1. Thomas, W.M., Nicholas, E.D., Needham, J.C., Murch, M.G., Temple, S.P., Dawes, C.J., 1991. Friction stir butt welding, International Patent Application No PCT/GB92/02203,.
2. Properties of friction-stir-welded 7075-T651 aluminum;Mahoney;Metall Mater Trans A,1998
3. Influence of friction stir welding parameters on metallurgical and mechanical properties of dissimilar joint between semi-solid metal 356-T6 and aluminum alloys 6061-T651;Tehyo;Songklanakarin J SciTechnol,2012
4. Effect of welding parameters on weld formation and mechanical properties in dissimilar al alloy joints by FSW;Song;Mater Trans,2010
5. Bahemmat, P., Haghpanahi, M., Besharati, M.K., Ahsanizadeh, S., Rezaei1, H., 2010. Study on mechanical, micro and macrostructural characteristics of dissimilar friction stir welding of AA6061-T6 and AA7075-T6,ProcIMechE Part B: J. EngManuf, 224, pp.1854-1865.