Index Catalog // ScholarsArchive@OSU

Thermal conductivity measurements of amorphous metal thin films via the 3ω method

Creator:: Zhan, Kai
Abstract:: Amorphous multicomponent metals have promising applications in novel electronic devices because of their atomically smooth surface morphology and lack of grain boundaries. It is important to understand the thermal transport properties of amorphous metals and an accurate measurement of their thermal conductivity will be essential for further improvement of device...
Resource Type:: Masters Thesis

The effects of nanoparticle addition on the processing, structure and properties of SiC and AlN

Creator:: Onbattuvelli, Valmikanathan P.
Abstract:: Silicon carbide (SiC) and aluminum nitride (AlN) exhibit a combination of thermal and mechanical properties that are relevant to applications in electronics, aerospace, defense and automotive industries. However, the successful translation of these properties into final applications lies in the net-shaping of these ceramics into fully dense microstructures. Increasing the...
Resource Type:: Dissertation

Synthesis of Plasmonic-Enhanced Metal-Organic Framework Thin Films and their Infrared Sensing Application

Creator:: Ma, Guoheng
Abstract:: Transparent and electrically conductive metal oxide nanoparticles have attracted much attention, and can be used to improve the performance of solar cells, transparent electrode materials, and gas sensor technology. Specifically, indium tin oxide (ITO) nanocrystals (NCs) are potentially useful nanomaterials, having technological applications in enhanced sensitivity of optical spectroscopy due...
Resource Type:: Masters Thesis

Synthesis and characterization of nanoporous alumina films and their application to nanorod array fabrication

Creator:: Abolhassani Monfared, Negar
Abstract:: The purpose of this study is to synthesize and characterize the nanoporous structures that can be obtained by the anodization of thin film aluminum sputter deposited on a silicon wafer substrate. This study also investigated the application of nanoporous alumina to fabricate nanorod arrays by using preceramic polymers. Although there...
Resource Type:: Dissertation

Synthesis and characterization of magnetic composite materials

Creator:: Kimmell, Robert
Abstract:: Iron epoxy composite materials were made and their relative magnetic permeability was measured. A measurement device was created to measure the relative magnetic permeability for the specific application. This device proved to be accurate and reliable. The magnetic properties of composite materials have been shown to be controllable, with a...
Resource Type:: Masters Thesis

Sintering of nanocrystalline silicon carbide in plasma pressure compaction system

Creator:: Bothara, Manish G.
Abstract:: Nanostructured ceramics offer significant improvements in properties over the corresponding materials with grain sizes on the order of tens to hundreds of microns. Silicon carbide (SiC) is an important structural ceramic whose properties can potentially be enhanced due to nanoscale microstructures. It has been suggested that SiC samples with grain...
Resource Type:: Dissertation
Full Text:: . Dongliang, and J. Jiang, “Densification of silicon carbide ceramics by hot isostatic pressing”, Scripta

Preparation and Properties of Porous Carbon Materials

Creator:: Xing, Zhenyu
Abstract:: Porous carbon is indispensable in modern technology applications. It is used for energy storage, gas separation, water purification, catalyst support, and chromatography. The diversity of its applications stems from its unique properties, including high specific surface area, tunable pore volume, and chemical stability. Specifically, the large surface area provides high...
Resource Type:: Dissertation

Non-Stoichiometry in Bismuth Perovskite Solid Solutions

Creator:: Prasertpalichat, Sasiporn
Abstract:: The role of A-site non-stoichiometry was investigated in lead-free piezoelectric ceramics based on compositions in the 1-x(Bi₀.₅Na₀.₅TiO₃)-xBaTiO₃ system near the morphotropic phase boundary where x = 0.055, 0.06 and 0.07. The samples were prepared by a conventional solid state mixed oxide route with the A- site stoichiometry modified to incorporate...
Resource Type:: Dissertation

Non Newtonian viscosity of bulk metallic glass forming liquids and the ordering and shear rate induced crystallization of undercooled Zr₄₁.₂Ti₁₃.₈Cu₁₂.₅Ni₁₀.₀Be₂₂.₅ metallic glass forming melt

Creator:: Wadhwa, Prashant
Abstract:: The influence of shear rate and temperature on the viscosity and fragility of the Zr₄₁.₂Ti₁₃.₈Cu₁₂.₅Ni₁₀.₀Be₂₂.₅ (Vit1) metallic glass forming liquid is measured in the liquid and undercooled liquid state between 907 and 1300 K. The results show a complex rheological behavior of Vit1. The viscosity of Vit1 is about three...
Resource Type:: Dissertation

Nickel nanoparticles-assisted diffusion brazing of stainless steel 316 for microfluidic applications

Creator:: Tiwari, Santosh K.
Abstract:: Transient liquid-phase diffusion brazing is used in precision, hermetic joining applications as a replacement for diffusion bonding to reduce cycle times, reduce bonding pressure and improve yields. Studies showed that the interlayer used in diffusion brazing can be detrimental due to the use of melting point depressants (MPDs). The goal...
Resource Type:: Dissertation
Full Text:: microduplex stainless steel to Ti-6Al-4V,” Scripta Materialia, vol. 45, pp. 441-446. [14] H. Burlet, M

ScholarsArchive@OSU

Thermal conductivity measurements of amorphous metal thin films via the 3ω method

The effects of nanoparticle addition on the processing, structure and properties of SiC and AlN

Synthesis of Plasmonic-Enhanced Metal-Organic Framework Thin Films and their Infrared Sensing Application

Synthesis and characterization of nanoporous alumina films and their application to nanorod array fabrication

Synthesis and characterization of magnetic composite materials

Sintering of nanocrystalline silicon carbide in plasma pressure compaction system

Preparation and Properties of Porous Carbon Materials

Non-Stoichiometry in Bismuth Perovskite Solid Solutions

Non Newtonian viscosity of bulk metallic glass forming liquids and the ordering and shear rate induced crystallization of undercooled Zr₄₁.₂Ti₁₃.₈Cu₁₂.₅Ni₁₀.₀Be₂₂.₅ metallic glass forming melt

Nickel nanoparticles-assisted diffusion brazing of stainless steel 316 for microfluidic applications

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