Index Catalog // ScholarsArchive@OSU

The effect of small amounts of magnesium on the superplastic behavior of an aluminum-zinc alloy

Creator:: Abbott, Vaughn William
Abstract:: The base Al-Zn superplastic alloy was investigated at 250°C to determine the effect of small amounts of magnesium on mechanical properties. Six alloys of nominal composition 0.00, 0.10, 0.25, 0.50, 0.75, and 1.00 weight percent magnesium, constant 78 weight percent zinc, and variable 21 to 22 weight percent aluminum were...
Resource Type:: Masters Thesis
Full Text:: increase to a maximum as the magnesium content was increased up to about 0.75 percent, then to start

The development of Fe-Cr-C based alloys for high wear and high impact applications

Creator:: Biskey, John Wesley
Abstract:: The structure, hardness, and impact strength of high chromium cast irons was investigated. From the Fe- Cr- C phase diagram, a composition with 74.8 wt% Fe, 21.5 wt% Cr, and 3.7 wt% was selected along the austenite-M₇C₃ eutectic trough. This composition was bracketed by others with slightly different amounts of...
Resource Type:: Masters Thesis
Full Text:: IMPACT APPLICATIONS Abstract approved: Redacted for privacy Olaf G. Paasche The structure, hardness

The use of high roughage pellets in cattle and sheep feeding

Creator:: Petersen, Ray Olaf
Resource Type:: Masters Thesis
Full Text:: feeding THE USE OF HIGH ROIXThAGE PELLETS IN CATELE AND SHE FEEDIÑ by RAY OLAF PETERSEN A THESIS

Dielectric properties of wood treated with copper sulphate

Creator:: Knezevic, Bernd-Olaf Robert
Resource Type:: Masters Thesis
Full Text:: Sulphate by Bernd-Olaf Robert (liarielt) Knezevic A THESIS submitted to Oregon State University in

Studies on carcinogen metabolizing enzymes in the rainbow trout

Creator:: Chen, Shiu-ling
Resource Type:: Masters Thesis
Full Text:: activity was only about 10 pmole/min/mg microsomal protein, a value only one-eighth of that seen in

Some analytical techniques for improving resource allocation in a university system

Creator:: Ghaffari, Ebrahim
Abstract:: Some of the problems concerning the present educational programs which confront the institutions of higher education are, reviewed. Resources allocation is at the root of the issue. Budgeting orientations are presented with special emphasis on Planning Programming Budgeting Systems. PPBS is still in its developmental stage in the field of...
Resource Type:: Masters Thesis
Full Text:: : SOME ANALYTICAL TECHNIQUES FOR IMPROVING RESOURCE ALLOCATION IN A UNIVERSITY SYSTEM Redacted for

Multivariable model for optimizing the percussive welding of aluminum

Creator:: Comstock, James Martin
Abstract:: A multivariable model describing the system response (weld tensile strength of 6061-T6 aluminum) of a percussive stud welding system as a function of five natural (external) system variables was developed. The five natural system variables were 1) static weight of the drop-shaft (W), 2) initial stud base height (H₀), 3)...
Resource Type:: Masters Thesis
Full Text:: THE PERCUSSIVE WELDING OF ALUMINUM Abstract approved (Major Professor) A multivariable model

Effects of gamma radiation on selected single crystals

Creator:: Paige, Rudolph Stanley
Resource Type:: Masters Thesis
Full Text:: ray exposure. The single crystal of NaC1O3 was checked for ionic conductivity as a function of

Using stable isotopes and visual gut examination to determine the diet composition of Pterostichus melanarius (Coleoptera: Carabidae) in western Oregon vegetable row crops

Creator:: Moulton, Laurel A.
Abstract:: The omnivorous ground beetle, Pterostichus melanarius Illager (Coleoptera: Carabidae), is a ubiquitous inhabitant of western Oregon crop land. Because it is often the most abundant ground beetle, and attains densities that could lead to serious impacts on its prey sources, I sought to understand the overall diet composition, and specifically...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Laurel A. Moulton for the degree

Construction of a model organism for performing calcium carbonate precipitation in a porous media reactor

Creator:: Kaufman, Megan J.
Abstract:: Aquifers are an important storage location and source of fresh groundwater. They may become polluted by a number of contaminants including mobile divalent radionuclides such as strontium-90 which is a byproduct of uranium fission. A method for remediating such divalent radionuclides is sequestration through co-precipitation into calcium carbonate. Calcium carbonate...
Resource Type:: Masters Thesis
Full Text:: , Cirpka, and Grathwohl 2006). A coefficient for modeling the mixing process is called ‘hydrodynamic

ScholarsArchive@OSU

The effect of small amounts of magnesium on the superplastic behavior of an aluminum-zinc alloy

The development of Fe-Cr-C based alloys for high wear and high impact applications

The use of high roughage pellets in cattle and sheep feeding

Dielectric properties of wood treated with copper sulphate

Studies on carcinogen metabolizing enzymes in the rainbow trout

Some analytical techniques for improving resource allocation in a university system

Multivariable model for optimizing the percussive welding of aluminum

Effects of gamma radiation on selected single crystals

Using stable isotopes and visual gut examination to determine the diet composition of Pterostichus melanarius (Coleoptera: Carabidae) in western Oregon vegetable row crops

Construction of a model organism for performing calcium carbonate precipitation in a porous media reactor

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