1. Ozel K. The effect of severe plastic deformation methods to the mechanical properties of aluminium alloys. M.Sc. Thesis. Graduate School of Natural and Applied Sciences of Trakya University, Edirne, Turkey; 2005.
2. Sahin M, Akata HE, Ozel K. An experimental investigation on joining of cold deformed aluminium materials with friction welding method. In: 5th national welding technology congress; 11–12 November 2005. p. 3–12 [in Turkish].
3. Welding technology handbook;Anık,1993
4. Sahin M. Investigation of effects of workpiece dimensions and plastic deformation on friction welding method. Doctoral dissertation. Graduate School of Natural and Applied Sciences of Trakya University, Edirne, Turkey; 2001.