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eddy current technique

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Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002363
EISBN: 978-1-62708-193-1
... of the liquid penetrant methods, positron annihilation techniques, acoustic emission techniques, ultrasonic methods, eddy current techniques, infrared techniques, exoelectron methods, and gamma radiography. The article explains the microscopy methods used to determine fatigue crack initiation and propagation...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006465
EISBN: 978-1-62708-190-0
... electromagnetic and eddy current techniques that can be used to detect changes to nearsurface geometric anomalies or other defects are also discussed. These include ultrasonic techniques, radiographic techniques, and neutron imaging. additive manufacturing cracking eddy current technique electromagnetic...
Series: ASM Handbook
Volume: 6A
Publisher: ASM International
Published: 31 October 2011
DOI: 10.31399/asm.hb.v06a.a0005616
EISBN: 978-1-62708-174-0
... Abstract This article describes the fundamental aspects of three nondestructive evaluation (NDE) methods of solid-state welds in terms of operation principles. These methods are radiography, ultrasound, and eddy current methods. The article provides examples of these NDE techniques performed...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006477
EISBN: 978-1-62708-190-0
....2005.850024 21. Todorov E.I. , Parametric Studies and Optimization of Eddy Current Techniques through Computer Modeling , Review of Progress in Quantitative Nondestructive Evaluation , Vol 26 , Thompson D.O. and Chimenti D.E. , Ed., 2006 , p 249 – 256...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006445
EISBN: 978-1-62708-190-0
..., and gamma-ray density determination. The article also discusses the methods for automated nondestructive testing of pressed and sintered PM parts: acoustic methods-resonance testing, eddy current testing, magnetic bridge comparator testing, ultrasonic techniques, radiographic techniques, gamma-ray density...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003436
EISBN: 978-1-62708-195-5
... B.M. , Normand E. , and Galt S.A. , “Eddy Current Techniques,” Inders Phase IV Final Report, D180-32000-1, Contract NAS9-16960, Dec 1989 97. Gros X.E. , Review of NDT Techniques for Detection of Low Energy Impacts in Carbon Reinforcements , SAMPE J. , Vol 31 ( No.2...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005863
EISBN: 978-1-62708-167-2
... to evaluate induction-hardened components. These include magnetic particle testing, ultrasonic testing, eddy current testing, and process monitoring during the induction-hardening process itself. These techniques may be used to find surface defects, such as cracks, or to look for internal cracks. They may...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003228
EISBN: 978-1-62708-199-3
... Abstract This article reviews nondestructive testing (NDT) and inspection techniques, namely liquid penetrant, magnetic particle, ultrasonics, X-ray, eddy current, visual and radiography that are commonly used to detect and evaluate flaws or leaks in an engineering system. This article compares...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006764
EISBN: 978-1-62708-295-2
... latitude of applications due to the multiple factors that affect the electrical characteristics of the eddy currents. Because of this and the variety of electrical configurations that can produce eddy currents, there are many examination techniques ( Table 4 ). There are certain limitations to eddy-current...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003228
EISBN: 978-1-62708-199-3
...Abstract Abstract This article reviews nondestructive testing (NDT) and inspection techniques, namely liquid penetrant, magnetic particle, ultrasonics, X-ray, eddy current, visual and radiography that are commonly used to detect and evaluate flaws or leaks in an engineering system. This article...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006336
EISBN: 978-1-62708-179-5
... often can be seen by visual inspection, but other techniques include liquid penetrant, eddy-current, and magnetic-particle inspection. All of these inspection methods require clean and relatively smooth surfaces for effective results. Eddy-current inspection and magnetic-particle inspection also can...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006450
EISBN: 978-1-62708-190-0
... on a conductive metal, or the thickness of a nonmagnetic metal coating on a magnetic metal Because eddy currents are created using an electromagnetic induction technique, the inspection method does not require direct electrical contact with the part being inspected. The eddy current method is adaptable...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001473
EISBN: 978-1-62708-173-3
... the weld groove, could save on repair costs. Using dry powder techniques, MPT can be carried out while surfaces are still hot. Attempts have been made to incorporate NDE techniques with continuous monitoring of the weld process. Eddy-current testing, for example, has been used on small-bore induction...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006449
EISBN: 978-1-62708-190-0
... with the software and computation ( Ref 11 ). In addition, as with all models, results are only as good as the information input. This can be problematic with materials systems that do not have a complete materials properties database available. In the case of eddy-current and other magnetic techniques, uncertainty...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005857
EISBN: 978-1-62708-167-2
... particle inspection, eddy current 100% (a) Sampling plan is decided by control plan and varies for different companies. (b) C pk , historical process capability Nondestructive evaluation techniques combine methods that are used to evaluate materials...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005795
EISBN: 978-1-62708-165-8
... technique are in various stages of development. One technique uses handheld eddy-current sensors known as meandering winding magnetometers ( Ref 4 ). These instruments also incorporate magnetic induction sensors. Another new way of measuring case depth makes use of the magnetic Barkhausen noise...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001238
EISBN: 978-1-62708-170-2
... Evaluation technique References Cracks Acoustic emission 57 Acoustic microscope 48 Eddy current Etching 9 , 46 Magnetic particle 9 Metallography 9 Optical microscope 58 Penetrant 9 Scanning electron microscopy Transmission electron microscopy...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003234
EISBN: 978-1-62708-199-3
... (such as grain size, heat treatment, and hardness) To measure the thickness of a nonconductive coating on a conductive metal, or the thickness of a nonmagnetic metal coating on a magnetic metal Because eddy-current inspection is an electromagnetic-induction technique, it does not require direct...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003234
EISBN: 978-1-62708-199-3
... properties (such as grain size, heat treatment, and hardness) To measure the thickness of a nonconductive coating on a conductive metal, or the thickness of a nonmagnetic metal coating on a magnetic metal Because eddy-current inspection is an electromagnetic-induction technique, it does not require...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006478
EISBN: 978-1-62708-190-0
...,” NDT Summary Report from Eurocopter Collaboration, 1994 95. Jackson J.D. , Classical Electrodynamics , John Wiley and Sons , New York , 1962 96. Georgeson G.E. , Lempriere B.M. , Normand E. , and Galt S.A. , “Eddy Current Techniques,” D180-32000-1, Inders...