1. Thomas WM, Nicholas ED, Needham JC, Murch MG, Templesmith P, Dawes CJ. Friction stir butt welding. International patent application No. PCT/GB92/02203 and GB patent application No. 9125978.8, Dec. 1991, U.S. Patent No. 5,460,317, Oct. 1995
2. Friction stir welding: from basics to applications;Lohwasser,2010
3. Autogenous double-sided T-joint welding on aluminum alloys using low power fiber laser;Janasekaran;Int J Adv Manuf Technol,2017
4. Influence of welding parameters on lap joint between Al and Ti alloys using low power fiber laser;Janasekaran;Mater Werkst,2019
5. Study for TIG-MIG hybrid welding process;Kanemaru;Weld World,2014