NDT.net - August 2002, Vol. 7 No.08

Role of Thermal and Sub-Thermal Neutrons in NDE Activities

J. Guidez, A. Youtsos, C. Ohms, JRC, European Commission, Netherlands
Corresponding Author Contact:
Email: Michel.BIETH@cec.eu.int, Web: www.jrc.nl

3nd International Conference on NDE in Relation to Structural Integrity for Nuclear and Pressurized Components, Nov 14-16, 2001, Seville Spain


ABSTRACT

INTRODUCTION

HFR NEUTRON BEAM FACILITIES

GENERAL CHARACTERISTICS OF NEUTRONS

DIFFERENCES BETWEEN NEUTRONS AND X-RAYS

ACTIVATION ANALYSIS

NEUTRON RADIOGRAPHY

NEUTRON DIFFRACTION FOR STRUCTURE AND STRESS ANALYSES

SMALL ANGLE NEUTRON SCATTERING (SANS) FOR DEFECTS ANALYSIS

OTHER TECHNIQUES

CONCLUSIONS

REFERENCES

  1. J. Guidez, ed., HFR annual report 2000, to appear
  2. A.G. Youtsos, ed., "Users guide to the neutron beam facilities at the High Flux Reactor", European Commission, Directorate General JRC, EUR 18083, Luxembourg 1998
  3. "Practical neutron radiography". Kluwers Academic Publishers. Editors: The neutron radiography working group under auspices of the European Commission, Joint Research Centre, Petten (The Netherlands)
  4. C. Ohms, A.G. Youtsos, A. Bontenbal, F.M. Mulder, "Neutron Diffraction Facilities at the High Flux Reactor, Petten", PHYSICA B: Physics of Condensed Matter, Vol. 276-278, 2000, pp. 160-161
  5. C. Ohms, A.G. Youtsos, P. v.d. Idsert, Th. Timke, "Residual Stress Measurements in Thick Structural Weldments by Means of Neutron Diffraction", Materials Science Forum, Vol. 347-349, 2000, pp. 658-663
  6. C. Ohms and A.G. Youtsos, "Monitoring of Ageing Effects in Structural Components based on Neutron Diffraction", in: Proceedings of the Joint EC-IAEA Specialists Meeting on NDT Methods for Monitoring Degradation, IAM-JRC, Petten, March 10, 1999
  7. C. Ohms, A.G. Youtsos, P. van den Idsert, "Non-destructive Measurement of Residual Stresses in Nuclear Welds by Means of Neutron Diffraction", in: Proceedings of Baltica V – International Symposium on Condition and Life Management for Power Plants, Eds. S. Hietanen & P. Auerkari Porvoo, VTT Technical Research Centre, Espoo, Finland, Vol. 2, pp. 487-497, June 2001
  8. C. Ohms, A.G. Youtsos, in "Neutron Diffraction Measurements of Residual Stress in a Shrink-fit Ring and Plug", ed. G.A. Webster, VAMAS Report No. 38, ISSN 1016-2186, Jan 2000
  9. A.G. Youtsos and C. Ohms, "Residual stress in Joints by Neutron Diffraction at JRC", in Proceedings of ECCM-8 European Conference on Composite Materials, Ed. I. Crivelli Visconti, Vol. 3, pp. 309-316, Napoli, 1998
  10. C. Ohms, A.G. Youtsos, P. van den Idsert, "Structural Integrity Assessment based on the HFR Neutron Beam Facilities", to appear in: Applied Physics A

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