Ultrasonic Attenuation and Velocity in SAE 4150 Steel Open PDF Document Details Document Type Technical Report Publication Date Dec 01, 1961 Accession Number ADA950561 Entities People Donald J. Waltman Emmanuel P. Papadakis Paul F. Sullivan Tags Communities of Interest Air Platforms Energy and Power Technologies Weapons Technologies DTIC Thesaurus Topics Birefringence Crystals Diffraction Heat Treatment Jet Propulsion Materials Measurement Military Research Munitions Orientation (Direction) Rayleigh Scattering Refraction Scattering Steel Tempering Ultrasounds Wave Propagation