1. W.M. Thomas, E.D. Nicholas, J.C. Needham, M.G. Murch, P. Templesmith, C.J. Dawes, Int. Patent Application No. PCT/GB92/02203, and Great Britain Patent Application No. 9125978.8, Friction stir welding, 1991.
2. Friction stir welding and processing
3. Tailor Welded Blanks for Advanced Manufacturing;Kinsey,2011
4. Corrosion susceptibility of peened friction stir welded 7075 aluminum alloy joints