Search results | J. Murrey Atkins Library

Title: A Novel Fluorescence Based Method of Assessing Subsurface Damage in Optical Materials
Author: Williams, Wesley
Date Created: 2009
Subjects--Topical: Mechanical engineering, Materials science, Optics
Description: Lapping and polishing are loose abrasive finishing processes that have been used to achieve critical surface parameters in optical materials for centuries. These processes remove material from the surface through a variety of mechanical and chemic...

Title: A WATER-SOLUBLE COBALT SULFIDE SUPERATOM FOR FLOW BATTERY APPLICATIONS AND CRYSTALLINE FRAMEWORK SYNTHESIS
Author: Freeman, Matthew
Date Created: 2019
Subjects--Topical: Chemistry
Description: Metal sulfide clusters are attractive components for flow batteries owing to the abundance of their constituent atoms and their tunable size, solubility, and redox properties. We prepared an atomically precise cobalt sulfide cluster, Co6S8(PTA)6•4...

Title: Analysis of failure mechanisms that impact safe Operation of AlGaN/GaN HEMTs
Author: Hodge, Michael
Date Created: 2014
Subjects--Topical: Electrical engineering
Description: The reliability of AlGaN/GaN high electron mobility transistors (HEMTs) is traditionally determined via thermal lifetime acceleration stress tests. More recently it has been proposed that electric field has a prominent role in limiting lifetimes. ...

Title: Areal gear metrology with modified flanks
Author: Ni, Kang
Date Created: 2017
Subjects--Topical: Mechanical engineering
Description: Gears are critical mechanical components in power transmission systems, used across a board spectrum of industries such as automobile, aerospace and renewable energy. Given the advancement of design and manufacture of gears in the past decades, th...

Title: Augmented Reality With Digital Metrology For Assembly
Author: Nawab, Rahma
Date Created: 2022
Subjects--Topical: Optics
Description: This dissertation aims to create and demonstrate a fast and inexpensive quantitative dimensional inspection system for industrial assembly line applications that can detect position errors of assembled components on a scale of 1 mm and larger. The...

Title: Autonomous Sensing of a Gaussian Spatial Process with Multiple Heterogeneous Agents
Author: Brancato, Michael
Date Created: 2022
Subjects--Topical: Mechanical engineering
Description: The performance of a mobile sensor network is measured by its ability to survey regions of interest efficiently and accurately with limited resources. Approaches for sampling trajectory optimization allow for adaptive algorithms that offer signifi...

Title: Bioactive ceramic coating on orthopedic implants for enhanced bone tissue integration
Author: Aniket, .
Date Created: 2012
Subjects--Topical: Materials science, Nanoscience, Biomedical engineering
Description: Tissue integration between bone and orthopedic implant is essential for implant fixation and longevity. An immunological response leads to fibrous encapsulation of metallic implants leading to implant instability and failure. Bioactive ceramics ha...

Title: Blinking Correlation in Nanocrystal Quantum Dots Probed with Novel Laser Scanning Confocal Microscopy Methods
Author: Hefti, Ryan
Date Created: 2013
Subjects--Topical: Nanoscience, Physics
Description: Semiconductor quantum dots have a vast array of applications: as fluorescent labels in biological systems, as physical or chemical sensors, as components in photovoltaic technology, and in display devices. An attribute of nearly every quantum dot ...

Title: CARBON NANOTUBE GROWTH, DISPERSION, AND USE IN NANOELECTROMECHANICAL ACTUATORS
Author: Forney, Michael
Date Created: 2011
Subjects--Topical: Nanoscience
Description: The body of research comprising this dissertation spans the full spectrum of carbon nanotube (CNT) research: growth of CNTs, dispersion of SWNTs, controlled aggregation of SWNTs, and fabrication of CNT-based actuators. CNTs have been grown in our ...

Title: Characterization of the Dynamic Performance of Machine Spindles
Author: Ganguly, Vasishta
Date Created: 2014
Subjects--Topical: Mechanical engineering
Description: Machine spindle dynamics and (axis of rotation) error motions may vary as a function of spindle speed due to gyroscopic effects, changes in bearing preload, centrifugal forces, and thermals effects. It is necessary to characterize these changes in...

