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Atomic Energy Commission Reports
69
Hanford Works Reports
59
University of California Radiation Laboratory Reports
46
HW (Series)
40
Oak Ridge National Laboratory Reports
22
BMI (Series)
19
Battelle Memorial Institute Reports
19
UCRL (Series)
19
AECU (Series)
15
Los Alamos National Laboratory Reports
14
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256 Matching Results
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Urine Analysis for Tritium Oxide
This report analyzes a procedure based on the production of acetylene from the active water, with subsequent measurement of the ionization caused by the tritium beta particle. This eliminates the troublesome absorption on the chamber walls when hydrogen is used, and provides a rapid method for the preparation of the urine samples.
Date:
July 27, 1949
Creator:
Healy, J. W.
Object Type:
Report
System:
The UNT Digital Library
The Ductility of Brazed Stainless Steel Joints
Abstract: "The ductility of Type 310 stainless steel T-joints brazed with GE-62 brazing alloy was measured at room temperatures 1200, 1650, and 1800 F. The measure of ductility was taken as the plastic axial strain required to crack braze fillets in T-section tensile specimens. At elevated temperatures, the ductility of as-brazed joints approximated that of the stainless steel, but at room temperature the brazed joints had only one-tenth the ductility of the base metal. Annealing for 16 hr at 1800 F in air was found to triple the room-temperature ductility of the brazed joint."
Date:
July 8, 1953
Creator:
Saller, Henry A.; Stacy, J. T. & Eddy, N. S.
Object Type:
Report
System:
The UNT Digital Library
Terminal report on the Radiolanthanum Laboratory
A report which intends to acquaint the reader with the planning of the radiochemical laboratory designed for the analytical control of the radiolanthanum process and to define the terminal status of the design of this laboratory and its equipment.
Date:
July 21, 1950
Creator:
Figenshau, J. K.
Object Type:
Report
System:
The UNT Digital Library
Improved Zirconium Alloys Quarterly Report: April - June 1961
Quarterly report documenting progress on a project to determine an improved zirconium alloy for service in superheated water and steam. This report describes the results of approximately 75 compositions that were prepared prior, and presently are being arc-melted and fabricated into corrosion specimens, continuing the investigations of the effect of zirconium purity and heat treatment on corrosion and resistance.
Date:
July 11, 1961
Creator:
Weinstein, Daniel & Holtz, F. C.
Object Type:
Report
System:
The UNT Digital Library
Experimental Fabrication of a Lightweight Control Rod
Abstract: "The possibility of fabricating a lightweight control rod from one of several high cross-section materials was investigated. The major effort was directed toward the development of a titanium-clad rod containing a composite core of 25 weight per cent Gd2O3 in a matrix of titanium. Experimentation on both subscale and full-scale control-rod cores showed that the fabricating behavior of the two was not analogous. To roll the full-scale core successfully, it was necessary to lower the oxide content to 17 weight per cent. Subscale investigations were also carried out on titanium-cadmium, titanium-lanthanum, and titanium-gadolinium alloys."
Date:
July 1, 1952
Creator:
Saller, Henry A.; Stacy, J. T. & Keller, D. L.
Object Type:
Report
System:
The UNT Digital Library
Beryllia and Beryllia-Beryllium Bodies for Moderating Cores in Fuel Elements
From introduction: This report presents the results of the two phases of the work: study of the compatibility of beryllia bodies with a coating material, molybdenum; and studies of beryllia-beryllium body fabrication.
Date:
July 31, 1952
Creator:
Long, R. E.; Duckworth, W. H.; Saller, Henry A.; Stacy, J. T.; Miller, R. A. & Schofield, H. Z.
Object Type:
Report
System:
The UNT Digital Library
Progress Report on Nonaqueous Extractive Methods for Western Uranium Ores
The following progress report is part of a series of reports on the study of nonaqueous extractive methods for western uranium ores. This report continues studies on HCl-methanol leaching of Western ores, primarily on Temple Mountain ores.
Date:
July 15, 1953
Creator:
Ewing, R. A.; Pobereskin, M.; Kiehl, S. J.; Foley, D. D.; Filbert, Robert B.; Kimball, R. B. et al.
