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1. INTRODUCTION 2 2. CRAYONS COMBUSTIBLES 4 3. CLASSIFICATION DES DETAILS VUS PAR NEUTRONOGRAPHIE 8 4. REPERAGE DES NEUTRONOGRAMMES 12 5. UTILISATION DU RECUEIL 14 6. CONTENU DU RECUEIL 16 7. TERMINOLOGIE 30 8. INSTALLATIONS DE NEUTRONOGRAPHIE A L'INTERIEUR DE LA COMMUNAUTE EUROPEENNE 42 9. REFERENCES 54 10. COLLECTION DES NEUTRONOGRAMMES SUR PAPIER PHOTOGRAPHIQUE (ECHELLE 2:1) ET FILM (ECHELLE 1:1) 55 TABLE OF CONTENTS PREFACE 1. INTRODUCTION 3 2. FUEL PINS 5 3. CLASSIFICATION OF NEUTRON RADIOGRAPHIC FINDINGS 9 4. MARKING OF THE RADIOGRAPHS 13 5. HOW TO USE THE COLLECTION 15 6. CONTENTS OF THE COLLECTION 17 7. TERMINOLOGY 31 8. NEUTRON RADIOGRAPHY INSTALLATIONS IN THE EUROPEAN COMMUNITY 43 9. REFERENCES 54 10. REFERENCE NEUTRON RADIOGRAPHS ON PHOTOGRAPHIC PAPER (SCALE 2:1) AND FILM (SCALE 1:1) 55 PREFACE Although the principles of radiography with neutron beams have been known for some 45 years, their practical application in industry and research is still a rather young field. Norms, standards, and common terms of reference are scarce. One of the main tasks of the Neutron Radiography Working Group (NRWG) -constituted by the Joint Research Centre Petten of the Commission of the European Communities and national nuclear research centres within the European Community -has been to fill this gap.