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The Constitution Diagram of Uranium-Rich Uranium-Molybdenum Alloys
The colybdenum-uranium equilibrium diagram has been studied, and the results are presented up to 50 atomic per cent molybdenum. Additions of molybdenum raise the melting point of uranium, forming a peritectic at about 1285 C. The solubility of molybdenum in gamma uranium is extensive. It decreases from 42 atomic per cent at the peritect temperature to 30 per cent at lower temperatures. Allots of about 28 to 30 per cent molybdenum content have been found to contain a metastable gamma. It can be transformed by cold work and prolonged annealing at temperatures below 575 to 600 C. X-ray diffraction studies of the transition product in epsilon phase indicate tht it has a tetragonal structure. The beta-uranium region is lowered by molybdenum additions to produce a eutectoid transformation at 658 ± 5 C. The maximum beta solubility is about 1.0 atomic per cent molybdenum. The alpha-uranium solubility is less than in the beta region, or about 0.5 per cent molybdenum at 600 C.
Date:
June 1, 1951
Creator:
Saller, H. A.; Rough, F. A. & Vaughan, D. A.
System:
The UNT Digital Library
REPORT FOR GENERAL RESEARCH JULY 30, 1951, TO OCTOBER 29, 1951
None
Date:
December 1, 1951
Creator:
Haring, M.M. Director
System:
The UNT Digital Library
Grain Size Chart of Uranium
None
Date:
June 1, 1951
Creator:
Saller, H. A.; Dickerson, R. F. & Lind, G. E.
System:
The UNT Digital Library
SCRAP RECOVERY AT VITRO MANUFACTURING COMPANY CANONSBURG, PENNSYLVANIA
A process is presented for recovering U/sub 3/O/sub 8/ from scrap residues varying in content from 2 to 85% U/sub 2/O/sub 8/ to yield a high-purity (99% U/sub 3/O/sub 8/) black oxide. (W.L.H.)
Date:
March 1, 1951
Creator:
Vives, D.L.
System:
The UNT Digital Library
Development Activities in the Health Physics Division. Semiannual Progress Report for the Period Ending December 31, 1950
None
Date:
January 1, 1951
Creator:
Bouton, R. Z.; Houston, R. W. & Van der Grinten, W.
System:
The UNT Digital Library
EXPLOSIVE CHARACTERISTICS OF TITANIUM, ZIRCONIUM, THORIUM, URANIUM AND THEIR HYDRIDES
None
Date:
December 1, 1951
Creator:
Hartmann, I.; Nagy, J. & Jacobson, M.
System:
The UNT Digital Library
Jacketing of Uranium for High-Temperature Service. II. Barrier Coat Materials
None
Date:
June 1, 1951
Creator:
Saller, H. A. & Stacy, J. T.
System:
The UNT Digital Library
X-Ray and Electron Radiography of Thin Specimens
None
Date:
October 1, 1951
Creator:
Berman, A. I. & Dutli, J. W.
System:
The UNT Digital Library
The Valve-Actuated Pulse Column Design and Operation
A countercurrent extraction column is described which employs timed solenoid valves and pressurized feeds to provide a pulsing action to disperse the phases. The steps in the pulsing cycle are independent and thus provide greater separation of the operating variables than is possible with conventional pulse columns. The column described is particularly useful as a resesrch tool for the study of extraction mechanism although a larger installation operating on the same principles should be quite workable. The 4-stage-cycle or mixersettler type column operation has an inherent advantage in that the rapid coalescence and redispersion of phases are believed to lead to greater extraction than simple movement of a dispersed phase through a continuous medium. In addition, the sharp pulse provided should produce greater turbulence than the more conventional pulsing arrangement. Some results of operation on the extraction and stripping of uranyl nitrate using tributyl phosphate as a solvent are included. These data correspond to Metal Recovery and Erex type systems. (auth)
Date:
December 1, 1951
Creator:
Burger, L. L. & Clark, L. H.
System:
The UNT Digital Library
PROGRESS REPORT FOR MARCH, 1951
None
Date:
April 1, 1951
Creator:
Pinkston, J. T. & Willson, K. S.
System:
The UNT Digital Library
Materials Testing Reactor Project Handbook
None
Date:
May 1, 1951
Creator:
Buck, J. H. & Leyse, C. F.
