作者: FACET 時間: 2025-3-21 22:17 作者: Cumbersome 時間: 2025-3-22 00:51
https://doi.org/10.1007/978-3-662-02242-9tic skin depth. In these regimes, analytic solutions for the impedance?change due to the defect can be derived. The analytic solutions give clear insight into the way in which the coil impedance changes due to these and similar flaws.作者: 婚姻生活 時間: 2025-3-22 06:02 作者: 本能 時間: 2025-3-22 10:41
,Maxwell’s Equations,quations that can be solved for the fields generated by eddy-current?probe coils. Similarly, suitable governing equations and appropriate interface?conditions provide the mathematical framework by which the influence of a test-piece—with or without a defect—on the probe impedance can be described.作者: GRAZE 時間: 2025-3-22 13:53 作者: GRAZE 時間: 2025-3-22 17:15
Book 2019(NDE). It emphasizes a clear presentation of the concepts, laws and relationships of electricity and magnetism upon which eddy current inspection methods are founded.?.?.The chapters include material on signals obtained using many common eddy current probe types in various testing environments. Intr作者: 有節(jié)制 時間: 2025-3-23 00:50
2198-7807 evaluation is based.Fills the void between physics textbookThis book covers the topic of eddy current nondestructive evaluation, the most commonly practiced method of electromagnetic nondestructive evaluation (NDE). It emphasizes a clear presentation of the concepts, laws and relationships of elect作者: 使服水土 時間: 2025-3-23 03:16 作者: DNR215 時間: 2025-3-23 09:17 作者: GET 時間: 2025-3-23 10:11 作者: exostosis 時間: 2025-3-23 16:07
Probes,hybrid design, in which a drive coil induces eddy currents?in the test-piece yet the signal is measured by another type of sensor, e.g., a Hall device or a giant magnetoresistive (GMR) sensor. Thin, flexible coils?designed for in situ structural health monitoring, and array?probes?designed for rapid wide-area inspection, are also presented.作者: Aggressive 時間: 2025-3-23 21:07
Introduction,agnetic induction in EC NDE is described qualitatively and the principles via which a material defect may be detected are discussed. Finally, the parameters by which a simple EC surface coil?may be described are introduced.作者: 糾纏,纏繞 時間: 2025-3-23 22:29 作者: 改變立場 時間: 2025-3-24 03:13
https://doi.org/10.1007/978-3-662-29259-4ils, and bobbin?coils in relation to coated, layered, or?truncated test-pieces with planar?or cylindrical surfaces. The effect of the test-piece edge on the observed probe coil impedance?is also described.作者: 無彈性 時間: 2025-3-24 07:42
Chemisches Praktikum für Medizinerhybrid design, in which a drive coil induces eddy currents?in the test-piece yet the signal is measured by another type of sensor, e.g., a Hall device or a giant magnetoresistive (GMR) sensor. Thin, flexible coils?designed for in situ structural health monitoring, and array?probes?designed for rapid wide-area inspection, are also presented.作者: 排他 時間: 2025-3-24 11:15
Appendices,umbers, certain trigonometric functions, important operators, and identities of vector analysis in Cartesian, cylindrical, and spherical coordinate systems are presented. Due to their importance in analysis of eddy-current?probe coil fields, Bessel functions?are defined and described in some detail.作者: 沙文主義 時間: 2025-3-24 18:17
https://doi.org/10.1007/978-1-4939-9629-2CNDE design guide; Eddy current nondestructive evaluation; Nicola Bowler book; Nondestructive evaluatio作者: ANIM 時間: 2025-3-24 21:19 作者: JEER 時間: 2025-3-25 02:36 作者: FUSE 時間: 2025-3-25 03:44
Springer Series in Measurement Science and Technologyhttp://image.papertrans.cn/e/image/302209.jpg作者: inferno 時間: 2025-3-25 11:30
