Neutron radiography : proceedings of the first world conference, San Diego, California, U.S.A., December 7-10, 1981

Front Matter....Pages I-XVII Front Matter....Pages 1-1 Introduction to the Conference....Pages 3-3 Basic Principles of Thermal Neutron Radiography....Pages 5-21 Physics of Neutron Radiography Using Selected Energy Neutrons....Pages 23-33 Nuclear Industry Application of Neutron Radiography in Europe....Pages 35-46 Application of Neutron Radiography in Japan....Pages 47-50 Neutron Radiography Facilities Using Neutron Beams from Nuclear Reactors....Pages 51-57 Review of Neutron Radiography Development Activities at Argonne National Laboratory....Pages 59-65 A Review of Ten Years of Operation of the Industrial Neutron Radiography Facilities Associated with the Triton Reactor at the Fontenay Aux Roses Nuclear Research Center....Pages 67-76 Applications and Trends of Industrial Neutron Radiography....Pages 77-82 Front Matter....Pages 83-83 Neutron Radiography at Lucas Heights....Pages 85-92 Neutron Radiography in Brazil....Pages 93-98 Use of a Neutron Guide in Industrial Neutron Radiography....Pages 99-106 Status Report on the Activity of the Neutronradiography Group in Pusat Penelitian Teknik Nuklir Bandung (Bandung Reactor Centre)....Pages 107-110 Characteristics of Neutron Radiography Systems Using Accelerators and a Research Reactor....Pages 111-118 Development of a Neutron Radiography System at the Triga Mark III Reactor of the Nuclear Center of Mexico....Pages 119-126 Neutron Radiography Experiences at the Low Flux Reactor....Pages 127-133 Progress in NR Techniques and Applications at AWRE Aldermaston....Pages 135-143 Neutron Radiography at Dido Reactor....Pages 145-151 Neutron Radiography at the General Electric Nuclear Test Reactor....Pages 153-162 Neutron Radiography Facilities at Sandia National Laboratories, Albuquerque (SNLA)....Pages 163-171 Front Matter....Pages 83-83 Neutron Radiography Techniques at Sandia National Laboratories, Albuquerque (SNLA)....Pages 173-180 Front Matter....Pages 181-181 Description and Characterization of the BR1 Neutron Radiography Facility....Pages 183-189 Six Years’ Experience with the Double Beam Neutron Radiography Facility at the Risø National Laboratory....Pages 191-197 A 233 U Fuelled Reactor for Neutron Radiography....Pages 199-207 Design and Safety Aspects of Neutron Radiography Rig for Examination of Irradiated Objects....Pages 209-217 Developement of an Online Neutron Radiography System of High Resolution for Nuclear Materials....Pages 219-225 Neutron Radiography Installation in the HFR Reactor Pool....Pages 227-234 Neutron Radiography Installation for Long Fuel Rods at the HFR Petten....Pages 235-240 Neutron Radiography in Grenoble (I): A Complementary means for Inspecting Nuclear Fuels during Irradiation....Pages 241-249 Treat Neutron Radiography Facility....Pages 251-256 Hot Fuel Examination Facility Neutron Radiography Reactor Design....Pages 257-262 Operation and Modification of the HEDL Neutron Radiography Facility (NRF)....Pages 263-270 Design of the Fuels and Materials Examination Facility (FMEF) Neutron Radiography Facility for Irradiated Fuel....Pages 271-277 Front Matter....Pages 279-279 Neutron Radiography and Autoradiography at the J. Stefan Institute....Pages 281-290 Cold Neutron Radiography Applied to the Study of Hydrogen in Palladium....Pages 291-302 Determination of Nydrogen Content in Materials and Products by Neutron Radiography Method....Pages 303-307 Optimization of a “Constant Quality Level Control System” the “Orphee” Industrial Neutron Radiography Facility....Pages 309-314 Neutron Radiographic Inspection of Composite and Composite-Metal Structures....Pages 315-323 Neutron Radiography of Apollo Ordnance....Pages 325-332 Contrast Enhancement in Neutron Radiography Using a Gaseous Penetrant....Pages 333-337 Front Matter....Pages 279-279 Doping Explosive Materials for Neutron Radiographic Enhancement....Pages 339-346 Front Matter....Pages 347-347 Examination of Fuel Rods by Means of Neutron Radiography....Pages 349-353 Neutron and Gamma Radiography of UO 2 and Triga Fuel Elements....Pages 355-363 Inspection of Pu particle in UO 2 -PuO 2 pellet by neutron radiography....Pages 365-368 Non-Destructive Control of Plutonium Oxide Fuel Pins by Neutron Radiography at the BR1 Neutron Radiography Facility....Pages 369-373 The application of neutron radiography for the testing and investigation of nuclear fuel elements....Pages 375-382 Neutron Radiography Applications....Pages 383-389 Application of Epithermal Neutron Radiography to Performance Tests on Advanced LMFBR Fuel....Pages 391-394 Neutron