1st Edition

Electrical and Magnetic Methods of Nondestructive Testing

By

J Blitz




ISBN 9780750301480
Published January 1, 1991 by CRC Press
246 Pages 52 B/W Illustrations

USD $240.00

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Book Description

Electrical and Magnetic Methods of Nondestructive Testing presents a comprehensive account of the electrical and magnetic methods of nondestructive testing (NDT). The book begins with a discussion of the requirements for NDT and the criteria for the choice of a given method, followed by a summary of the general theory relating to electrical and magnetic testing techniques. Subsequent chapters discuss specific methods, including eddy current and flux-leakage techniques and microwave and potential drop methods. The appendix provides some useful programs for eddy current impedance analyses. These programs are in BASIC and can be run on PCs.

Table of Contents

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

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Reviews

"… 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