Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 11 of 11 for “"Non- Destructive Inspection"”.
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Non-destructive inspection of spent fuel casks through 14.1 MeV neutron interrogation
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2025-05-01
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Analysis of Direct-Soldered Power Module / Heat Sink Thermal Interface for Electric Vehicle Applications
… A 15MHz scanning acoustic microscope (SAM), a non-destructive inspection tool, was used to determine the void content at the module / heat sink interface. The experimental results show that a significant reduction in thermal resistance can be achieved by reducing the void content at the …
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Fabrication and Characterization of Three Dimensional Photonic Crystals Generated by Multibeam Interference Lithography
… optical quality. X-ray microscopy provides non-destructive inspection of the fabricated crystals at nano-scale resolution. A reconstructed crystal model is generated by computed tomography which allows for comparison to a predicted structure's geometry and optical spectra. Using the polymer …
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Design and development of an automated pellet inspection system for nuclear fuel pellets
A prototype for inline, non-destructive inspection of uranium dioxide (UO2) fuel pellets at production speeds of two pellets per second is presented. The system tests the surface of each cylindrical ceramic pellet using three different methods: laser 2D profile, laser surface roughness, and machine …
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Acoustic data communication system for in-pipe wireless sensor networks
… the condition of pipelines is assessed by non-destructive inspection techniques. Nonetheless, frequent pipeline failures warrant the continuous assessment of their condition, in order to schedule the maintenance activities accordingly, and assure their safe operation. Continuous monitoring …
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A Self-contained Wireless Structural Health Monitoring Tool
… these structures actively or passively using non-destructive testing (NDT) and non-destructive inspection (NDI) techniques. NDI crack detection and strain measurement systems are currently used in critical areas of structures, but are limited due to needing wires for communication and a power …
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EXTERNAL CLADDING DEFECTS AND PROPOSED ROBOTIC INSPECTION SYSTEMS
… in Singapore, and the importance of regular inspection and maintenance of these buildings. Efforts have been made to determine the frequency of occurrence of common defects on external cladding of these buildings such as cracking, water penetration, discolouration, and debonding. Causes of …
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Antennas for Terahertz Applications: Focal Plane Arrays and On-chip Non-contact Measurement Probes
… applications such as biomedical imaging, remote non-destructive inspection of packaged goods, and security screening. THz waves can penetrate most materials and can provide unique spectral information in the 0.1-10 THz band with high resolution. In contrast, other imaging modalities, like …
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Multifunctional composite structures with damage sensing capabilities
… towards the development of integrated non-destructive inspection (NDI) and structural health monitoring (SHM) capabilities. Two routes were identified and selected for further investigation; the enhancement of multifunctionality of composite systems through the use of nanotechnology and …
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Impact of Uncertainties on Structures Damage Tolerance Parameters
… uncertainties inherent in material properties, inspections, and operational conditions only at the final stage by applying safety factors. This research seeks to incorporate these uncertainties throughout the analysis by integrating Monte Carlo simulation with Linear Elastic Fracture Mechanics …