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Neutrons are becoming recognised as a valuable tool for structural integrity assessment of industrial components and advanced materials development. Microstructure, texture and residual stress analyses are commonly performed by neutron diffraction and a joint CEN/ISO Pre-Standard for residual stress analysis is under development. Furthermore neutrons provide for defects analyses, i.e. precipitations, voids, pores and cracks, through small angle neutron scattering (SANS) or radiography. At the HFR twelve beam tubes are installed for the extraction of thermal neutrons for such applications. Two of them are equipped with neutron diffractometers for residual stress and structure determination and have been extensively used in the past. Several other facilities are currently being reactivated and upgraded. These include the SANS and radiography facilities as well as a power diffractometer. This paper summarises the main characteristics and current status of these facilities as well as recent applications investigated.

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Authors: OHMS C, European Commission, Joint Research Centre, Institute for Energy, Petten (NL);YOUTSOS A G, European Commission, Joint Research Centre, Institute for Energy, Petten (NL);VAN DER IDSERT P, Energy research Centre of the Netherlands (ECN), Petten (NL)
Bibliographic Reference: An oral report given at: International Conference on Neutron Scattering (ICNS) 2001. Organised by: Technical University of Munich in collaboration with European Neutron Scattering Association. Held in: Munich, 9-13 September 2001.
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