On the Role of Friction when Welding with Ultrasound Open PDF Document Details Document Type Technical Report Publication Date Jun 26, 1961 Accession Number AD0261808 Entities Organizations Air Force Systems Command Tags Communities of Interest Energy and Power Technologies DTIC Thesaurus Topics Air Force Boundaries Climate Change Crystal Lattices Displacement Distribution Curves Frequency Friction Government Procurement Joints Materials Metals Plastic Deformation Plastic Flow Plastic Properties Ultrasonic Welding Welding