NDT.net - September 1998, Vol.3 No.9

Table of Contents ECNDT '98

Session: Aerospace

Ultrasonic Inspection of Adaptive CFRP-Structures

J. Pohl* - Uni. of Magdeburg, Germany.
*Corresponding Author Contact:
Otto-von-Guericke Univ. IWW, D-39016 Magdeburg, Germany ; Juergen.Pohl@Masch-Bau.Uni-Magdeburg.DE
TABLE OF CONTENTS

Introduction

The adaptive material system

Ultrasonic techniques

Results

Summary

As the results show, ultrasonic techniques are a valuable means of proving structural features, detection of flaws and estimation of piezoceramic performance in adaptive CFRP-composites. In this way a contribution to optimisation of material, structures and manufacture is provided. The used material, the manufacturing technique and the resulting structure affect detectability significantly. Regarding to the special conditions for ultrasonic propagation suitable techniques and image presentations have to be applied for successful application.

References

  1. Hanselka, H.: Realization of smart structures by using fiber composite materials. In: Smart mechanical systems - adaptronics. Ed.: U. Gabbert, VDI-Fortschritt-Berichte, Reihe 11: Schwingungstechnik, Nr. 244, VDI-Verlag Düsseldorf 1997, pp. 1-10
  2. Mook, G.; Pohl, J.; Veit, P.: Non-destructive evaluation of adaptive material systems. 7th European Conference on Non-Destructive Testing, Copenhagen, May 26-29, 1998
  3. Neumann, E.; Gripp, S.; Chen, X.: Über Grundlagen der Ultraschallprüfung akustisch anisotroper Werkstoffe. DGZfP Kolloquium Qualitätssicherung durch Werkstoffprüfung, 20.-21.03.1991, Zwickau, BB 26, S. 185-200
  4. Chimenti, D. E.; Nayfeh, A. H.: Leaky Lamb waves in fibrous composite laminates.Journal of applied physics, 58 (1985), pp. 4531-4536
  5. Bar-Cohen, Y.: NDE of fiber-reinforced composites - a review. Materials evaluation 44 (1986) 4, S. 446-454
|Top|
NDT.net
Copyright © NDT.net, info@ndt.net
/DB:Article /SO:ECNDT98 /AU:Pohl_J /CN:DE /CT:UT /CT:composite /CT:Aerospace /ED:1998-09