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Abstract

Thermal and sub-thermal neutrons are invaluable tools for investigations in fundamental engineering and medical science. These neutrons have unique physical properties, i.e. a magnetic moment, very suitable wavelength, no electric charge, which enables the experimental scientist to obtain information that is simply not available otherwise. In addition, most applications of neutrons are non-destructive, which is mainly due to the particular type of neutron-matter interaction, which allows neutrons to penetrate deeply into most materials.

In the engineering field neutrons are nowadays mostly applied for measuring residual stresses. Nevertheless, texture and microstructure investigations are common practice and defects analysis methods are progressing.

In this paper the unique features of neutrons are described and the borderline towards similar experimental tools (like X-rays) is drawn. A number of applications of neutrons are shown and a brief overview of the installations available at the High Flux Reactor (HFR) of the European Commission is given. en.

Additional information

Authors: GUIDEZ J, European Commission, Joint Research Centre, Institute for Energy, Petten (NL);YOUTSOS A G, European Commission, Joint Research Centre, Institute for Energy, Petten (NL);OHMS C, European Commission, Joint Research Centre, Institute for Energy, Petten (NL)
Bibliographic Reference: An oral report given at: 3rd International Conference on NDE in Relation to Structural Integrity for Nuclear and Pressurised Components. Organised by: Joint Research Centre and Electric Power Research Institute (US). Held in: Seville (E
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