Ultrasonic grating checks electron-beam welds
Remote inspection technique uses reflectance of ultrasonic waves from machined steps in root area of electron beam welds to indicate sound or faulty welds.
Mitchell, H. A.↗
Engineering topics
Mitchell, H. A.
Publications and source records attributed to Mitchell, H. A..
Deployment latchup dynamics of an erectable truss antenna.
Zero g deployment dynamics of erectable truss parabolic antennas, obtaining latchup loads as function of reflector mechanical energy
Downing, M.↗
Effect of modal oscillations on pointing accuracy of a large orbiting communications antenna.
Detrimental influence of structural oscillations excited by ACS on attitude control and pointing performance of large satellite antenna
Downing, MCL.↗