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The Crystal Structure and Thermal Expansion of Gamma Plutonium
Gamma plutonium is found to be orthorhombic with eight atoms in a unit cell of dimension (1t 235 degree C) [formula]. The calculated density is [formula]. The space group is Fddd and the positions of the eight atoms are: [formula]. Each plutonium atom is bonded to ten others at an aver distance of [formula], four being at [formula], two at [formula] and found at [formula]. The mean linear coefficients of thermal expansion are found to be [formula].
Date:
December 13, 1953
Creator:
Zachariasen, William H. (William Houlder), 1906-1979 & Ellinger, F. H.
System:
The UNT Digital Library
Equation of State of Solids
Data which determine points on the Hugoniot curves of fourteen solids are given in the technical report.
Date:
December 13, 1954
Creator:
Walsh, J. M. & Yarger, F L.
System:
The UNT Digital Library
An Investigation of Scaling of Zirconium at Elevated Temperatures. Quarterly Status Report No. 11, December 2, 1955 to March 2, 1956
This technical report reports progress in the following areas: (1) Effect of scaling time; (2) Influence of specimen shape; (3) Effect of pretreatment; (4) Possible mechanism of growth; and (5) Future work.
Date:
March 13, 1956
Creator:
Barrett, C. A. & Evans, E. B.
System:
The UNT Digital Library
Dynamic B and n-Behavior Up to 7600 Gauss in Magnet Model Mark Ii Comparison of Results With Long and Small Grad Coils
"Magnetic measurements were performance at excitation levels ranging from 4000 to 7600 gauss, to study the dynamic behavior of the magnetic and gradient lengths of the CEA magnet sectors. The influence of the proposed metal vacuum chamber on field and gradient was experimentally determined. Results of measurements made with a 26 in. long grad coil and with small circular grad coils are compared. The reliability of the 26 in. long grad coil is demonstrated."
Date:
August 13, 1957
Creator:
Henri, Victor Philippe & Nysater, H.
System:
The UNT Digital Library
Path of Triple Point for spherical Shocks Above a Rigid Plane
Paths of trip points of Mach reflections produced by 0.5-oz pentolite detonations have been observed for various burst heights. The slopes, Y, at points on the curved path are found to vary from values of Y predicted from plane shock wave data. This discrepancy is attributed to the shock strength conditions at the early inception of the Mach reflection, which later influence the triple point equilibrium, and in lesser degree to radius of curvature effects.
Date:
July 13, 1954
Creator:
Todd, Jay. Jr. & Schellenbaum, Ralph L.
System:
The UNT Digital Library
Specification for Cleaning Metal Components and Systems for Liquid-Metal Cooled Power Reactors
"The degree of cleanliness is defined, and the methods and materials to be used are outlined for carbon and low alloy steels, 300 and 400 series ferritic and austenitic stainless steels, special Ni-Cr base heat-resistant hard-facing and high-temperature brazing alloys, and some non-ferrous materials."
Date:
January 13, 1958
Creator:
Kovac, L.
System:
The UNT Digital Library
Zircex Kinetics And Uranium Loss Study
"A study was made of the effects of temperature, impurities in the hydrogen chloride, flow rates, and niobium content on both the reaction rates and insoluble uranium losses in the Zircex Process is presented."
Date:
November 13, 1957
Creator:
Carter, Jr, T. J. & Stone, R. A.
System:
The UNT Digital Library