NDT.net - March 1999, Vol. 4 No. 3

Table of Contents ICAC'98

Damage assessment in an SMC composite by means of ultrasonic techniques

F. Aymerich and S. Meili
Dipartimento di Ingegneria Meccanica
Università di Cagliari, Piazza d'Armi - 09123 Cagliari, Italy
Fax : 0039 070 6755717
Corresponding Author Contact:
Email: meili@iris.unica.it

TABLE OF CONTENTS


Abstract

Introduction

Damage evaluation

Experimental

Results and discussion

Conclusions

References

  1. Handbook of Composites, G. Lubin Ed.,Van Nostrand Reinhold, New York (1982).
  2. Aymerich, F., P. Priolo, "Characterization of an SMC Material for Bumper Applications", Proc. Experimental Techniques and Design in Composite Materials, Cagliari, October 30-31, 1996, Key Engineering Materials, Vol. 144 , pp. 43-52 (1998).
  3. Birks, A.S., R.E. Jr. Green, P. McIntire, Ultrasonic testing (Nondestructive testing handbook, 2nd ed.; v. 7), American Society for Nondestructive Testing, (1991).
  4. Jeong, H., D.K. Hsu, "Experimental analysis of porosity induced ultrasonic attenuation and velocity change in carbon composites", Ultrasonics, Vol 33 No 3 (1995).
  5. Hsu, D.K. and S. M. Nair, "Evaluation of porosity in graphite-epoxy composite by frequency dependence of ultrasonic attenuation", Review of Progress in Quantitative Nondestructive Evaluation, Vol. 6B (Thompson, D.O. and Chimenti, D.E., Eds) Plenum Press, New York, pp. 1185-1193 (1986).
  6. Hughes, M.S., S.M. Handley, J.G. Miller, and E.I. Madaras, "A relationship between frequency dependent ultrasonic attenuation and porosity in composite laminates.", Review of Progress in Quantitative Nondestructive Evaluation, Vol. 7B (Thompson, D.O. and Chimenti, D.E., Eds) Plenum Press, New York, pp. 1037-1044 (1987).
  7. Long, E.R., Jr, S.M. Kullerd, P.H. Johnston and E.I. Madaras, "Ultrasonic Detection and Identification of Fabrication Defects in Composites", First NASA Advanced Composite Technology Conference, NASA CP 3104, pp. 705-720, (1991).
  8. Akers, D., C. Vaccaro, S. Ellworth and D. Pettit, "The effect of porosity density and configuration in composite materials on the ultrasonic waveform", Review of Progress in Quantitative Nondestructive Evaluation, Vol. 15 (Thompson, D.O. and Chimenti, D.E., Eds) Plenum Press, New York, pp. 1239-1246 (1996).
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