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Automated Eddy Current Analysis Of Materials
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Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781725177147 Total Pages :38 pages Book Rating :4.1/5 (771 download)
Book Synopsis Automated Eddy Current Analysis of Materials by : National Aeronautics and Space Administration (NASA)
Download or read book Automated Eddy Current Analysis of Materials written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-08-16 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: The use of eddy current techniques for characterizing flaws in graphite-based filament-wound cylindrical structures is described. A major emphasis was also placed upon incorporating artificial intelligence techniques into the signal analysis portion of the inspection process. Developing an eddy current scanning system using a commercial robot for inspecting graphite structures (and others) was a goal in the overall concept and is essential for the final implementation for the expert systems interpretation. Manual scans, as performed in the preliminary work here, do not provide sufficiently reproducible eddy current signatures to be easily built into a real time expert system. The expert systems approach to eddy current signal analysis requires that a suitable knowledge base exist in which correct decisions as to the nature of a flaw can be performed. A robotic workcell using eddy current transducers for the inspection of carbon filament materials with improved sensitivity was developed. Improved coupling efficiencies achieved with the E-probes and horseshoe probes are exceptional for graphite fibers. The eddy current supervisory system and expert system was partially developed on a MacIvory system. Continued utilization of finite element models for predetermining eddy current signals was shown to be useful in this work, both for understanding how electromagnetic fields interact with graphite fibers, and also for use in determining how to develop the knowledge base. Sufficient data was taken to indicate that the E-probe and the horseshoe probe can be useful eddy current transducers for inspecting graphite fiber components. The lacking component at this time is a large enough probe to have sensitivity in both the far and near field of a thick graphite epoxy component. Workman, Gary L. Unspecified Center NASA-CR-184432, NAS 1.26:184432 NAS8-36955...
Book Synopsis Eddy-Current Characterization of Materials and Structures by : George Birnbaum
Download or read book Eddy-Current Characterization of Materials and Structures written by George Birnbaum and published by ASTM International. This book was released on 1981 with total page 522 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Development of Automated Eddy Current Equipment for Use in Non-destructive Testing by : H. R. Chin Quan
Download or read book The Development of Automated Eddy Current Equipment for Use in Non-destructive Testing written by H. R. Chin Quan and published by . This book was released on 1972 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Application of Automated Analysis Software to Eddy Current Inspection Data from Steam Generator Tube Bundle Mock-up by : S. Bakhtiari
Download or read book Application of Automated Analysis Software to Eddy Current Inspection Data from Steam Generator Tube Bundle Mock-up written by S. Bakhtiari and published by . This book was released on 2016 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Automated Eddy Current Testing of Wire and Tube by : T. J. BAUGH
Download or read book Automated Eddy Current Testing of Wire and Tube written by T. J. BAUGH and published by . This book was released on 1966 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis An Automated Diagnostics System for Eddy Current Analysis Using Applied Artificial Intelligence Methods by : Wu Yan
Download or read book An Automated Diagnostics System for Eddy Current Analysis Using Applied Artificial Intelligence Methods written by Wu Yan and published by . This book was released on 1995 with total page 670 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Eddy-Current Nondestructive Evaluation by : Nicola Bowler
Download or read book Eddy-Current Nondestructive Evaluation written by Nicola Bowler and published by Springer. This book was released on 2019-08-01 with total page 217 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers the topic of eddy current nondestructive evaluation, the most commonly practiced method of electromagnetic nondestructive evaluation (NDE). It emphasizes a clear presentation of the concepts, laws and relationships of electricity and magnetism upon which eddy current inspection methods are founded. The chapters include material on signals obtained using many common eddy current probe types in various testing environments. Introductory mathematical and physical concepts in electromagnetism are introduced in sufficient detail and summarized in the Appendices for easy reference. Worked examples and simple calculations that can be done by hand are distributed throughout the text. These and more complex end-of-chapter examples and assignments are designed to impart a working knowledge of the connection between electromagnetic theory and the practical measurements described. The book is intended to equip readers with sufficient knowledge to optimize routine eddy current NDE inspections, or design new ones. It is useful for graduate engineers and scientists seeking a deeper understanding of electromagnetic methods of NDE than can be found in a guide for practitioners.
