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The Injection Casting of Plutonium
Plutonium metal can be injected into cold metal molds to form castings with thin walls. The operation is performed in a vacuum chamber, using an inert gas as the injecting medium. Sound pieces free of gas cavities can be made using either pure or delta-stabilized plutonium. This report describes the equipment and techniques used to cast a typical thin section piece in the form of a 6 in. diameter, 45' cone.
Date:
January 1959
Creator:
Anderson, J. W.
System:
The UNT Digital Library
Uranium Hydrogeochemical and Stream Sediment Reconnaissance of the Durango NTMS Quadrangle, Colorado
From introduction: This report describes work done in the Durango National Topographic Map Series (NTMS) quadrangle, Colorado, by the Los Alamos Scientific Laboratory (LASL) as part of the nationwide Hydrogeochemical and Stream Sediment Reconnaissance (HSSR).
Date:
January 1979
Creator:
Dawson, Helen E. & Weaver, Thomas Adrian
System:
The UNT Digital Library
Purification and Concentration of Solvent Extracted Plutonium by Oxalate Precipitation
This report describes a production scale procedure for purifying and concentrating the plutonium contained in the stripping solution from a tributyl phosphate extraction process. Conclusions from exploratory laboratory tests on the variables effecting the efficiency are included.
Date:
January 1956
Creator:
Maraman, W. J.
System:
The UNT Digital Library
Preparation of Plutonium Sheet by Extrusion
Plutonium sheet of uniform thickness and good surface can be made by the extrusion of a tube which is then split and flattened. This report describes the equipment and the operating conditions for making sheet 0.005 to 0.055 in. thick with areas up to 24 in. square.
Date:
January 17, 1957
Creator:
McNeese, W. D.
System:
The UNT Digital Library
Preliminary Survey of Uranium Metal Exponential Columns
Reflected cylindrical exponential columns of bare and natural uranium were constructed of stacked plates of oralloy (93.4%) and tuballoy. Average concentrations of U235 ranging from 0,72% to 9.18% were investigated. Flux distributions, buckling values, and spectral indices were obtained. The indicated U235 concentration for infinite critical mass is about 5.5%.
Date:
January 1956
Creator:
Neuer, J. J. & Stewart, C. B.
System:
The UNT Digital Library
Uranium Hydrogeochemical and Stream Sediment Pilot Survey of the Estancia Valley, Bernalillo, Santa Fe, San Miguel, and Torrance Counties, New Mexico: Part 1. Text and Data Listings
As part of the LASL portion of the US EROA NURE program, water samples from 534 locations and sediment samples from 2936 locations were taken over a 7770 square kilometers area of the Estancia Valley in 1975 and analyzed for uranium.
Date:
January 1977
Creator:
Olsen, Clayton Edward
System:
The UNT Digital Library
Uranium Hydrogeochemical and Stream Sediment Pilot Survey of the Estancia Valley, Bernalillo, Santa Fe, San Miguel, and Torrance Counties, New Mexico: Part 2. Plates
This is the second part of a report of a uranium hydrogeochemical and stream sediment pilot survey of areas of New Mexico.
Date:
January 1977
Creator:
Olsen, Clayton Edward
System:
The UNT Digital Library
Neutron Emission Probabilities From the Interaction of 14-Mev Neutrons With Be, Ta, Bi, and U238
The spatial and spectral distributions of the neutrons from 14-Mev neutron interactions with Ta, Bi, and U have been obtained using nuclear emulsion detectors in conjunction with a neutron collimator. The space-integrated neutron spectrum has been obtained for Be by means of a sphere experiment.
Date:
January 1957
Creator:
Rosen, Louis, 1918-2009 & Stewart, Leona
System:
The UNT Digital Library