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Magnetic Flux and SLOFEC Inspection of Thick Walled Components

A. Bönisch
KontrollTechnik, Schwarmstedt, Germany
F.H. Dijkstra , J.A. de Raad
Röntgen Technische Dienst bv, Rotterdam, The Netherlands
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Summary:

1. Introduction

2. Progress in NDT capabilities

3. Traditional MFL Inspection systems

4. Principle of "traditional" MFL

5. Principle of "improved" MFL (SLOFEC)

6. Development of tools - market demand

7. Qualification and validation

8. Applications

9. Future

10. Conclusions

11. Acknowledgement

12. References

  1. J.A. de Raad, Novel Techniques for outside inspection of plant pipe work.
    INSIGHT, Volume 37, Number 6, June 1995.
  2. J.A. de Raad, New techniques for storage tank inspection.
    Corrosion Prevention and Control, Volume 37, Number 6, April 1990.
  3. J.H.J. Stalenhoef, J.A. de Raad, MFL and PEC tools for plant inspection.
    INSIGHT, Volume 42, Number 2, February 2000
  4. H.J.M. Jansen, M.M. Festen, Intelligent pigging for on-stream inspection of pipelines.
    Proceedings of Pipeline Technology 1995 , Volume 1 , page 185 - 196
  5. C.N. Owsten, On-Site examination of ferritic steel tubes in heat exchangers using an internal probe and an electro-magnetic technique.
    British Journal of NDT, July 1985 , page 227 - 231

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