INVESTIGATION OF ULTRASONIC WELDING OF REFRACTORY METALS AND ALLOYS Open PDF Document Details Document Type Technical Report Publication Date Mar 01, 1963 Accession Number AD0402406 Tags Communities of Interest Energy and Power Technologies Space Weapons Technologies DTIC Thesaurus Topics Aerospace Industry Aircrafts Alloys Contracts Control Systems Engineering Materials Military Research Munitions New York Procurement Production Engineering Refractory Metals Stainless Steel Steel Ultrasonic Welding Welding