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Development of Theoretical Models for Nondestructive Testing Eddy-Current Phenomena / W. Lord, R. Palanisamy

Conference Author
Eddy-Current Characterization of Materials and Structures (1979 : Gaithersburg, Md.)
Physical Description
1 online resource (17 pages) : illustrations, figures, tables
Additional Creators
Lord, W., Palanisamy, R., American Society for Testing and Materials, and ASTM International
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Summary
Eddy-current methods of nondestructive testing rely for their operation on the interaction of induced alternating currents and fields with defects to produce noticeable changes in search coil impedance. To date, analytical techniques have been largely ineffective in providing a model suitable for the basis of a general defect characterization scheme because of the inherent complexity of the field equations describing the phenomena. After an overview of the available analytical models, this paper describes the development of a numerical model that shows promise of providing a solution to the inverse eddy-current problem. Impedance plane trajectories are predicted for a differential probe passing through a tube with axisymmetric inside-diameter and outside-diameter slots to illustrate the use of the numerical approach.
Dates of Publication and/or Sequential Designation
Volume 1981, Issue 722 (January 1981)
Subject(s)
Other Subject(s)
ISBN
9780803147928 (e-ISBN)
9780803107526
0803107528
Digital File Characteristics
text file PDF
Bibliography Note
Includes bibliographical references 58.
Other Forms
Also available online via the World Wide Web. Tables of contents and abstracts freely available; full-text articles available by subscription.
Full text article also available for purchase.
Also available in PDF edition.
Reproduction Note
Electronic reproduction. W. Conshohocken, Pa. : ASTM International, 1981. Mode of access: World Wide Web. System requirements: Web browser. Access may be restricted to users at subscribing institutions.
Technical Details
Mode of access: World Wide Web.
Source of Acquisition
ASTM International PDF Purchase price USD25.
View MARC record | catkey: 27990478