NASA NTRS · 19680000004
Development of mechanized ultrasonic scanning system
Abstract
Mechanized ultrasonic scanning system inspects the flaw content in the welds of space vehicle booster stages and propellant tanks. It is capable of scanning welds at speeds greater than 1 inch per second.
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Evans, R., Mac Donald, J. A.. 1968-01-01. Development of mechanized ultrasonic scanning system. https://ntrs.nasa.gov/citations/19680000004
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