1. Effect of tool geometry on friction spot welding of polypropylene sheets by M.K.Bilici (express Polymer Letters, Vol. 6, No.10 (2012).
2. Mechanical properties of friction stir butt-welded Al-5086 H32 plate by G. Çam, S. Güçlüer, A. Çakan, H.T. Serindağ, journal of achievements inmaterials and manufacturing engineering (Volume 30 Issue 2 October 2008).
3. Process Parameters Effect on Mechanical Properties and Fatigue Behavior of Friction Stir Weld AA6060 Joints by M. Longo G. D’Urso C. Giardini E. Ceretti, Journal of Engineering Materials and Technology (134(2), 021006 Mar 27, 2012).
4. Friction Stir Welds (FSW) of aluminum alloy AW6082-T6 by J. Adamowski, M. Szkodo, and journal of achievements in materials and manufacturing engineering, (Volume-20 issues 1–2 February 2007).
5. Influence of pin profile and rotational speed of the tool on the formation of friction stir processing zone in AA2219 aluminium alloy by K.Elangovan and V.Balasubramanian published in material science and engineering (ISSN 2249–6289 Vol-1 No.1 january-june 2012).