Browsing Auburn Theses and Dissertations by Department "Materials Engineering"
Now showing items 61-80 of 142
Exploration of 3D Phage-Based Biomolecular Filter for Filtration of Foodborne Pathogens in Large Volume of Liquid Streams
(2020-07-16)
A three-dimensional phage-based biomolecular filter (3D filter) was designed and developed to capture, concentrate, and isolate foodborne pathogens from large volume of liquid streams with high throughput, such as liquid ...
Exploration of the Origin of Substrate Effects and Elastic Strain Properties during Thin Film Nanoindentation
(2009-11-18)
In this study, the main goal was to investigate the true origin of an influence of substrate effects during nanoindentation of thin films. The work examined the proper relation between the elastic strain intensities in the ...
Explosive Spin Compaction of Ceramic Nanoparticles
(2017-11-27)
A new technique for explosive compaction was introduced known as explosive spin compaction. Neodymium iron boron and Barium Titanate were studied before and after spin explosive compaction using SEM, XRD and vibrating ...
Fabrication and Characterization of Blends of P(VDF-CTFE) 91/9 and PMMA
(2019-04-16)
Transparent and flexible polymer blends with a uniform thickness of films about 8 microns were successfully and simply fabricated by a spin-coating method. PMMA polymer and P(VDF-CTFE) 91/9 mol. % (VC91) copolymer were ...
Fabrication of 3-D Nanoscale Structures of Arbitrary Shape by a Single-step E-beam Grayscale Lithographic Process
(2010-04-09)
Three dimensional (3-D) structures are widely utilized and critical to device functionality in many applications, such as PBG (photonic band gap) crystals, DOE's (diffractive optical elements), blazed gratings, MEMS, NEMS ...
Fundamental and Novel Applications of Electrocaloric Effect
(2020-07-23)
The discovery of materials with a giant electrocaloric (EC) coefficient in the last decade triggered the research community to explore the materials with high pyroelectric and electrocaloric coefficient that revived the ...
Fundamental Study and Development of 0-3 Dielectric Composites with High Dielectric Constant
(2013-07-25)
Dielectric composites are promising materials for many applications. Polymer-based 0-3 composites with a high dielectric constant represent an important category of dielectric composites being studied in research.
Different ...
Growth and Characterization of ZnO and PZT Films for Micromachined Acoustic Wave Devices
(2009-05-04)
The ability to detect the presence of low concentrations of harmful substances, such as biomolecular agents, warfare agents, and pathogen cells, in our environment and food chain would greatly advance our safety, provide ...
HfC Structural Foams Synthesized from Polymer Precursors
(2005-12-15)
A study was conducted to investigate a new low cost approach to produce Hafnium Carbide (HfC) structural foams through the thermolysis and pyrolysis of polymer precursors. Hafnium carbide has a melting point of over 3900?C, ...
High Dielectric Constant 0-3 Ceramic-Polymer Composites
(2009-07-28)
0-3 ceramic-polymer composites using both nano-size and micro-size CaCu3Ti4O12 ceramic particles were studied. The micro-size ceramic particles were prepared from the CaCu3Ti4O12 pellets by milling. The CaCu3Ti4O12 ceramics ...
Impact Performance of Polyurea-coated Cementitious Composite Tiles
(2018-10-23)
In this research, I tried to investigate the effect of polyurea coating on improving the impact resistance of concrete. As a synthetic high strength elastomeric coating material, polyurea performed well to protect concrete ...
Influence of Blade Gap Thickness and Recoater Velocity on Powder Layer Quality in Additive Manufacturing
(2020-05-15)
The mechanical properties of components produced by additive manufacturing processes are the result of the powder layer quality. In powder bed fusion, a more uniform powder layer is necessary for the laser to penetrate the ...
Influence of different Heat Treatments on the microstructural Evolution and Microhardness of Laser Powder Bed Fusion manufactured Inconel 625
(2020-07-30)
Laser Powder Bed Fusion is an additive manufacturing technology that allows the production of parts with complex geometries. [8] The high energy focused laser beam that selectively melts the cold powder bed leads to high ...
Influence of Silane Additive Agent on the Polymer-Based Dielectric Material
(2019-04-22)
The dielectric material, a kind of material whose polarization will change with the applied external electric field. With the development of technology, there comes a higher requirement for energy storage material. For the ...
Interactions between SOFC Interconnect Spinel Coating Materials and Chromia
(2012-12-05)
The SOFC technology has been developed toward lower operation temperature in the range of 500C - 800C, which brings wider materials choice for the interconnect. Ferritic stainless steels have been widely used as SOFC ...
Investigation Into The Effect Of Substrate On Pb(Zr0.52Ti0.48)O3 Films
(2011-04-28)
During the past several decades, PZT (Pb(Zr,Ti)O3) thin films were given
extensive attention for their potential as sensors and actuators in microelectromechanical
systems (MEMS) due to their excellent piezoelectric ...
Investigation of binding of Bacteriophage and Staphylococcus aureus using Magnetoelastic Biosensor
(2013-01-03)
Consumption of bacteria-contaminated food products results in illness, hospitalization and even deaths and researchers have been making efforts in finding a way for early detection of pathogenic bacteria, such as Staphylococcus ...
The Investigation of Haliotis Rufescens (Red Abalone): Mesolayer Growth & Mechanical Behavior
(2017-11-30)
Self-assembly is a popular bottom-up process which results in highly-ordered and fine structures in micro- or nano-scale. The special structures produced through the self-assembly are always related to some unique and ...
Investigation of Pile-Up and Delamination of Au Thin Films on Various Substrates and the Behavior of the Films Described by a Discontinuous Elastic Strain Model
(2012-04-17)
A new method of accurately and reliably extracting the actual Young’s modulus of a thin film on a substrate has been developed. The method is referred to as the discontinuous elastic interface transfer model. The method ...
Investigation of the Mechanical Behavior of Freestanding Polycrystalline Gold Films Deposited by Evaporation
(2007-08-15)
The Membrane Deflection Experiment was employed to perform the micro-tensile testing on freestanding polycrystalline gold thin films. Films with varying thickness of 0.25 µm, 0.50 µm and 1.00 µm were deposited on Si ...