System:
The UNT Digital Library
METALLURGY OF THORIUM AND THORIUM ALLOYS. Interim Report for July 1, 1949 to July 1, 1951
None
Date:
December 1, 1951
Creator:
Hamby, D.E.
System:
The UNT Digital Library
TEMPERATURE AND STRESS DISTRIBUTION IN SPHERES, RODS, TUBES, AND PLATES IN WHICH THE HEAT SOURCE IS WITHIN THE BOUNDARIES OF THE SOLIDS
None
Date:
September 1, 1951
Creator:
Carter, J.C.
System:
The UNT Digital Library
Life Test of Liquid Metal Lubricated Thrust Bearing
None
Date:
May 1, 1951
Creator:
Vail, D. B.
System:
The UNT Digital Library
THE TRANSFER OF IMPURITIES IN ZIRCONIUM PREPARED BY THE DE BOER PROCESS
None
Date:
March 1, 1951
Creator:
Bulkowski, H.H.; Beale, L.C.; Sebenick, J.J.; Campbell, I.E. & Gonser, B.W.
System:
The UNT Digital Library
A REVIEW OF THE RELATIVE MERITS OF PACKED COLUMNS, PULSE COLUMNS, MIXER- SETTLER MECHANISMS, AND CENTRIFUGAL CONTRACTORS
None
Date:
January 1, 1951
Creator:
Jealous, A.C. & Stewart, E.C.
System:
The UNT Digital Library
The Behavior of Graphite Under Alternating Stress
This report is based on studies conducted for the Atomic Energy Commission.
Date:
May 1, 1951
Creator:
Green, L.
System:
The UNT Digital Library
NUCLEAR SHELL STRUCTURE AND $beta$-DECAY I. ODD A NUCLEI II. EVEN A NUCLEI
A systematics is given of all transitions for odd A nuclei for which sufficiently reliable data are available. The allowed or forbidden characters of the transitions are correlated with the positions of the initial and final odd nucleon groups in the nuclear shell scheme. The nuclear shells show definite characteristics with respect to parity of the ground states. The latter is the same as the one obtained from known spins and magnetic moments in a one-particle interpretation.
Date:
May 1, 1951
Creator:
Mayer, M.G.; Moszkowski, S.A. & Nordheim, L.W.
System:
The UNT Digital Library
PRELIMINARY STUDY OF A URANIUM-BISMUTH LIQUID FUEL POWER REACTOR LFR-2
None
Date:
June 1, 1951
Creator:
Gurinsky, D.H.; Kaplan, I.; Miles, F.T.; Williams, C. & Winsche, W.E.
System:
The UNT Digital Library
ENGINEERING PROPERTIES OF HIGH-DENSITY CONCRETES
None
Date:
May 1, 1951
Creator:
Snyder, M.J.; Burkart, C.A. & Clegg, J.W.
System:
The UNT Digital Library
A PRELIMINARY FIELD SURVEY OF AIR CLEANING ACTIVITIES AT ATOMIC ENERGY COMMISSION FACILITIES, SEPTEMBER-NOVEMBER 1950
None
Date:
February 1, 1951
Creator:
Rossano, A.T. Jr.; Silverman, L. & First, M.W.
System:
The UNT Digital Library
DISSOCIATION PRESSURES OF URANIUM HYDRIDE AND URANIUM TRITIDE
None
Date:
January 1, 1951
Creator:
Flotow, H. E. & Abraham, B. M.
System:
The UNT Digital Library
THE EFFECT OF ATOMIC WEAPONS ON GLAZING AND WINDOW CONSTRUCTION. ANNEX 3.5 OF SCIENTIFIC DIRECTOR'S REPORT OF ATOMIC WEAPON TESTS AT ENIWETOK, 1951. OPERATION GREENHOUSE
None
Date:
August 1, 1951
Creator:
Clark, W.C.
System:
The UNT Digital Library
Grain Refinement of Uranium By Alloying
Binary alloys of uranium with 38 elements in the range 0.01 to 1.0 at.% were made. Three alloys havirg nominal compositions of 0.01, 0.1, and 1.0 at.% were made with most of the elements, and in addition, 12 ternary and quaternary alloys were made. The alloys were cast, rolled to 7/8-inch-diameter bars, heat treated, and examined for grain size. (auth)
Date:
June 1, 1951
Creator:
Saller, H. A.; Keeler, J. R. & Eddy, N. S.
System:
The UNT Digital Library