Composite materials are widely used in a number of industrial sectors from aviation, space, to boat building, automotive, and sports goods. In recent years composite structures have seen a substantial increase of their use in the new generation of airplanes. The nondestructive testing and inspection of composite structures, both for manufacturing quality assurance and for in-service damage detection, has prompted the development and adaptation of a number of methods and techniques over the years. In this paper we review the various NDT methods for inspecting composites, especially those developed by the Center for Nondestructive Evaluation at Iowa State University in its interaction with the industrial users of composites. We will address the inspection issues of different types of composite structures including solid laminates, honeycomb- and foam-core sandwich components, and touch upon the inspection of perforated facesheets and bonded aluminum structures. The capability of various NDT methods including water- and air-coupled ultrasound, bond testing, manual and automated tap testing, thermography, and shearography will be described, with emphasis given to techniques that demonstrated benefits to the practice of composite inspection. Techniques developed by Iowa State University for performing composite inspections in the field, especially those with imaging capability, will be described.
Nondestructive inspection of composite structures. Methods and practice
Zerstörungsfreie Prüfung von Verbundstrukturen. Verfahren und Anwendung
2008
14 Seiten, 10 Bilder, 19 Quellen
(nicht paginiert)
Aufsatz (Konferenz)
Datenträger
Englisch
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