Radiography of Subassemblies or Pins in a Hot Laboratory....Pages 395-401 Feasibility of Epi-Thermal Neutron Radiography of Fast Reactor Fuel Assemblies....Pages 403-410 Ex-Core Neutron Radiography of Large Fuel Bundles....Pages 411-418 Recent Developments and Capabilities in Neutron Radiography at HEDL....Pages 419-423 Postirradiation Examination Using Neutron Tomography....Pages 425-435 Neutron Radiography Applications and Techniques at the Hot Fuel Examination Facility....Pages 437-443 Front Matter....Pages 445-445 In Pool Neutron Radiography of a BWR Control Blade....Pages 447-452 Inspection of Reactor Fuel- and Absorber-Elements by Means of Neutron Radiography with a Small Size Antimony-Beryllium Neutron Source....Pages 453-459 Neutron Radiography Feasibility Studies for Steel Examination for the Liquid Metal Fast Breeder Reactor Program....Pages 461-468 Creep Strain Measurements on Irradiated Stainless Steel Samples by Means of Neutron Radiography....Pages 469-480 Reactor In-Situ Test-Fuel Neutron Radiography....Pages 481-486 Image Restoration to Increase Resolution of the Fast-Neutron Hodoscope....Pages 487-494 Front Matter....Pages 445-445 Resonance Neutron Radiography....Pages 495-502 Neutron Resonance Transmission Analysis of Reactor Spent Fuel Assemblies....Pages 503-511 Resonance Neutron Radiography....Pages 513-517 Resonance Neutron Radiography Using a Pulsed Neutron Source and a 2-Dimensional Scintillation Detector....Pages 519-530 Front Matter....Pages 531-531 An Animal Biological Application of Neutron Radiography : Study of Bone Tissue Rat Compared with Standard Radiography and Histology....Pages 533-541 Neutron Radiography of Osteopetrotic Rat....Pages 543-553 The Use of Neutron Radiography and Microdensitometry in the Study of Instrumental Effectiveness on Dental Tissue in the Process of Mineralization....Pages 555-563 Fast Neutron Imaging by Cellulose Nitrate Foils....Pages 565-571 Fast Neutron Radiography in Biology and Medicine....Pages 573-580 A Neutron Radiography Technique for Studying Young Roots Growing in Soil....Pages 581-590 Forensic Utilization of Neutron Radiography....Pages 591-598 Front Matter....Pages 599-599 Neutron Image Intensifier Tubes....Pages 601-607 Fluorescent Converter and Neutron Absober being Made of Boron Nitride....Pages 609-615 MTF Analysis of the Near-Real Time Neutron Radiography Facility at Murr....Pages 617-623 Aero Engine Applications of Cold Neutron Fluoroscopy at Rolls-Royce Limited....Pages 625-633 Cold Neutron Fluoroscopy Of Operating Automotive Engines....Pages 635-642 High Frame-Rate Neutron Radiography of Dynamic Events....Pages 643-651 High Speed Motion Neutron Radiography of Two-Phase Flow....Pages 653-659 Time-Resolved Neutron Radiography of Reactor Fuel....Pages 661-669 Front Matter....Pages 671-671 Neutron Radiography Facility Using 252 Cf Neutron Source....Pages 673-680 Front Matter....Pages 671-671 Neutron and Gamma Simultaneous Radiography Using a 2 5 2 Cf Isotopic Neutron Source....Pages 681-688 Californium-252 as a Source of Subthermal Neutrons....Pages 689-693 Performance of the Mound Facility Californium Multiplier....Pages 695-697 Underwater Neutron Radiography Facility Utilizing Small Neutron Generator....Pages 699-706 Application of Neutron Radiation Inspection at the Pantex Plant....Pages 707-716 A New Accelerator-Based Neutron Radiography System....Pages 717-724 Front Matter....Pages 725-725 Improvement of Efficiency of n,α Converters to Realize NR with Relatively Low n Flux Sources....Pages 727-728 How Good is Nitrocellulose Film for Neutron Radiography?....Pages 729-736 Optimisation of Etching Conditions and Shortening of the Etching Time of Cellulose Nitrate Films....Pages 737-744 Easy Direct Evaluation of NR Images on Cellulose Nitrate Films....Pages 745-746 Use of Cellulose Nitrate for Neutron Radiographic Testing of Burned Fuel Elements....Pages 747-753 A Study of the Neutron Radiographic Parameters of Some Solid State Nuclear Track Detectors....Pages 755-765 Track-Etch Radiography Using 10 B 4 C Convertor....Pages 767-774 Development of an Enriched Elemental Boron-10 Conversion Screen for Improved “Track-Etch” Image Recording....Pages 775-783 Development of Enriched Boron Track-Etch Converter Screens for Neutron Radiographic Applications....Pages 785-792 Fission Neutron Radiography with Etch-Track Detectors....Pages 793-797 Allyl Diglycol Carbonate as a Track Detector Material for Boron Autoradiography....Pages 799-805 A Model Describing Quantitative Neutron Autoradiography for Boron in Iron....Pages 807-814 Front Matter....Pages 815-815 On the Underlying Causes for the Shape of the Density