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 20 of 98 for “"Non-destructive Evaluation"”.
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Non-destructive evaluation of bridge decks
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1997.
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Non-destructive evaluation of solder joint reliability
A through life non-destructive evaluation technique is presented in which a key solder joint feature, nucleating at the bump to silicon interface and propagating across a laminar crack plane is captured and tracked using acoustic microscopy imaging (AMI). The feasibility of this concept was …
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Ultrasonic sensor platforms for Non-Destructive Evaluation
… are receiving increasing attention for use in Non-Destructive Evaluation (NDE), due to their attractiveness in terms of cost, safety and their accessibility to areas where manual inspection is not practical. A reconfigurable Lamb wave scanner, using autonomous robotic platforms is presented. …
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Design of miniature mobile robots for non-destructive evaluation
… or are hazardous for humans. In particular, the evaluation of complex infrastructures that consist of numerous components with small structural dimensions motivate the application of robotic micro systems for inspection and on-site manipulation. This thesis describes the development of a …
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Quantitative non-destructive evaluation using laser generated ultrasonic pulses
… of defects in solids. Ultrasound is generated noncontactively by this method and likewise many of the detection devices used do not require direct coupling to the test pieces, thus acoustic pulses with high frequency components are able to be produced and monitored on a range of samples. Steel …
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Active thermography as non destructive evaluation technique for welded joints
L'abstract è presente nell'allegato / the abstract is in the attachment
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Non-destructive evaluation of resistance seam welds by acoustic emission
Thesis: B.S., Massachusetts Institute of Technology, Department of Mechanical Engineering, 1984
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Induction Infrared Thermography for Non-Destructive Evaluation of Alloy Sensitization
… presence of sensitization are qualitative and/or destructive in nature. Attempts have been made to non-destructively detect and characterize sensitization through various means, but all with mixed results. With the use of these high-carbon alloys in a range of industries, a comprehensive, in-place …
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Non-destructive Evaluation of Food Products by Microwave and mmW Imaging
… The proposed system leverages low-power, non-ionizing microwave signals to identify foreign bodies without compromising food integrity or requiring extensive modifications to existing production lines. It offers a cost-effective and real-time inspection method, capable of operating in-line …
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Non-destructive evaluation of laboratory scale hydraulic fracturing using acoustic emission
… techniques correlated well with post-test damage evaluations.
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Machine learning-based non-destructive evaluation of fatigue damage in metals
Non-destructive evaluation (NDE) of fatigue damage in metals is crucial for ensuring high product performance and safety. In remanufacturing, NDE for the incoming recycled metal materials is also essential to maximize the benefits of utilizing such materials. However, critical challenges exist in …
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The in-service non-destructive evaluation of wooden transmission line poles
… of the ESKOM TRI Group into the In-service Non-Destructive Evaluation of Wooden Transmission Line Poles. The aim of this work was the development of an effective pole tester that could be used to test the integrity of wooden transmission line poles in situ. The pole testing method that ESKOM …
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Non-Destructive Evaluation of Apple Maturity Using an Electronic Nose System
… methods that can evaluate the quality of apples non-destructively. Harvested fruits are a mixture of immature, mature, and over mature fruits, thereby posing a great problem in deciding their end use and storage time. It is expected that the technique developed from the present project could be …
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Air-coupled non-destructive evaluation technology for condition assessment of railroad ties
… describes the development of fully air-coupled non-destructive evaluation (NDE) technology for condition assessment of railroad ties. Ultrasonic surface waves are generated in railroad ties using an air-coupled ultrasonic sender. Surface waves are sensed at the receiving end using an array of …
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Development of submerged in-situ non-destructive evaluation of hydrogen in Zircaloy fuel cladding
Includes bibliographical references (pages 99-103).
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Application of acoustic emission sensing for the non-destructive evaluation of advanced composite materials
… Mach-Zehnder interferometric sensor for the evaluation of composite materials. The sensor's potential for non-destructive evaluation (NDE) was investigated by placing CFRP specimens with the embedded sensors under sufficient tension to cause damage. Signal analysis was performed on the …
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Implementation of Infrared Non-Destructive Evaluation in Fiber-Reinforced Polymer Bouble-Web I-Beams
… only short-term proof testing for validation. Nondestructive evaluation (NDE) is a way to implement health monitoring of the bridge beams and needs to be assessed. The principal underlying infrared thermal imaging (IR) nondestructive evaluation (NDE) is to induce a thermal gradient in the beam …
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Magnetic hysteretic characterization of ferromagnetic materials with objectives towards non-destructive evaluation of material degradation
Structurele componenten en machineonderdelen vervaardigd uit staal worden vaak onder veeleisende omstandigheden uitgebaat. Dit kan aanleiding geven tot materiaaldegradatieprocessen zoals verbrossing en metaalvermoeiing. Mettertijd kunnen deze microstructurele processen leiden tot een graduele …
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Design and Calibration of a RF Capacitance Probe for Non-Destructive Evaluation of Civil Structures
… by the time deterioration becomes evident. Non-destructive evaluation (NDE) methods are potentially among the most useful techniques developed for assessing constructed facilities. They are noninvasive and can be performed rapidly. Portland cement concrete can be nondestructively evaluated …
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Non-Destructive Evaluation and Mathematical Modeling of Beef Loins Subjected to High Hydrodynamic Pressure Treatment
… hydrodynamic pressure (HDP) treatment is a novel non-thermal technology that improves tenderness in foods by subjecting foods to underwater shock waves. In this study non-destructive and destructive testing methods, along with two mathematical models were explored to predict biomechanical behavior …
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