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eddy current inspection

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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
... Abstract Eddy-current inspection is based on the principles of electromagnetic induction and is used to identify or differentiate among a wide variety of physical, structural, and metallurgical conditions in electrically conductive ferromagnetic and nonferromagnetic metals and metal parts. This...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006443
EISBN: 978-1-62708-190-0
.... It describes the NDE engineering and NDE process control, along with some case studies related to the applications of NDE. The article reviews various models for predicting NDE reliability, such as ultrasonic inspection model, eddy current inspection model, and radiographic inspection model. It...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006467
EISBN: 978-1-62708-190-0
... article provides a discussion on electromagnetic systems, eddy-current systems, and magnetic permeability systems for detection of flaws on steel bars. It concludes with a description of nondestructive inspection of steel billets. cracks eddy-current system electromagnetic inspection inclusions...
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
... nondestructive examination modeling and simulation methods eddy-current methods magnetic methods acoustic methods physical methods in-service inspection welds austenitic stainless steel tubing TUBULAR PRODUCTS, ranging in size from hypodermic needle tubing to large-diameter oil-line pipe, are used in...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006468
EISBN: 978-1-62708-190-0
... establishing a set of procedures for the magnetic-particle inspection of a specific part: type of current, type of magnetic particles, method of magnetization, direction of magnetization, magnitude of applied current, and equipment. It concludes with a discussion on demagnetization after magnetic-particle...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006447
EISBN: 978-1-62708-190-0
...-dimensional C-scan imaging), produced on monitor displays of sophisticated ultrasonic and eddy-current instruments that visualize inspections use VI principles. Thus, other NDT techniques are enhancements of VI. Direct visual examination implies a direct straightline contact and view of...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006476
EISBN: 978-1-62708-190-0
... other precision-made geometries. Production of gears involves processes including heat treatment, rough machining, grinding, shot peening, and many others. Physical defects, such as cracks, are often candidates for nondestructive techniques that include magnetic-particle inspection, eddy current ( Ref...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006457
EISBN: 978-1-62708-190-0
... inspection of thin metal laminations and metal-to-honeycomb bonded structures. The instrument uses a coil that electromagnetically vibrates the metal face sheet. This coil induces a pulsed eddy-current flow in a conductive material by an oscillating electromagnetic field in the probe. The alternating eddy...
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
... testing acoustic resonance testing eddy current testing magnetic bridge comparator testing ultrasonic techniques visual inspection THE POTENTIAL for introducing defects during processing becomes greater as the relative density of pressed and sintered powder metallurgy (PM) parts increases and...
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
... various 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...
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
..., or number of these anomalies exceeds the maximum allowed by the purchaser. The nondestructive methods include visual inspection, dimensional inspection, liquid penetrant inspection, magnetic-particle inspection, eddy-current inspection, radiographic inspection, ultrasonic inspection, resonant testing...
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
... particle, radiography, ultrasound, and eddy current, are available to detect flaws in solid materials. In general, the first three methods are for inspecting surface discontinuities such as cracks or cavities. For detection of surface and subsurface flaws, radiography, ultrasound, and eddy current are more...
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
.... , “Eddy Current Inspection of Graphite Fiber Components,” NASA TM-103514, NASA Technical Memorandum , Oct 1990 93. Vernon S.N. and Gammell P.M , Eddy Current Inspection of Broken Fiber Flaws in Non-Metallic Fiber Composites , Review of Progress in Quantitative Nondestructive...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006473
EISBN: 978-1-62708-190-0
... Abstract This article discusses the inspection/reference standards that are absolutely critical for proper application of ultrasonic inspection systems. Many of the standards and specifications for ultrasonic inspection require the use of standard reference blocks. The article lists the...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006438
EISBN: 978-1-62708-190-0
... inspection, dimensional metrology, ultrasound, radiography, penetrant test, magnetic particle test, leak test, eddy current tests, potential drop tests, flash and vibro thermography, shearography, acoustic emissions, and many other methods. This article provides discussion on general NDE science and...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006463
EISBN: 978-1-62708-190-0
..., Feb 1994 17. Spencer F.W. and Schurman D. , Reliability Assessment at Airline Inspection Facilities, Volume III: Results of an Eddy Current Inspection Reliability Experiment , DOT/FAA/CT-92/12, III, May 1995 18. Forsyth D.S. , Berens A.P. , and Rummel W.D...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006462
EISBN: 978-1-62708-190-0
... . All flaws larger than a NDE would be detected all of the time, while all flaws smaller than a NDE would not. Obviously, no ideal system exists, and the POD functions used produce a continuous curve. Figure 3 shows a POD curve for an automated eddy current inspection of titanium bolt holes. Two...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006479
EISBN: 978-1-62708-190-0
...) Test Methods” ASTM E268 “Electromagnetic Testing” ASTM E426 “Practice for Electromagnetic (Eddy-Current) Examination of Seamless and Welded Tubular Products, Austenitic Stainless Steel and Similar Alloys” ASTM E1962 “Standard Practice for Ultrasonic Surface Testing using Electromagnetic...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006471
EISBN: 978-1-62708-190-0
... permanent magnet or an electromagnet produces a steady magnetic field, while a coil of wire carries a radio frequency current. The radio frequency induces eddy currents in the surface of the specimen, which interact with the magnetic field to produce Lorentz forces that cause the specimen surface to vibrate...
Series: ASM Handbook
Volume: 17
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.hb.v17.a0006442
EISBN: 978-1-62708-190-0
... ., Vol 10 , 1993 , p 287 – 294 10.1080/10589759308952802 67. Bertotti G. , Hysteresis in Magnetism for Physicists, Materials Scientists and Engineers , Academic Press , San Diego , 1998 68. Bertotti G. , Physical Interpretation of Eddy Current Losses in Ferromagnetic...