The growth in the use of composite materials for critical aerospace structures has created a need for quantitative inspection techniques to verify the integrity of these structures. The size of these structures accompanied with the susceptibility of composites to impact damage favor the development of turn-key systems with the portability for use in manufacturing environments as well as in the field. The evolution of automated NDE imaging systems such as the Mobile AUtomated Scanner (MAUS) is a direct response to meet this challenge. The latest version, the MAUS III, is a portable C-scan inspection system that is used for the nondestructive evaluation of structures in the factory or field. A complete turn-key system, it includes the equipment required to acquire, image, evaluate, store and transfer high resolution C-scan images. Several inspection modes are available including ultrasonic pulse-echo depth and amplitude, resonance, and eddy current methods. This paper will describe several applications developed as a result of implementing the MAUS for the on-site nondestructive evaluation of aerospace components including the inspection of graphite/epoxy rocket booster fairing doublers, large diameter graphite/epoxy liquid hydrogen tanks, graphite/epoxy solid rocket motor impacts, stitched composite wing test specimens, DC-10 aluminum crown doublers, and metal matrix composite fatigue specimens.
Portable nondestructive evaluation of aerospace structures
1998
11 Seiten, 4 Quellen
Conference paper
English
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