FUNDAMENTALS OF ULTRASONIC WELDING. PHASE II Open PDF Document Details Document Type Technical Report Publication Date Feb 15, 1959 Accession Number AD0220210 Tags DTIC Thesaurus Topics Alloys Boundaries Contracts Diffusion Government Procurement Grain Boundaries Iron Materials Metals Orientation (Direction) Stainless Steel Steel Thickness Transverse Ultrasonic Welding Welding Welds