NDT.net - December 1998, Vol. 3 No. 12

Table of Contents ECNDT '98

Session: Computer Simulation

Simulations of eddy current distributions and crack detection algorithms for a SQUID based NDE system

M.v.Kreutzbruck, M.Mück and C.Heiden
Institute of Applied Physics, Justus-Liebig-University Giessen, Heinrich-Buff-Ring 16,
35392 Giessen, Germany
Corresponding Author Contact:
Kreutzbruck
Giesen
Email: marc.v.kreutzbruck@physik.uni.giessen.de
Table of Contents

Introduction

Dependence of the penetration depth on materials properties and excitation coil geometry

Determination of the optimum excitation frequency

Current distributions for different coils and samples

Crack detection algorithm

Acknowledgment

References

  1. S. Tan, N. Sepulveda, and J.P. Wikswo, Jr., J. Comp. Physics, 122: 150-164 (1995).
  2. D.Koelle, R.Kleiner, F.Ludwig, G.Dantsker and J.Clarke, Rev.Mod.Phys (to be published).
  3. R.Hohmann, H. -J.Krause, H. Soltner, Y. Zhang, C.A.Copetti, H.Bousack and A.I.Braginski, IEEE Trans. Appl. Supercond., 7, 3702, 1997.
  4. Cochran, J.C.Macfarlane, L.N.C.Morgan, J.Kuznik, R.Weston, L.Hao, R.M.Bowman and G.B.Donaldson, IEEE Trans.Appl.Supercond. AS-4, 128 (1994).
  5. M.v.Kreutzbruck, J.Tröll,M.Mück, C.Heiden and Y. Zhang, IEEE Trans. Appl. Supercond., 7, 3279, (1997).
  6. F. Schmidl, S.Wunderlich, L. Dörrer and P. Seidel, IEEE Trans. Appl. Supercond., 7, 2756, 1997.
  7. Y.P. Ma and J.P. Wikswo Jr. , Review of Progress in QNDE, 13: 303-309 (1994)
  8. M.v.Kreutzbruck, M. Mück, U.Baby and C.Heiden, Studies in Applied Electromagnetics and Mechanics, Vol 13, IOS Press, Amsterdam (1998)
  9. M. Mück, M.v.Kreutzbruck, U.Baby and C.Heiden, Physica C, 282-287, (1997) 407-410
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