Index Catalog // ScholarsArchive@OSU

Quasicrystal Formation, Structure and Indentation Behaviors in Pure Tantalum

Creator:: Wang, Zhengming
Abstract:: Spontaneous quasicrystal (QC) formation has not been observed in pure metals either in computation or in experiments (excluding epitaxial growth of thin atomic layers on a QC template). In this thesis work, dodecagonal QC (DDQC) grains are first discovered to spontaneously form during thermal devitrification of pure tantalum (Ta) metallic...
Resource Type:: Masters Thesis
Full Text:: 2.1.6c-d. Selected area diffraction patterns of Al65Cu15Co20 alloy …………………... 8 2.1.7. Electron

Development of Practical Accelerated Testing Protocols for the Performance Evaluation of Concrete against Microbially Induced Corrosion of Concrete

Creator:: Erbektas, Ali Riza
Abstract:: Sustainable wastewater infrastructure systems are vital for civilizations to protect public health. Most of the structural elements of wastewater infrastructure are constructed using concrete owing to its versatility, low cost, and durability. Concrete structures that are exposed to wastewater can experience Microbially Induced Corrosion of Concrete (MICC), which is a...
Resource Type:: Masters Thesis
Full Text:: and Dr. Julie Tucker, for taking their time to review my thesis. Special thanks to Dr. Christine

Assessing durability of reinforced concrete and ductile iron

Creator:: Shields, Silas A.
Abstract:: The first goal of this master’s thesis was to investigate the linkage between a non-destructive testing method, surface resistivity, and premature concrete deterioration brought on by chloride ingress and or freeze-thaw cycling. The experimental method for this project consists of taking surface resistivity measurements of reinforced concrete slabs after they...
Resource Type:: Masters Thesis
Full Text:: my committee members, Dr. Jason H. Ideker, O. Burkan Isgor, Dr. Andre Barbosa, and Dr. Julie Tucker

Delay Performance Evaluation of the IEC 61850 Standard in Power Transmission Substations

Creator:: Safdar, Salman
Abstract:: Substations are a crucial element at the transmission and distribution level of electric power systems. The primary substation equipment (power transformers and high voltage switching equipment) is used to transfer and transform electric energy by stepping up or down the voltage in transmission substations. Secondary equipment (such as IEDs, Intelligent...
Resource Type:: Masters Thesis

Evaluation of Materials for Use in Open-Cycle Magnetohydrodynamic Power Generation

Creator:: Bowen, Michael S.
Abstract:: Recent interest in oxy-fuel combustion for carbon capture, as well as advancements in technologies such as magnetics, materials, and computational modeling has sparked renewed interest in magnetohydrodynamic (MHD) power generation. The increased temperatures of oxy-fuel combustion versus air-fuel combustion poses a challenge in the selection of materials for plasma exposed...
Resource Type:: Masters Thesis

Design, Fabrication, and Evaluation of a Novel High-Performance Resistance Heater Rod for Nuclear Thermal Hydraulic Experimentation

Creator:: Sharaf, Salem A.
Abstract:: The Accident Tolerant Fuels campaign demonstrated a need for nuclear fuel pin simulators to further research fuel and cladding combinations that can withstand off normal conditions in light water reactors. The use of a heater rod as a fuel pin simulator greatly reduces the risk involved during testing as no...
Resource Type:: Masters Thesis

A Numerical Investigation of the Bearing Capacity of Shallow Foundations on Salt-Encrusted Flat Sabkha

Creator:: Refaei, Raied
Abstract:: Salt-encrusted flats, or Sabkha, are common in arid and semi-arid regions worldwide, including coastal and inland areas. Due to their low shear strength and high compressibility, these soils are often unsuitable for supporting infrastructure or structures. The unique salt content of sabkha formations sets them apart from other soil types....
Resource Type:: Masters Thesis
Full Text:: = wet (distilled water), c= wet (Sabkha Brine) d= wet (methylene chloride

Methods for strengthening flexural steel details in reinforced concrete bridge girders using a near-surface mounted retrofitting technique

Creator:: Amneus, Deanna
Abstract:: Many older reinforced concrete deck girder (RCDG) bridges contain straight bar terminations of flexural reinforcement. Common bridge design practice of the 1950s did not consider the additional demands on the terminated bars from shear and flexure. Moreover, more stringent code specifications and heavier permit trucks contribute to the insufficient ratings...
Resource Type:: Masters Thesis
Full Text:: appreciative of the feedback provided by my committee members Dr. Tucker, Dr. Miller, and Dr. Ideker

Cost-Benefit Evaluation of Energy-Efficient Building Strategies in Single-Family Affordable Housing

Creator:: Iliff, Helen M.
Abstract:: The goal of this thesis is to ease the adoption of energy-efficient (EE) building strategies for affordable homes in the United States (US). Low-wage earning households spend nearly three times the proportion of their gross annual income on home energy bills resulting in higher energy burden for them when compared...
Resource Type:: Masters Thesis

Investigating rotating microelectrodes for rapid in situ detection of oxygen

Creator:: Chace, Peter J.
Abstract:: Rotating disc electrodes (RDEs) exploit the induced flushing of a radially spun electrode to increase the overall rate of analyte flux to an electrode sensing surface and its resulting signal current (i). Here initial efforts to evaluate a rotating platinum (Pt) microelectrode for efficacy as a rapid in situ dissolved...
Resource Type:: Masters Thesis
Full Text:: would also like to thank my committee members, Drs. Burke Hales, Jonathan Fram and grad rep Julie

ScholarsArchive@OSU

Quasicrystal Formation, Structure and Indentation Behaviors in Pure Tantalum

Development of Practical Accelerated Testing Protocols for the Performance Evaluation of Concrete against Microbially Induced Corrosion of Concrete

Assessing durability of reinforced concrete and ductile iron

Delay Performance Evaluation of the IEC 61850 Standard in Power Transmission Substations

Evaluation of Materials for Use in Open-Cycle Magnetohydrodynamic Power Generation

Design, Fabrication, and Evaluation of a Novel High-Performance Resistance Heater Rod for Nuclear Thermal Hydraulic Experimentation

A Numerical Investigation of the Bearing Capacity of Shallow Foundations on Salt-Encrusted Flat Sabkha

Methods for strengthening flexural steel details in reinforced concrete bridge girders using a near-surface mounted retrofitting technique

Cost-Benefit Evaluation of Energy-Efficient Building Strategies in Single-Family Affordable Housing

Investigating rotating microelectrodes for rapid in situ detection of oxygen

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