[1] Cha B. W., and Na S .J., "A study on the relationship between welding conditions and residual stress of resistance spot welded 304-type stainless steels", Journal of Manufacturing Systems, vol. 3, no. 22, pp. 181–189, 2003. [2] Vural M., Akkus A., and Eryurek B., "Effect of welding nugget diameter on the fatigue strength of the resistance spot welded joints of different steel sheets", Journal of Materials Processing Technology, 176, pp. 127–132, 2006. [3] Ranjbar Nodeh I., Serajzadeh S., and Kokabi A. H., "Simulation of welding residual stresses in resistance spot welding, FE modeling and X-ray verification", Journal of Materials Processing Technology, 205, pp. 60-69, , 2008. [4] Ma N., and Murakawa H., "Numerical and experimental study on nugget formation in resistance spot welding for three pieces of high strength steel sheets", Journal of Materials Processing Technology, 210, pp. 2045–2052, 2010. [5] Moshayedi H., and Sattari-Far I., "Numerical and experimental study of nugget size growth in resistance spot welding of austenitic stainless steels", Journal of Materials Processing Technology, 212, pp. 347– 354, 2012. [6] Dickinson D.W., "Welding in the automotive industry", Committee of Sheet Steel Industries, Report AISI SG 81-5, 1981. [7] "Recommended practices for test methods for evaluating the resistance spot welding behavior of automotive sheet materials", American Welding Society, AWS/SAE D8.9:02, 2002. "Standard test method for determining residual stress by hole drilling strain-gage method", ASTM Designation, E837-95, pp. 642-648, 1997. [9] Cha B.W., and Na S.J., "A study on the relationship between welding conditions and residual stress of resistance spot welded 304-type stainless steels", Journal of Manufacturing Systems, vol. 3, no. 22, pp. 181–189, 2003. [10] Long X., "Finite element analysis of residual stress generation during spot welding and its affect on fatigue behavior of spot welded joint", Ph. D. Thesis, The Faculty of the Graduate School, University of Missouri-Columbia, 2005.
)