Trace of a Round Object....Pages 817-823 Neutron Radiography in Grenoble (II) : Its Application in Routine Dimensional Measurements on Irradiated Experimental Fuel Pins....Pages 825-832 Front Matter....Pages 815-815 Application of Neutron Radiography in Light Water Reactor Fuel Pin Testing Programs at the High Flux Reactor Petten....Pages 833-842 On the Problems Relating to the Accuracy of the Measurement of Fuel Pin Diameters by Neutron Radiography....Pages 843-849 Measuring Signal-to-Noise Ratio of Typical Neutron Radiographs....Pages 851-858 The Extremum-Slope Criterion for Precise Dimensional Measurements in Neutron Radiography....Pages 859-865 Dimensional Measurements of the Petten Calibration Pin....Pages 867-883 Neutron Radiographic Image Definition under a Wide Range of Resolution Conditions....Pages 885-890 Inverse Contrast In Neutron Radiography....Pages 891-895 Front Matter....Pages 897-897 The Neutron Computer Tomography....Pages 899-906 The Role of Backdiffused Beta Radiation in Imaging with Beta Emitting Neutron Radiographic Converter Screens....Pages 907-917 The Influence of Multiple Refraction Effects on the Sharpness of Neutron Radiographs of Ferromagnetic Materials....Pages 919-927 Scattering Point Spread Functions in Neutron Radiography....Pages 929-936 Neutron Image Simulation by Monte Carlo Methods....Pages 937-943 Zone Plate Encoded Neutron Holography....Pages 945-951 Small Angle Neutron Scattering Complementing Neutron Radiography....Pages 953-959 Digital Neutron Radiography Using Plane Converters with Multiwire Proportional Chambers....Pages 961-969 The Application of Indirect Radiography to Neutron Field Studies....Pages 971-976 Cold Neutron Spectra of the General Atomic TRIGA Mk. F Neutron Radiography Facility....Pages 977-981 Front Matter....Pages 983-983 Neutron Radiography Standards in the United States of America....Pages 985-991 Personnel Qualification for NDT in the U.S.A.....Pages 993-995 Work on the Characterization of Sensitive Surfaces Used in Neutron Radiography, Conducted under the Auspices of Afnor....Pages 997-1001 Front Matter....Pages 983-983 Discussion Notes on the Workshop on ’Future Meetings’....Pages 1051-1051 Discussion Notes on the Workshop on ’Dimensional Measurements’....Pages 1053-1053 Methodology Used to Characterize an Industrial Neutron Radiography Facility Use of the Specific Image Quality Indicator....Pages 1003-1011 Discussion Notes on the Workshop on ’Neutron Radiography Standards for General Industry’....Pages 1013-1016 Search for Adequate Quality Standards for Neutron Radiography of Nuclear Fuel....Pages 1017-1024 Euratom Test Program for Image Quality and Accuracy of Dimensions....Pages 1025-1033 On the Development of a Combined Beam, Sensitivity and Measurement Quality Indicator for the Neutron Radiography of Fuel Pins....Pages 1035-1041 Recommended Practice for the Neutron Radiography of Nuclear Fuels....Pages 1043-1046 Discussion Notes on the Workshop on ’Neutron Radiography Standards for the Nuclear Industry’....Pages 1047-1047 Discussion Notes on the Workshop on ’Needs of Neutron Radiography Users’....Pages 1049-1050 Back Matter....Pages 1055-1073 The General Electric Company has been involved with neutron radio graphy for a number of years. Both highly radioactive and non-radio items are routinely neutrographed at the production oriented active facility on a commercial and an in-house basis. A number of reports per taining to General Electric's involvement in neutron radiography are listed for future reference [2] through [23]. REF ERE N C E S [1] ~eissel, J.P., "Neutron Radiography: Discussion and Preliminary Experiments", Report 59GL28l, General Electric Company, Schenectady, N.Y., 1958. [2] General Electric Compan~, Cryonuclear Facil ity, Atomic Power Equipment Department, Vallecitos Atomic Laboratory (1963). [3] Carver, J.G., "Radioactive Services Provided by the Nuclear Test Reactor (NTR)", in Transactions. International Conference on Research Reactor Utilization and Reactor Mathe matics. Mexico City, May. 1967. [4] Porter. C.R., "Neutron Radiography Catches the Picture that X-Rays Miss". Product Engi neeri n9. July. 1967. . [5] Bigisich, R.J., "Neutrography Service Quality Control Procedures and Specifications", Report NEOO-12l2l, General Electric Company, Pleasanton, CA . (1968). [6] General Electric COqlany, "Neutron Radiography-A New Dimension in Non-Destructive Testing", Report GEA-83ll, General Electric Company, Pleasanton CA, August. 1968. [7] Haskins, J.J .- Jaklevitk, J.R., and Wilkinson. C.D. in Proceedings, 16th Conference on Remote Systems Technology, American Nuclear Society. 1969, pp. 218-221