Title: Distributed Renewable Energy Technologies:Design and Development of Scalable Transmission Systems
Author: Menon, Shruti Mohandas
Date Created: 2018
Subjects--Topical: Mechanical engineering
Description: Renewable forms of energy are being intensively pursued and investigated in systems connected to the grid as well as in standalone applications. The global energy generation is expected to grow 2.7 times by the year 2035. Today, renewable energy r...

Title: EFFECTS OF GRAIN SIZE ON THE QUASI-STATIC MECHANICAL PROPERTIES OF ULTRAFINE-GRAINED AND NANOCRYSTALLINE TANTALUM
Author: Ligda, Jonathan
Date Created: 2013
Subjects--Topical: Materials science, Nanoscience
Description: The increase in strength due to the Hall-Petch effect, reduced strain hardening capacity, a reduced ductility, and changes in deformation mechanisms are all effects of reducing grain size (d) into the ultrafine-grained (UFG, 100 < d < 1000 nm) and...

Title: Exploring The Self Assembly of Cadmium Selenide Nanoparticles In Langmuir Films
Author: Giles, Alexander
Date Created: 2013
Subjects--Topical: Materials science, Nanoscience, Physics
Description: The assembly of semiconductor nanocrystals into close packed films suitable for device engineering is critical to the development of next generation electronic and optoelectronic devices. These nanocrystals have nanometer dimensions and can be pre...

Title: FINITE ELEMENT ANALYSIS OF VORTEX MACHINING PROBES
Author: Vaidya, Mandar
Date Created: 2014
Subjects--Topical: Mechanical engineering
Description: Vortex machining is a unique localized material removal process in which footprints of several nanometer in depth are obtained. It employs a resonating quartz tuning fork and a fiber attached on its upper tine. When submerged in a layer of slurry,...

Title: GENERATION AND CHARACTERIZATION OF FIREBRANDS FROM SELECTED STRUCTURAL FUELS
Author: Hedayati, Faraz
Date Created: 2018
Subjects--Topical: Mechanical engineering
Description: Spotting by firebrands is the only mechanism that is capable of initiating fires miles from a fire line. The firebrand phenomenon can be understood in three major sequential phases: production, transportation, and ignition of the recipient fuel. A...

Title: Index-antiguided planar waveguide lasers with large mode area
Author: Liu, Yuanye
Date Created: 2017
Subjects--Topical: Optics, Physics
Description: The on-going research and application interests with high power large-mode-area (LMA) waveguide lasers, especially in fiber geometry, at the beginning of this century drive the development of many novel waveguide designs. Index antiguiding, propos...

Title: Mechanical Characterization of Boron-Based One-Dimensional Nanostructures by Various Techniques
Author: Jiang, Youfei
Date Created: 2015
Subjects--Topical: Mechanical engineering, Materials science, Nanoscience
Description: One-dimensional (1D) nanostructures, such as nanotubes, nanowires and nanobelts, have attracted considerable interests in the last two decades because of their exceptional physical, chemical, and electrical properties. Engineering applications of ...

Title: Microspherical photonics: Giant resonant light forces, spectrally resolved optical manipulation, and coupled modes of microcavity arrays
Author: Li, Yangcheng
Date Created: 2015
Subjects--Topical: Optics, Physics
Description: Microspherical photonics emerged in recent years in the context of fundamentally new optical properties of structures formed by coupled dielectric microspheres. These include coupling between whispering gallery modes (WGMs), photonic nanojets, nan...

Title: On Accelerating Road Vehicle Aerodynamics
Author: Peters, Brett
Date Created: 2018
Subjects--Topical: Mechanical engineering, Aerospace engineering, Fluid mechanics
Description: Road vehicle aerodynamics are primarily focused on developing and modeling performance at steady-state conditions, although this does not fully encompass the entire operating envelope. Considerable vehicle acceleration and deceleration occurs duri...

Title: Optically Projected Length Scale for Use in Photogrammetry
Author: Thewlis, Patrick
Date Created: 2020
Subjects--Topical: Optics, Physics
Description: Photogrammetry is a measurement technique where 3D coordinate data and feature information can be extracted from 2D photographs or images. Length scale objects are calibrated artifacts placed into a photogrammetry scene which have precisely define...