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Bulk self-diffusion in single crystal alpha hafnium-2.1% zirconium

Creator:: Davis, Bernard Eric, 1937-
Resource Type:: Dissertation
Full Text:: ) METALLURGICAL ENGINEERING in (MATERIALS SCIENCE) (Major) presented on p ic(10 (Date) Title: BULK SELF

Creep of tungsten dispersion strengthened by ZrO₂

Creator:: Blickensderfer, Robert
Abstract:: Tungsten alloys containing approximately 0.75 and 2.3 vol pct Zr0₂ were prepared by powder metallurgical methods from blends of commercial tungsten powder and ZrW₂ powder. A heat treatment of the extruded rods at 1800°C was found to produce a stable structure with a dispersion of Zr0₂ particles in the tungsten...
Resource Type:: Dissertation
Full Text:: for the DOCTOR OF PHILOSOPHY (Name) (Degree) in METALLURGICAL ENGINEERING (MATERIALS SCIENCE

Low temperature deformation characteristics of high purity zirconium single crystals

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:: Philosophy (Name) (Degree) in Metallurgical Engineering presented on Title: Oci. /9 (Major) (Date) LOW

Deformation mechanism of polycrystalline and monocrystalline high purity vanadium at low temperatures

Creator:: Wang, Chun T.
Abstract:: High purity vanadium, both in the polycrystalline and monocrystalline form, was strained in tension in order to study the controlling deformation mechanism at temperatures between 77 and 293°K. The temperature and strain rate dependence of the flow stress for two grades of material, 99.99% and 99.93%, was evaluated using temperature...
Resource Type:: Dissertation
Full Text:: Doctor of Philosophy (Name) (Degree) in METALLURGICAL ENGINEERING presented on /talus-I-1.0600 (Major

The determination and characterization of preferred orientation and the elastic anisotropy of rolled copper sheet

Creator:: Wilson, Dale
Abstract:: Relatively simple methods are developed for obtaining discreet orientation characterization of preferred orientation from x-ray diffraction-determined pole figure data. It is demonstrated how this information, along with the single crystal elastic constants, can be used to calculate Young's modulus as a function of sheet direction. Computer programs are developed for...
Resource Type:: Dissertation
Full Text:: the DOCTOR OF PHILOSOPHY (Name) (Degree) in Metallurgical Engineering presented on (Major) ate) r

A numerical model for predicting energy dispersion in thermal plumes issuing from large, vertical outfalls in shallow coastal water

Creator:: Trent, Donald S.
Abstract:: A theoretical study of the heat and momentum transfer resulting from a flow of power plant condenser effluent discharged vertically to shallow, quiescent coastal receiving water is presented. The complete partial differential equations governing steady, incompressible, turbulent flow driven by both initial momentum and buoyancy are solved using finite-difference techniques...
Resource Type:: Dissertation
Full Text:: OF Donald Stephen Trent for the Ph.D. in Mechanical Engineering (Name) (Degree) (Majoil Date

Experimental investigation of natural convection of mercury in an open, uniformly heated, vertical channel

Creator:: Colwell, Robert G.
Abstract:: An experimental investigation was conducted to determine characteristics of natural convection of mercury in a vertical channel, which was open at both ends. Two cases were investigated separately: 1) both walls uniformly and symmetrically heated, and 2) one wall heated with the other insulated. Heat transfer correlations in laminar flow...
Resource Type:: Dissertation
Full Text:: Colwell for the degree Doctor of Philosophy (Name) (Degree) Mechanical and in Metallurgical Engineering

Optimization of staged rankine energy conversion cycles for high efficiency

Creator:: Simmons, Larry Dean
Abstract:: Because of the fuel crisis and problems associated with thermal pollution there is new impetus and urgency for developing more efficient energy conversion systems for power generation. A preliminary analysis was undertaken to determine the potential of staged Rankine cycle systems for substantially higher efficiency. It was necessary to optimize...
Resource Type:: Dissertation
Full Text:: major Redacted for privacy Head of Depa tment of Mechanicall and Metallurgical Engineering Redacted

A re-examination of the Ti-TiN phase system

Creator:: Wood, F. W. (Floyd William), 1926-
Resource Type:: Dissertation
Full Text:: 157717ssor Engineering Redacted for privacy Head 9 Department of Meichanical and Met liurgical Engineering

Transient heat and mass transfer in soils in the vicinity of heated porous pipes

Creator:: Slegel, David L.
Abstract:: Differential equations governing the combined heat and mass transfer in soils are developed. Transient heat, liquid and vapor transfer with phase change is considered. The liquid transfer is treated as a function of the hydraulic conductivity and the gradient of suction potential. The suction potential is considered a function of...
Resource Type:: Dissertation
Full Text:: PHILOSOPHY (Name) (Degree) Mechanical and in Metallurgical Engineering presented on July 12, 1974 (Major

ScholarsArchive@OSU

Bulk self-diffusion in single crystal alpha hafnium-2.1% zirconium

Creep of tungsten dispersion strengthened by ZrO₂

Low temperature deformation characteristics of high purity zirconium single crystals

Deformation mechanism of polycrystalline and monocrystalline high purity vanadium at low temperatures

The determination and characterization of preferred orientation and the elastic anisotropy of rolled copper sheet

A numerical model for predicting energy dispersion in thermal plumes issuing from large, vertical outfalls in shallow coastal water

Experimental investigation of natural convection of mercury in an open, uniformly heated, vertical channel

Optimization of staged rankine energy conversion cycles for high efficiency

A re-examination of the Ti-TiN phase system

Transient heat and mass transfer in soils in the vicinity of heated porous pipes

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