Naval Surface Warfare Center 0 Carderock Division C West Bethesda, MD 20817-5700 0 C. NSWCCD-61 -TR-2008/13 September 2008 0. < Survivability, Structures, and Materials Department *" Technical Report U) U- w The Concept of Electrically Assisted Friction Stir Welding (EAFSW) and Application to the 0 Processing of Various Metals U. 10 By W. A. Ferrando ,0 -a 0 wo 00. b 20081014061 A C., ~Approved for public release; distribution is unlimited