Object Type:
Report
System:
The UNT Digital Library
Beta-Counting Methods Applied to the Determination of Uranium in Low-Grade Ores
The following report covers investigations on the application of the beta counter as an analytical tool for use in experiments on the extraction and concentration of uranium from low-grade (.005-.02 % uranium) shale and phosphate rock ores.
Date:
July 1947
Creator:
Doig, J. R.; Igelsrud, Iver; Nelson, H. R. & Schwartz, C. M.
Object Type:
Report
System:
The UNT Digital Library
Fast Neutron Interactions with Li⁶ and Li⁷
Abstract: "Measurements have been made of the cross sections for the reactions Id-6(n, dn)He-4 and Li-7(n, tn)He-4 over an incident neutron energy range of 5 - 14 MeV. The energy and angular distributions of all reaction products were determined."
Date:
July 18, 1963
Creator:
Rosen, Louis
Object Type:
Report
System:
The UNT Digital Library
Improved Zirconium Alloys Quarterly Report: April - June 1962
The following report is part of a series of quarterly reports discussing investigations on the development of zirconium-base alloys having corrosion resistance and strength superior to Zircaloy-2 and/or development of materials of equivalent corrosion resistance by exhibiting enhanced strength. This report covers the period between May 29 and June 18 of 1958, made by the United States and the European Atomic Energy Community (EURATOM).
Date:
July 13, 1962
Creator:
Weinstein, Daniel & Holtz, F. C.
Object Type:
Report
System:
The UNT Digital Library
Corrosion of Type 347 Stainless Steel in the Uranium-Derby Pickle Bath
Abstract: In one of the final stages of the process at the Mallinckrodt Uranium Refining Center, a 45 per cent nitric acid solution at about 170 F is used to pickle the calcined magnesium fluoride scale off the uranium derbies. The increase in the fluoride-ion content of the bath tends to promote corrosion of the Type 347 stainless tanks. This attack becomes excessive if 0.3 g/liter of fluoride ion or more is present. It was found that if aluminum ion is added to the solution the corrosiveness of the bath can be controlled. Two or three times as much aluminum ion as fluoride ion present is found satisfactory at 170 F. Indications are that the tying up of the fluoride-ion by the complexion [AlF6]8 is responsible for the corrosion control.
Date:
July 14, 1954
Creator:
Peoples, R. S.; Fink, F. W.; Stewart, O. M. & Braun, W. J.
Object Type:
Report
System:
The UNT Digital Library
Evaluation of Methods of Brazing Aluminum Spacing Fins to Flat-Plate Aluminum-Clad Fuel Elements
Abstract: "Four brazing methods and one other joining process were evaluated for the joining of aluminum spacer fins to flat-plate aluminum-clad fuel elements. None of these methods appear completely suitable for use in a mass-production operation. Furnace brazing and salt-bath brazing were most promising. However, the mechanical problems involved in the application of either process deter their recommendation. Resistance brazing and torch-brazing were proven impractical. The great difference in mass between the two pieces being joined prevents the use of either the resistance or torch method. Pressure bonding is not applicable because of the excessive deformation of parts being joined."
Date:
July 23, 1954
Creator:
Evans, R. M. & Martin, D. C.
Object Type:
Report
System:
The UNT Digital Library
Investigation of Ammonium Uranates
This report studies ammonium dichromate and the conditions it needs to be under in order to precipitate and be isolated from an aqueous system.
Date:
July 19, 1956
Creator:
Ewing, Robert A.; Kiehl, Samuel J. & Bearse, Arthur E.
Object Type:
Report
System:
The UNT Digital Library
Effect of Ceramic or Metal Additives in High-UO₂ Bodies
The following report focuses on research made to determine whether the service performance of UO₂ fuel-elements cores for the PWR can be improved by certain ceramic or metal additions.
Date:
July 24, 1956
Creator:
Bowers, Donald J.; Hedden, Walter A.; Snyder, M. Jack & Duckworth, Winston H.
Object Type:
Report
System:
The UNT Digital Library
Vapor-Deposited Zirconium on Uranium
From introduction: "This report describes the second phase of the work on the application of protective coatings to uranium by vapor deposition to reduce or prevent its corrosion by water."