https://doi.org/10.1007/978-3-7091-5899-9Faraday’s?discovery of the law of electromagnetic?induction and including contributions of Henry, Hughes, and F?rster. The role of the law of electromagnetic induction in EC NDE is described qualitatively and the principles via which a material defect may be detected are discussed. Finally, the para作者: FORGO 時間: 2025-3-25 12:43 作者: Gentry 時間: 2025-3-25 16:03 作者: Fortify 時間: 2025-3-26 00:01 作者: NORM 時間: 2025-3-26 01:37 作者: cochlea 時間: 2025-3-26 06:04 作者: 尾隨 時間: 2025-3-26 09:29
https://doi.org/10.1007/978-3-662-29259-4 of the test-piece significantly perturb the induced eddy currents?and that the effect of those surfaces must be taken into account to properly interpret the observed eddy-current probe coil impedance. The discussion includes a description of impedance-plane diagrams for surface coils, encircling?co作者: HILAR 時間: 2025-3-26 13:19
Chemisches Praktikum für Medizinerexotic configurations are included. Practically speaking, probes are often composed of more than one coil either for differential operation that is particularly effective in defect detection or so that each coil may be individually optimized for its role as drive or pick up coil. Some probes are of 作者: Flagging 時間: 2025-3-26 19:52 作者: 發(fā)生 時間: 2025-3-26 21:25
Chemisches Praktikum für Medizinerumbers, certain trigonometric functions, important operators, and identities of vector analysis in Cartesian, cylindrical, and spherical coordinate systems are presented. Due to their importance in analysis of eddy-current?probe coil fields, Bessel functions?are defined and described in some detail.作者: boisterous 時間: 2025-3-27 02:23 作者: 吞沒 時間: 2025-3-27 08:08 作者: 廢墟 時間: 2025-3-27 11:58 作者: anthesis 時間: 2025-3-27 17:40 作者: 胡言亂語 時間: 2025-3-27 20:20 作者: Custodian 時間: 2025-3-28 00:54 作者: FOIL 時間: 2025-3-28 05:19
,Maxwell’s Equations,an eddy-current?coil, this chapter describes expressions of Maxwell’s?equations in full and under the quasi-static regime?that is of direct relevance to eddy-current?NDE. From Maxwell’s equations, equations governing the electromagnetic fields can be expressed in various ways. Interface?conditions o作者: neutrophils 時間: 2025-3-28 07:57 作者: 的闡明 時間: 2025-3-28 14:14 作者: yohimbine 時間: 2025-3-28 16:13
Probes,exotic configurations are included. Practically speaking, probes are often composed of more than one coil either for differential operation that is particularly effective in defect detection or so that each coil may be individually optimized for its role as drive or pick up coil. Some probes are of 作者: Condescending 時間: 2025-3-28 19:05
Flaw Models,he purpose of showing how the various characteristics of a defect (its size, shape, location, and filler material, etc.) influence the observed change in impedance?of the eddy- current?coil. Two regimes are considered: the “small flaw” regime, when the flaw is significantly smaller than the electrom作者: 預(yù)測 時間: 2025-3-28 22:59 作者: condemn 時間: 2025-3-29 03:32
2198-7807 dy current NDE inspections, or design new ones. It is useful for graduate engineers and scientists seeking a deeper understanding of electromagnetic methods of NDE than can be found in a guide for practitioners978-1-4939-9629-2Series ISSN 2198-7807 Series E-ISSN 2198-7815 作者: FOIL 時間: 2025-3-29 11:18
Chemische Technologie der L?sungsmittel the skin effect?for EC NDE are discussed, utilizing the example of an air-cored?eddy-current coil adjacent to an unflawed metal test-piece. For completeness, the electric displacement?and polarization?fields are also defined.作者: CHAFE 時間: 2025-3-29 11:49
S?uren — Basen — Neutralisation — Hydrolyse with or without a ferrite core, and frequency of excitation current—are discussed. Test-piece factors—conductivity, permeability, shape, and position relative to the coil—are also discussed. Sources of uncertainty?in inspections due to, for example, unknown variations in the coil windings or accide