A Study of Magnetic Particle Inspection
Author | : C. Edwards |
Publisher | : |
Total Pages | : 0 |
Release | : 1986 |
Genre | : |
ISBN | : |
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Author | : C. Edwards |
Publisher | : |
Total Pages | : 0 |
Release | : 1986 |
Genre | : |
ISBN | : |
Author | : M.J. Lovejoy |
Publisher | : Springer Science & Business Media |
Total Pages | : 459 |
Release | : 2012-12-06 |
Genre | : Technology & Engineering |
ISBN | : 9401115362 |
During the years since this book was first published in 1993 there have very few developments in the technology of magnetic particle inspection apart from improvements in instrumentation which has made the measurement of peak values of time varying currents practicable. The major changes have arisen from health and safety and environmental concerns. These involve chemicals and exposure of personnel to air-borne electromagnetic fields and long wave ultraviolet (UY.A). The changes in the acceptability of certain volatile halogenated hydrocar bons which led to the banning of 1, 1, 1 thichloroethane in 1995 were evident in 1993. The present discussions concerning the emissions of volatile organic compounds (VOCs) in general was also current and has now reached a stage where the effects of these deliberations will become evident over the next few years. Concerns over the exposure of personnel to airborne electromagnetic fields has been current for some years as has discussions to the effects of long wave ultraviolet (UY.A) on human skin. Recommendations as to maximum permit ted exposures over periods of time to both of these phenomena have been put forward and will doubtless form the basis of future legislation on the matter. A number of new specifications have appeared notably EN (European) and ISO specifications and some of these are still in preparation. Generally their impact will be minimal since these specifications are largely derived from existing documentation.
Author | : Carl E. Betz |
Publisher | : |
Total Pages | : |
Release | : 1967 |
Genre | : |
ISBN | : |
Author | : Chetan Singh |
Publisher | : Chetan Singh |
Total Pages | : 130 |
Release | : |
Genre | : Technology & Engineering |
ISBN | : |
"Magnetic Particle Inspection: Techniques, Applications, Interviews Q&A, and Glossary" is a complete guide to the non-destructive testing technique of magnetic particle inspection (MPI). This NDT book covers the fundamental principles of MPI, including the types of magnetic fields used, the properties of magnetic particles, and the various types of equipment used in the process. In addition to the basic principles, the magnetic particle testing book also covers advanced topics such as selecting the appropriate current for wet or dry inspection, the use of UV light in MPI, and the demagnetization process. To provide readers with practical insights into the application of MPI, the magnetic particle inspection book includes interviews with experts in the field, who share their experiences and tips on best practices. Finally, the book features a glossary of MPI terms and definitions, making it a valuable reference for both beginners and experienced practitioners. Whether you are new to the field of Magnetic testing or looking to enhance your existing knowledge, "Magnetic Particle Inspection: Techniques, Applications, Interviews Q&A, and Glossary" is an essential resource that will help you develop a comprehensive understanding of this important non-destructive testing technique.
Author | : Tobias Knopp |
Publisher | : Springer Science & Business Media |
Total Pages | : 211 |
Release | : 2012-05-04 |
Genre | : Medical |
ISBN | : 364204199X |
This volume provides a comprehensive overview of recent developments in magnetic particle imaging (MPI), a novel imaging modality. Using various static and oscillating magnetic fields, and tracer materials made from iron oxide nanoparticles, MPI can perform background-free measurements of the particles’ local concentration. The method exploits the nonlinear remagnetization behavior of the particles and has the potential to surpass current methods for the detection of iron oxide in terms of sensitivity and spatiotemporal resolution. Starting from an introduction to the technology, the topics addressed include setting up an imaging device, assessment of image quality, development of new MPI tracer materials, and the first preclinical results. This is the first book to be published on magnetic particle imaging, and it will be an invaluable source of information for everyone with an interest in this exciting new modality.
Author | : Carl E. Betz |
Publisher | : |
Total Pages | : 534 |
Release | : 1967 |
Genre | : Magnetic testing |
ISBN | : |
Author | : David Eisenmann |
Publisher | : |
Total Pages | : 145 |
Release | : 2018 |
Genre | : Nondestructive inspection |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : |
Release | : 2003 |
Genre | : |
ISBN | : |
Magnetic particle inspection (MPI) is a widely used nondestructive inspection method for aerospace applications essentially limited to experiment-based approaches. The analysis of MPI characteristics that affect sensitivity and reliability contributes not only reductions in inspection design cost and time but also improvement of analysis of experimental data. Magnetic particles are easily attracted toward a high magnetic field gradient. Selection of a magnetic field source, which produces a magnetic field gradient large enough to detect a defect in a test sample or component, is an important factor in magnetic particle inspection. In this work a finite element method (FEM) has been employed for numerical calculation of the MPI simulation technique. The FEM method is known to be suitable for complicated geometries such as defects in samples. This thesis describes the research that is aimed at providing a quantitative scientific basis for magnetic particle inspection. A new FEM solver for MPI simulation has been developed in this research for not only nonlinear reversible permeability materials but also irreversible hysteresis materials that are described by the Jiles-Atherton model. The material is assumed to have isotropic ferromagnetic properties in this research (i.e., the magnetic properties of the material are identical in all directions in a single crystal). In the research, with a direct current field mode, an MPI situation has been simulated to measure the estimated volume of magnetic particles around defect sites before and after removing any external current fields. Currently, this new MPI simulation package is limited to solving problems with the single current source from either a solenoid or an axial directional current rod.
Author | : |
Publisher | : |
Total Pages | : 44 |
Release | : 1958 |
Genre | : Aircraft industry |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 1 |
Release | : 1962 |
Genre | : |
ISBN | : |