Author :Hartmut Brauer Publisher :Institution of Engineering and Technology ISBN 13 :1785612158 Total Pages :359 pages Book Rating :4.7/5 (856 download)
Book Synopsis Motion-Induced Eddy Current Techniques for Non-Destructive Testing and Evaluation by : Hartmut Brauer
Download or read book Motion-Induced Eddy Current Techniques for Non-Destructive Testing and Evaluation written by Hartmut Brauer and published by Institution of Engineering and Technology. This book was released on 2018-11-15 with total page 359 pages. Available in PDF, EPUB and Kindle. Book excerpt: Non-destructive testing (NDT) analysis techniques are used in science, technology and medicine to evaluate the properties of a material, component or system, without causing damage or altering the article being inspected. It is a highly valuable technique that can save money and time in product evaluation, troubleshooting, and research. Well known and widely used in industrial applications since the 60s, the NDT market is developing and growing fast. This book focuses on electromagnetic NDT methods and more specifically on the motion induced eddy current testing and evaluation (MIECTE) techniques used for conductive materials via electromagnetic methods, focusing on the Lorentz force eddy current testing (LET) method which was introduced recently. The authors present the modelling and simulation of LET systems as well as the optimal design of the measurement setups. They also show the wide variety of applications of the LET method including defect identification and sigmometry to estimate electrical conductivity of the tested material.
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1992 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Ultrasonic and Advanced Methods for Nondestructive Testing and Material Characterization by : C. H. Chen
Download or read book Ultrasonic and Advanced Methods for Nondestructive Testing and Material Characterization written by C. H. Chen and published by World Scientific. This book was released on 2007 with total page 682 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultrasonic methods have been very popular in nondestructive testing and characterization of materials. This book deals with both industrial ultrasound and medical ultrasound. The advantages of ultrasound include flexibility, low cost, in-line operation, and providing data in both signal and image formats for further analysis. The book devotes 11 chapters to ultrasonic methods. However, ultrasonic methods can be much less effective with some applications. So the book also has 14 chapters catering to other or advanced methods for nondestructive testing or material characterization. Topics like structural health monitoring, Terahertz methods, X-ray and thermography methods are presented. Besides different sensors for nondestructive testing, the book places much emphasis on signal/image processing and pattern recognition of the signals acquired.
Book Synopsis Eddy-Current Characterization of Materials and Structures by : George Birnbaum
Download or read book Eddy-Current Characterization of Materials and Structures written by George Birnbaum and published by . This book was released on 1981 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Eddy-current Characterization of Materials and Structures by : George Birnbaum
Download or read book Eddy-current Characterization of Materials and Structures written by George Birnbaum and published by . This book was released on 1981 with total page 508 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Industrial Ultrasonic Inspection: Levels 1 and 2 by : Ryan Chaplin
Download or read book Industrial Ultrasonic Inspection: Levels 1 and 2 written by Ryan Chaplin and published by FriesenPress. This book was released on 2017-05-16 with total page 429 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ultrasonic testing (UT) has been an accepted practice of inspection in industrial environments for decades. This book, Industrial Ultrasonic Inspection, is designed to meet and exceed ISO 9712 training requirements for Level 1 and Level 2 certification. The material presented in this book will provide readers with all the basic knowledge of the theory behind elastic wave propagation and its uses with the use of easy to read text and clear pictorial descriptions. Discussed UT concepts include: - General engineering, materials, and components theory - Theory of sound waves and their propagation - The general uses of ultrasonic waves - Comprehensive lab section - Methods of ultrasonic wave generation - Different ultrasonic inspection techniques - Ultrasonic flaw detectors, scanning systems, and probes - Calibration fundamentals - General scanning techniques - Flaw sizing techniques - Basic analysis for ultrasonic, phased array ultrasonic, and time of flight diffraction inspection techniques - Codes and standards - Principles of technical documentation and reporting It is my intention that this book is used for general training purposes. It is the ideal classroom textbook. -Ryan Chaplin
Book Synopsis Review of Progress in Quantitative Nondestructive Evaluation by : Donald O. Thompson
Download or read book Review of Progress in Quantitative Nondestructive Evaluation written by Donald O. Thompson and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 2393 pages. Available in PDF, EPUB and Kindle. Book excerpt: These Proceedings, consisting of Parts A and B, contain the edited versions of most of the papers presented at the annual Review of Progress in Quantitative Nondestructive Evaluation held at the University of California San Diego, in La Jolla, California on July 19- July 24, 1992. The Review was organized by the Center for NDE at Iowa State University and the Ames Laboratory of the USDOE in cooperation with a number of organizations including the Air Force Wright Laboratory Materials Directorate, the American Society for Nondestructive Testing, the Center for NDE at Johns Hopkins University, the Department of Energy, the Federal Aviation Administration, the National Institute of Standards and Technology, the National Science Foundation IndustrylUniversity Cooperative Research Centers, and the Working Group in Quantitative NDE. This year's Review of Progress in QNDE was attended by approximately 475 participants from the U. S. and many foreign countries who presented over 380 papers. With such a large volume of work to review, the meeting was divided into 36 sessions with as many as four sessions running concurrently. The Review covered all phases of NDE research and development from fundamental investigations to engineering applications or inspection systems, and it included all methods of inspection science from acoustics to x-rays. During the last twenty years, the participants of the Review have contributed to its steady growth. Thanks to their efforts, the Review is today one of the largest and most significant gatherings of NDE researchers and engineers anywhere in the world.
