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Electrical and Magnetic Methods of Nondestructive Testing - Jack Blitz

Electrical and Magnetic Methods of Nondestructive Testing

Hardcover

Published: 1st January 1991
Ships: 7 to 10 business days
7 to 10 business days
RRP $667.99
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Hardcover
Published: 30th November 1997
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This textbook is intended to help satisfy an urgent requirement for up-to-date texts at graduate and senior undergraduate level on the subjects in Nondestructive Testing (NDT). The subject matter is confined here to electrical and magnetic methods, with emphasis on the widely-used eddy current and magnetic flux leakage methods (including particle inspection) but proper attention is paid to other techniques, such as microwave and AC field applications, which are rapidly growing in importance. Theoretical analyses relating to the various methods are discussed and the depths of presentation are often governed by whether or not the information is readily available elsewhere. Thus, for example, a considerable amount of space is devoted to eddy current theory at what the author considers to be a reasonable standard and not, as usually experienced, in either a too elementary manner or at a level appreciated only by a post-graduate theoretical physicist. The inclusion of the introductory chapter is intended to acquaint the reader with some of the philosophy of NDT and to compare, briefly, the relative performances of the more important methods of testing. Chapter 2 provides a summary of the basic electrical and magnetic theory relating to the subject. It is mainly intended for reference rather than for tutorial purposes, although some of the more important aspects of the theory are treated at greater length. The remainder of the chapters discuss the various techniques and applications. An appendix contains information on SI units, British and American Standards relevant to electrical and magnetic testing, a brief introduction to the Bessel and other functions appertaining to eddy current theory and some programmes in BASIC for calculating, with a personal computer, the impedance components of eddy current coils used for testing defect-free metal samples.

..." well written and useful book...may form an ideal student textbook for mixed or supporting courses ..." The Structural Engineer ..." a good mix of theoretical background and practical application. It is careful with units, always important in the use of electrical and magnetic measurement methods and there is a helpful list of relevant standards in an appendix." Aslib Book Guide ll written and useful book...may form an ideal student textbook for mixed or supporting courses ..." The Structural Engineer ..." a good mix of theoretical background and practical application. It is careful with units, always important in the use of electrical and magnetic measurement methods and there is a helpful list of relevant standards in an appendix." Aslib Book Guide

INTRODUCTION General considerations Methods of nondestructive testing Electrical and magnetic methods The choice of the method of testing Automation in nondestructive testing Conclusion Further reading FUNDAMENTAL THEORY General considerations Electrical conductivity and resistivity Dielectric materials Electromagnetism Alternating currents Circuit networks Ferromagnetic materials Electromagnetic radiation MAGNETIC METHODS Introduction Flux-leakage methods Magnetic particle inspection (MPI) Magnetic tape inspection (magnetography) Quantitative flux-leakage detectors Quantitative flux-leakage applications Magnetization and hysteresis methods Miscellaneous magnetic techniques EDDY CURRENTS: PRINCIPLES Introduction Coils encircling defect-free metal cylindrical rods Coils encircling cylindrical defect-free tubes Internal coaxial coils in cylindrical defect-free metal tubes Coils scanning the surfaces of defect-free conductors Defect modeling EDDY CURRENT METHODS General considerations Fundamental measurements Probe design Requirements for eddy current measurements Basic eddy current tests-measurements Basic eddy current defect detection and sizing More advanced eddy testing current methods MICROWAVE METHODS OF TESTING Introduction Microwave radiation Microwave instrumentation Microwave measurements MISCELLANEOUS METHODS General considerations Potential drop methods Resistance strain gauges Electrified particle testing Other methods APPENDIX

ISBN: 9780750301480
ISBN-10: 0750301481
Audience: Tertiary; University or College
Format: Hardcover
Language: English
Number Of Pages: 237
Published: 1st January 1991
Publisher: TAYLOR & FRANCIS
Country of Publication: GB
Dimensions (cm): 23.6 x 16.33  x 1.68
Weight (kg): 0.52
Edition Number: 1