Search results
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Title
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A Novel Fluorescence Based Method of Assessing Subsurface Damage in Optical Materials
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Author
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Williams, Wesley
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Date Created
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2009
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Subjects--Topical
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Mechanical engineering, Materials science, Optics
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Description
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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...
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Title
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Additive manufacturing of PVDF-TrFE piezoelectric and pyroelectric sensors
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Author
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Marandi, Rafi
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Date Created
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2023
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Subjects--Topical
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Mechanical engineering
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Description
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Additive manufacturing, specifically Fused Deposition Modeling (FDM) method, has emerged as a promising technique for rapid prototyping. Using FDM, complex geometries can be created using precise layer by layer deposition of material. Among the ad...
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Title
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Analysis of failure mechanisms that impact safe Operation of AlGaN/GaN HEMTs
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Author
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Hodge, Michael
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Date Created
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2014
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Description
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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. ...
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Title
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Analysis of failure mechanisms that impact safe Operation of AlGaN/GaN HEMTs
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Author
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Hodge, Michael
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Date Created
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2014
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Subjects--Topical
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Electrical engineering
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Description
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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. ...
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Title
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Areal gear metrology with modified flanks
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Author
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Ni, Kang
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Date Created
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2017
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Description
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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...
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Title
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Areal gear metrology with modified flanks
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Author
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Ni, Kang
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Date Created
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2017
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Subjects--Topical
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Mechanical engineering
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Description
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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...
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Title
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Augmented Reality With Digital Metrology For Assembly
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Author
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Nawab, Rahma
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Date Created
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2022
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Subjects--Topical
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Optics
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Description
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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...
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Title
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Autonomous Sensing of a Gaussian Spatial Process with Multiple Heterogeneous Agents
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Author
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Brancato, Michael
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Date Created
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2022
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Subjects--Topical
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Mechanical engineering
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Description
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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...
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Title
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Bioactive ceramic coating on orthopedic implants for enhanced bone tissue integration
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Author
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Aniket, .
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Date Created
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2012
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Subjects--Topical
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Materials science, Nanoscience, Biomedical engineering
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Description
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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...
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Title
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CARBON NANOTUBE GROWTH, DISPERSION, AND USE IN NANOELECTROMECHANICAL ACTUATORS
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Author
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Forney, Michael
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Date Created
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2011
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Subjects--Topical
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Nanoscience
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Description
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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 ...
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Title
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Characterization of the Dynamic Performance of Machine Spindles
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Author
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Ganguly, Vasishta
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Date Created
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2014
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Description
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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...
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Title
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Characterization of the Dynamic Performance of Machine Spindles
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Author
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Ganguly, Vasishta
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Date Created
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2014
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Subjects--Topical
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Mechanical engineering
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Description
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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...