Date:
July 20, 1955
Creator:
Powell, Carroll F.; Jones, Robert P.; Girod, Fleet T. & Campbell, Ivor E.
Object Type:
Report
System:
The UNT Digital Library
Grain Refinement of the As-Cast Uranium-5 w/o Chromium Alloy by Ternary Additions
Abstract: "Refinement of grain size of the base uranium-chromium eutectic alloy (uranium-5 w/o chromium) by ternary additions is discussed. Thirteen additions to the base alloy were investigated, and three additions were found to exhibit worthwhile grain-refinement tendencies. The three alloys, uranium-5 w/o chromium-0.2 w.o molybdenum, uranium-5 w/o chromium-0.2 w/o germanium, and uranium-5 w/o chromium-0.2 w/o niobium, were heat treated to produce final grain-size structures of between 0.015 and 0.033 mm."
Date:
July 5, 1955
Creator:
Saller, Henry A.; Dickerson, Ronald F.; Murr, William E. & Bauer, Arthur A.
Object Type:
Report
System:
The UNT Digital Library
Further Studies on Large-Batch Melting of Uranium
The following report focuses on an investigation made to determine if vacuum melting was an absolutely necessary step in the metallurgical process of melting and casting uranium.
Date:
July 11, 1955
Creator:
Rengstorff, George W. & Lownie, Harold W., Jr.
Object Type:
Report
System:
The UNT Digital Library
Plastic Flow During Extrusion of Tubing
Abstract: "A study of plastic flow during the extrusion of tubing was made by extruding colored Plasticine billets in a small-scale extrusion press. Decreasing the included angle of the conical die and tapering the ram end of the billet decreased the amount of coextrusion of the backer block into the tubing, lubricating the billet also decreased coextrusion."
Date:
July 26, 1955
Creator:
Saller, Henry A.; Keeler, John R. & Cuddy, Lee J.
Object Type:
Report
System:
The UNT Digital Library
Dissolution of Aluminum-Canned Thorium
The following report studies the dissolution of aluminum-canned thorium, providing results that suggest a dissolution cycle that permits the separation of the canned-slug components.
Date:
July 26, 1955
Creator:
Beach, John G.; Schickner, William C. & Faust, Charles L.
Object Type:
Report
System:
The UNT Digital Library
Alpha-Decay Studies in the Heavy Element Region
Thesis describing a research conducted to extend observations on nuclear energy levels and how they effect the nucleus itself, and an investigation on the gamma rays associated for the even-even isotopes and to obtain additional data for the oddmass neclei in the hope that more regularities will become apparent for that class of nuclides.
Date:
July 3, 1956
Creator:
Hummel, John Philip
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Linear Pinch Work in Berkeley
The following report discusses the data of the Z-field pick-up loop, an effective diagnostic tool introduced to help experiments with the linear pinch.
Date:
July 1956
Creator:
Anderson, O. A. & Baker, W. R.
Object Type:
Report
System:
The UNT Digital Library
Nuclear Interactions of Antiprotons (Thesis)
This report follows the studies on the interactions of antiproton with ordinary matter.
Date:
July 15, 1957
Creator:
Keller, Donald Verne
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Fission and Spallation Competition in Ra²²⁶, Th²³⁰, U²³⁵, and Np²³⁷
This report follows the radiochemical study of fission and spallation products produced by bombardment of U-235 with 18- to 16-Mev helium ions and of the spallation products produced by 8- to 23-Mev deuteron bombardments of Np-237.
Date:
July 1957
Creator:
Vandenbosch, Robert
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Nuclear Decay Schemes in the Actinium Family
Abstract: "With magnetic alpha-particle and electron high-resolution spectrographs and scintillation gamma-ray spectrometers, a study was made of the nuclear decay of a number of members of the actinium family - U-235, Th-227, Ra-223, Em-219, Po-215, and Bi-211. Decay schemes are presented for each of these nuclides, together with such correlations as are possible with present theoretical nuclear models. The decay scheme of U-235 and a portion of that of Th-227 are interpretable in terms of the collective model and a spherical shell-model characteristics; however, the intermediate nuclides present complexities not well understood."
Date:
July 1957
Creator:
Pilger, Richard Christian, Jr.
Object Type:
Report
System:
The UNT Digital Library