TY - RPRT TI - Tool Forces Developed During Friction Stir Welding AU - Melendez, M. AU - Tang, W. AU - Schmidt, C. AU - McClure, J. C. AU - Nunes, A. C. AU - Murr, L. E. PY - 2003 UR - https://ntrs.nasa.gov/citations/20030071631 ID - 20030071631 ER -