Browsing Department of Materials Science and Engineering by Title
Now showing items 76-95 of 195
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INVESTIGATION OF HIGH-TEMPERATURE OXIDATION RESISTANCE MECHANISM OF CERAMIC COATINGS VIA MICROSTRUCTURE ANALYSIS
(2020-09-03)Recent developments of ceramic coatings deposited using magnetron reactive sputtering show that these films exhibited superior high-temperature oxidation resistance along with other desirable properties such as high hardness, ... -
Investigation of Microstructure Effects on Hardness and Oxidation Resistance of New Generation Ceramic Coatings
(2017-08-16)This work was motivated by the demand for a new generation of materials capable for harsh environment applications, and focused on developing a better understanding of the effects of elemental composition and microstructure ... -
INVESTIGATION OF SURFACE CONTAMINATION IN A Cu-BASED Al ALLOY OCCURRING DURING TEM SAMPLE PREPARATION
(2018-08-17)This thesis investigates the nature of surface contamination originating from the jet-polishing process on Cu-6 wt% Al TEM disks. During previous TEM imaging and diffraction analysis performed by our group, surface ... -
INVESTIGATION OF THE PLASMA ELECTROLYTIC OXIDATION MECHANISM OF TITANIUM
Plasma electrolytic oxidation (PEO) is an environmentally friendly technology capable of forming coatings with excellent adhesion strength at high deposition rates. The PEO process is particularly attractive for forming ... -
INVESTIGATION OF THE PROCESSING-STRUCTURE-PROPERTY RELATIONSHIP IN Ta-Si-N NANOCOMPOSITE COATINGS
(2018-05-23)The present-day industry demands development of coatings for harsh environmental applications which can resist impact and oxidation at high temperatures. It is vitally important to develop new hard (>30 GPa) protective ... -
INVESTIGATION OF THE SURFACE TOPOLOGY CHANGES ASSOCIATED WITH FATIGUE
(2019-05-17)Metals have long been known to change their surface topology when subjected to a plastic strain. Given that a plastic zone exists at the tip of a propagating crack, it would seem natural to quantitatively study surface ... -
INVESTIGATION OF THERMOPHYSICAL PROPERTIES OF ENHANCED MOLTEN SALT NANOFLUIDS FOR THERMAL ENERGY STORAGE (TES) IN CONCENTRATED SOLAR POWER (CSP) SYSTEMS
(2018-01-16)Concentrated solar power (CSP) technologies have a great economical and technical potential for energy production in future. Its incorporation with thermal energy storage (TES) overcomes one of the biggest challenges in ... -
Investigation On The Mechanism Of Interface Electromigration (EM) In Copper (Cu) Thin Films
(Materials Science & Engineering, 2007-08-23)This study concerns the mechanism of the interface electromigration (EM) in copper (Cu) thin films. While EM in Cu is one of the most concerned reliability failure phenomena in Cu interconnects used microelectronic devices, ... -
Investigation On Thermo-mechanical Instability Of Porous Low Dielectric Constant Materials
(Materials Science & Engineering, 2013-03-20)This study investigates the structural stability of porous low dielectric constant materials (PLK) under thermal and mechanical load and the influence of contributing factors including porosity as intrinsic factor and ... -
Magnetic-plasmonic Multilayered Nanorods
(Materials Science & Engineering, 2015)Multilayered nanorods which consist of alternating magnetic layers separated by Au layers combine two distinctive properties, magnetic properties and surface plasmonic resonance (SPR) properties into one nano-entity. Their ... -
Material changes of bone following ishcemia of the immature femoral head
(2015-12-11)Legg-Calvé-Perthes disease (LCPD) is a childhood hip disorder resulting from the loss of blood flow to the femoral head. In severe cases of the disease, the femoral head can develop a flattening deformity; additionally, ... -
Measurement Of The Spectral Distribution Of Low Energy Electrons Emitted As A Result Of NVV Auger Transitions In Ag (100)
(Materials Science & Engineering, 2011-03-03)Auger Photoelectron Coincidence Spectroscopy (APECS) was used to investigate the physics of the Low Energy Tail (LET) of the Auger spectrum of Ag (100) at the National Synchrotron Light Source, Brookhaven National Lab, New ... -
Mechanical Reliability Of Porous Low-k Dielectrics For Advanced Interconnect: Study Of The Instability Mechanisms In Porous Low-k Dielectrics And Their Mediation Through Inert Plasma Induced Re-polymerization Of The Backbone Structure
(Materials Science & Engineering, 2015)Continuous scaling down of critical dimensions in interconnect structures requires the use of ultralow dielectric constant (k) films as interlayer dielectrics to reduce resistance-capacitance delays. Porous carbon-doped ... -
MECHANISM OF WEAR AND TRIBOFILM FORMATION WITH IONIC LIQUIDS AND ASHLESS ANTIWEAR ADDITIVES
(2016-07-26)Increasingly stringent government regulation on emissions (EPA Emissions Standard Reference Guide and latest CAFE standards requiring an average fuel economy of 54.5 mpg (combined cars and trucks) by 2025) impose significant ... -
Mechanism Of Wear Protection Of Al-alloys Using XANES
(Materials Science & Engineering, 2009-09-16)The mechanism of wear protection of Al-Si alloys in wear tests using lubricants containing Zinc dialkyl-dithiophosphate (ZDDP), Dialkyl dithiophosphate (DDP) , Amine phosphates, Thiadiazole, Antimony 0, 0-dialkylphosphorodithioate ... -
METAL NANODENDRITES AND THEIR APPLICATIONS AS 3D SURFACE ENHANCED SCATTERING (SERS) SUBSTRATES
(2021-05-26)Ultrasensitive detection of chemicals and biological analytes has been a focus of a lot of studies in the recent years. In this search for the versatile detection technique, Surface Enhanced Raman Spectroscopy (SERS) has ... -
Micromechanical Analysis Of Yielding For Particulate Filled Composites
(Materials Science & Engineering, 2007-08-23)Particulate filled composites are hybrid materials which consist of particulates held together by a matrix. In this thesis, a simulation method to obtain overall failure criterion for particulate filled composites based ... -
Microstructural Evolution Of Surface Layers During Electrolytic Plasma Processing
(Materials Science & Engineering, 2010-07-19)Electrolytic Plasma Processing is an emerging technology for surface modification. The EPP process is based on electrolysis of an aqueous electrolyte by application of an electrical potential between the workpiece and ... -
Microstructure and properties of hard and optically transparent HfO2 films prepared by high-rate reactive high-power impulse magnetron sputtering
(2016-05-13)Hafnium Dioxide (HfO2) has an extraordinary high bulk modulus, high hardness, high chemical stability, high melting point and high thermal stability. This material can be used as protective coatings for application involving ... -
Morphology And Cathode Optimization For Efficient Polymer Bulk Heterojunction Solar Cells
(Materials Science & Engineering, 2009-09-16)Efficiency of polymer bulk heterojunction solar cell is highly dependent on the active layer morphology and can be controlled by specific experimental conditions. In this work, the influences of P3HT:PCBM blend composition, ...