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Eddy Current Inspection Of Graphite Fiber Components
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Author :National Aeronautics and Space Administration (NASA) Publisher :Createspace Independent Publishing Platform ISBN 13 :9781722365684 Total Pages :58 pages Book Rating :4.3/5 (656 download)
Book Synopsis Eddy Current Inspection of Graphite Fiber Components by : National Aeronautics and Space Administration (NASA)
Download or read book Eddy Current Inspection of Graphite Fiber Components written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-06 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: The recognition of defects in 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. The unique capabilities of E-probes and horseshoe probes for inspecting probes for inspecting graphite fiber materials were evaluated and appear to hold great promise once the technology development matures. The initial results are described of modeling eddy current interactions with certain flaws in graphite fiber samples. Workman, G. L. and Bryson, C. C. Marshall Space Flight Center...
Book Synopsis Eddy Current Inspection of Graphite Fiber Components by :
Download or read book Eddy Current Inspection of Graphite Fiber Components written by and published by . This book was released on 1990 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Eddy Current Nondestructive Inspection of Graphite Epoxy Using Ferrite Cup Core Probes by : Susan N. Vernon
Download or read book Eddy Current Nondestructive Inspection of Graphite Epoxy Using Ferrite Cup Core Probes written by Susan N. Vernon and published by . This book was released on 1987 with total page 70 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report summarizes the results of a three year project to develop the eddy current technical base for the detection and measurement of broken fiber damage in graphite epoxy using eddy current. Since graphite epoxy components are frequently made of panels having only one accessible surface, a single sided technique using a probe coil was required. Parameters of ferrite pot core probes which affect the defect sensitivity of the probe were identified and evaluated in terms of the coil efficiency factor or coupling coefficient. As a result of this investigation, it is possible to optimize eddy current probes for the single sided inspection of graphite epoxy and other high resistivity materials.
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 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 1995 with total page 702 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 2013-11-11 with total page 2266 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume (Parts A and B) contains the edited papers presented at the annual Review of Progress in Quantitative Nondestructive Evaluation held at the University of California - San Diego, La Jolla, CA, on August 1-5, 1988. The Review was organized by the Center for NDE at Iowa State University and the Ames Laboratory of the U. S. Department of Energy in cooperation with the Air Force Materials Laboratory, the Office of Basic Energy Sciences, USDOE, the Office of Naval Research, the NASA-Langley Research Center, and The Metallurgical Society (TMS). Yith a total of over 450 participants from the US and nine foreign countries who presented a record 325 papers, this conference has grown into the largest, most significant gathering of NDE researchers and engineers anywhere in the Yest. The meeting was divided into 36 sessions with as many as four sessions running concurrently. All stages of NDE development from basic research investigations to early engineering applications and all methods of inspection science from ultrasonics to x-ray tomography were covered. Following a pattern now familiar to regular attendees of the Review and readers of the Proceedings, the editors have organized the papers in the Proceedings according to topical subject headings rather than the original order of presentation. This rearrangement yields a more user friendly reference work. Part A of the Proceedings treats NDE technique development whereas Part B is organized around the theme of materials.
Download or read book NASA Conference Publication written by and published by . This book was released on 1990 with total page 888 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book NASA Tech Briefs written by and published by . This book was released on 1992 with total page 1486 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Handbook of Polymer Testing by : Roger Brown
Download or read book Handbook of Polymer Testing written by Roger Brown and published by CRC Press. This book was released on 1999-01-21 with total page 864 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Handbook of Polymer Testing: Physical Methods provides virtually currently used techniques for measuring and testing the physical properties of polymers. A concise but detailed technical guide to the physical testing methods of synthetic polymers in plastics, rubbers, cellular materials, textiles, coated fabrics, and composites, the book analyses a wide array of physical parameters and features complete coverage of mechanical, optical, and electrical, and thermal properties. Topics of interest include sample preparation, time-dependent properties, coated fabrics, weathering, permeability, and nondestructive testing.
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1995 with total page 1096 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nondestructive Evaluation of Materials and Composites by :
Download or read book Nondestructive Evaluation of Materials and Composites written by and published by . This book was released on 1996 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Monthly Catalogue, United States Public Documents by :
Download or read book Monthly Catalogue, United States Public Documents written by and published by . This book was released on 1995 with total page 1638 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Index to ... NASA Tech Briefs written by and published by . This book was released on with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1991 with total page 1334 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Structural Sensing, Health Monitoring, and Performance Evaluation by : D. Huston
Download or read book Structural Sensing, Health Monitoring, and Performance Evaluation written by D. Huston and published by CRC Press. This book was released on 2010-09-21 with total page 664 pages. Available in PDF, EPUB and Kindle. Book excerpt: Structural health monitoring (SHM) uses one or more in situ sensing systems placed in or around a structure, providing real-time evaluation of its performance and ultimately preventing structural failure. Although most commonly used in civil engineering, such as in roads, bridges, and dams, SHM is now finding applications in other engineering envir
Book Synopsis Monthly Catalog of United States Government Publications by :
Download or read book Monthly Catalog of United States Government Publications written by and published by . This book was released on 1995 with total page 1384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Eddy Current and Infrared Inspection of Graphite by : C. V. DODD
Download or read book Eddy Current and Infrared Inspection of Graphite written by C. V. DODD and published by . This book was released on 1967 with total page 1 pages. Available in PDF, EPUB and Kindle. Book excerpt:
