360–367, 2015.
[14] Azizi A., Aalami Aleagha M. E., Moradi H., Investigation of thermal, mechanical and microstructural properties of 7000 series Aluminum alloys welding using friction stir welding process, Modares Mechanical Engineering, Vol. 14, No. 14, pp. 148-154, 2015 (In Persian).
[15] Gallais C. et al., Multiscale analysis of the strength and ductility of AA 6056 aluminum friction stir welds, Metall. Mater. Trans. A, Vol. 38, no. 5, pp. 964–981, 2007.
[16] Sato Y. S. and Kokawa H., Distribution of tensile property and microstructure in friction stir weld of 6063 aluminum, Metall. Mater. Trans. A, Vol. 32, no. 12, pp. 3023–3031, 2001.
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