Book Synopsis Pipeline and Energy Plant Piping by : Sam Stuart
Download or read book Pipeline and Energy Plant Piping written by Sam Stuart and published by Elsevier. This book was released on 2013-10-22 with total page 392 pages. Available in PDF, EPUB and Kindle. Book excerpt: Pipeline and Energy Plant Piping: Design and Technology covers the proceedings of an international conference, “Pipeline and Energy Plant Piping – Fabrication in the 80’s . The book covers the total spectrum of technology relevant to pipeline fabrication, design, materials, welding process, inspection, defect acceptance, performance, and project management. The text also discusses other energy systems, such as nuclear, hydroelectric, oil, and gas transmission, to understand the technological demands of energy production and distribution. The text will be of great interest to professionals such as engineers whose line of work involves the management and regulation of piping systems.
Book Synopsis Novel Simulation and Data Processing Algorithms for Eddy Current Inspection by : Anton Efremov
Download or read book Novel Simulation and Data Processing Algorithms for Eddy Current Inspection written by Anton Efremov and published by . This book was released on 2020 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: Eddy Current Testing (ECT) is a widely used technique in the area of Nondestructive Evaluation. It offers a cheap, fast, non-contact way for finding surface and subsurface defects in a conductive material. Due to development of new designs of eddy current probe coils and advance of model based solutions to inverse problems in ECT, there is an emerging need for fast and accurate numerical methods for efficient modeling and processing of the data. This work contributes to the two directions of computational ECT: eddy current inspection simulation ("forward problem") and analysis of the measured data for automated defect detection ("inverse problem").A new approach to simulate low-frequency electromagnetics in 3D is presented, based on a combination of a frequency-domain reduced vector potential formulation with a boundary condition based on Dirichlet-to-Neumann operator. The equations are solved via a Finite Element Method (FEM), and a novel technique for the fast solution of the related linear system is proposed. The performance of the method is analyzed for a few representative ECT problems. The obtained numerical results are validated against analytic solutions, other simulation codes, and experimental data.The inverse problem of interpreting measured ECT data is also a significant challenge in many practical applications. Very often, the defect indication in a measurement is very subtle due to the large contribution from the geometry of the test sample, making defect detection very difficult. This thesis presents a novel approach to address this problem. The developed algorithm is applied to real problems of detecting defects under steel fasteners in aircraft geometry using 2D data obtained from a raster scan of a multilayer structure with a low frequency eddy current excitation and GMR (Giant Magnetoresistive) sensors. The algorithm is also applied to the data obtained from EC inspection of heat exchange tubes in nuclear power plant.
Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722822835 Total Pages :32 pages Book Rating :4.8/5 (228 download)
Book Synopsis Study of Eddy Current Probes by : National Aeronautics and Space Administration (NASA)
Download or read book Study of Eddy Current Probes written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-08-20 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: The recognition of materials properties still presents a number of problems for nondestructive testing in aerospace systems. This project attempts to utilize current capabilities in eddy current instrumentation, artificial intelligence, and robotics in order to provide insight into defining geometrical aspects of flaws in composite materials which are capable of being evaluated using eddy current inspection techniques. Workman, Gary L. and Wang, Morgan Unspecified Center NAS8-36955...
