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Creator:: Dooley, George Joseph, III
Abstract:: Solid solution alloying was employed in an attempt to produce some relatively ductile form of beryllium. If the c/a ratio could be significantly altered, it was felt new or different slip systems could be activated. The following elements were selected on the basis of atomic size, melting point, crystal structure...
Resource Type:: Dissertation
Full Text:: Abstract approved: William D. McMullen Solid solution alloying was employed in an attempt to produce

Creator:: Kelley, John E.
Abstract:: A method for measuring the spark-shower radiance of metals when abraded on an abrasive grinding wheel was developed for evaluating their sparking tendency. One hundred metals were tested and rated relative to commercially pure iron. The radiance was measured in units of energy per solid angle per area of the...
Resource Type:: Masters Thesis
Full Text:: the helpful advice of Dr. William D. McMullen, Dr. Roger D. 011eman, and Professor Olaf G. Paasche

Creator:: Davis, Bernard Eric, 1937-
Resource Type:: Dissertation
Full Text:: . William D. McMullen Coefficients for the diffusion of Hf 181 (43 day half-life, main gamma peak at 482

Creator:: Goodrich, David George
Abstract:: High purity single crystals of zirconium were produced and mechanically strained in the temperature range from 4.2°K to 293°K. The crystals were produced by thermal treatment with a specially constructed electron beam zone refiner which provided the abrupt temperature gradient necessary for crystal growth. Specimens were electrolytically machined to have...
Resource Type:: Dissertation
Full Text:: for Privacy William Dale McMullen, Ph. D. High purity single crystals of zirconium were produced and

Creator:: Findley, Lee Gordon
Abstract:: The erratic behavior of the room temperature yield strength of high purity commercial tantalum sheet was studied. Critical factors in the production process were postulated and then investigated to determine their effects on strength properties. Chemical composition was found to be the most important factor contributing to the strength; thermomechanical...
Resource Type:: Masters Thesis
Full Text:: TANTALUM SHEET Abstract approved: Redacted for Privacy Dr. William D. McMullen The erratic behavior of

Creator:: Sokaski, Michael
Abstract:: First order prism slip in yttrium single crystals containing a total interstitial impurity content of about 200 wt ppm is almost entirely stage II deformation with a work hardening rate θ/μ of 2·10⁻ ³ . The athermal temperature is about 300°K. Below this temperature an interstitial mechanism is rate controlling...
Resource Type:: Dissertation
Full Text:: Redacted for Privacy Abstract approved: (Signature) Prof. William D. McMullen First order prism slip in

Creator:: York, James Michael
Abstract:: Samples of commercial purity titanium were heat treated above the beta transformation temperature and within the two phase alpha-beta phase field, followed by cooling at varying rates. Testing of the samples in tension and by instrumented impact indicated that some strengthening could be imparted by these heat treatments, although at...
Resource Type:: Masters Thesis
Full Text:: privacy William D. McMullen Samples of commercial purity titanium were heat treated above the beta

Creator:: Corder, Stanley E.
Abstract:: Indentation hardness tests were made on sections of 211 pieces of Douglas fir and 208 pieces of Western hemlock at a moisture content of about 11 percent. Specific gravity and visual-density evaluations were also determined. Correlation coefficients for linear regression of density, as measured by specific gravity, on average standard...
Resource Type:: Masters Thesis
Full Text:: approved William D. McMullen Indentation hardness tests were made on sections of 211 pieces of Douglas

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