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eddy-current testing

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Published: 15 January 2021
Fig. 8 General schematic of eddy-current testing (ET) method. Source: Ref 21 More
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Published: 30 June 2023
Fig. 21 Eddy current testing in-process inspection system comprised of the acquisition electronics and two sensors mounted on the recoater of a laser powder-bed fusion machine. Courtesy of AMiquam SA More
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Published: 30 June 2023
Fig. 24 Illustration of an eddy current testing (ECT) in-process inspection and corresponding data acquired during the fabrication of five 316L stainless steel samples with different relative densities. PBF-LB/M, metal laser powder-bed fusion More
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Published: 01 January 1993
Fig. 3 Eddy-current test instrument with vector point display More
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Published: 01 January 2006
Fig. 21 Principle of eddy current material testing. Source: Ref 2 , 26 More
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Published: 01 August 2018
Fig. 24 Eddy current inspection for hardness testing of PM wedges at 10,000 parts/h. Source: Ref 20 More
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003234
EISBN: 978-1-62708-199-3
...-off and fill factors, edge effect, and skin effect. It further describes different aspects of eddy current testing such as the selection of inspection frequencies and the types and configurations of inspection coils. The article also deals with the eddy current instrumentation and the discontinuities...
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: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001473
EISBN: 978-1-62708-173-3
... Abstract This article describes the applications, methods, and limitations of five principal nondestructive test methods, namely, penetrant testing, magnetic-particle testing, eddy current testing, radiographic testing, and ultrasonic testing. The article also provides guidance for the method...
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
... testing methods, namely, magnetic particle testing, ultrasonic testing, and eddy current testing to evaluate induction-hardened components. case depth frequency induction hardening inductors inspection nondestructive testing quenching surface hardness evaluation Introduction Metals...
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
... of detecting surface discontinuities by magnetic-particle inspection, liquid penetrant inspection, and eddy-current testing. The major NDE methods for internal (volumetric) inspection in failure analysis also are described. eddy-current testing liquid penetrant inspection magnetic-particle inspection...
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
..., radiography, X-ray computed tomography, thermography, low-frequency vibration methods, acoustic emission, eddy current testing, optical holography, and shearography. The article presents some examples are for fiber-reinforced polymer-matrix composites. Many of the techniques have general applicability...
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Published: 01 December 1998
Fig. 13 Several fabricated discontinuities used as reference standards in eddy-current inspection. ASTM standards for eddy-current testing include E 215 (aluminum alloy tube), E 376 (measurement of coating thickness), E 243 (copper and copper alloy tube), E 566 (ferrous metal sorting), E 571 More
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Published: 01 August 2018
Fig. 5 Test head of the eddy-current inspection unit shown in Fig. 4 A, orifice for test pipe or tube; B, one of eight paint-spray guns for marking; C, reference-standard testpiece More
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0007023
EISBN: 978-1-62708-439-0
... technique Acoustic emission testing Time-of-flight diffraction Nonlinear acoustic Eddy current testing … X-ray backscatter Radiographic testing … Neutron imaging Magnetic particle inspection … X-ray synchrotron Penetrant testing … Process-compensated resonance testing...
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
... systems for eddy-current inspection. Several artificial imperfections in metals were tried for calibrating tests, but by 1935 the small drilled hole had become the reference standard for all production testing. The drilled hole was selected for the standard because: It was relatively easy...
Series: ASM Handbook
Volume: 14B
Publisher: ASM International
Published: 01 January 2006
DOI: 10.31399/asm.hb.v14b.a0009152
EISBN: 978-1-62708-186-3
.... Conventionally, material formability is determined through destructive methods, such as tensile test and bulge test. Nondestructive methods, such as eddy current testing, avoid this problem. Furthermore, these methods can be used online without disturbing the production rate as well as make it possible...
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
... allows NDE device measurement of wall thickness (Section 10.13.4) and requires NDE inspection to be full body, full length for most pipe grades (with options for ultrasonic, flux-leakage, eddy-current, and magnetic-particle testing, depending on the grade and specification level). Individual NDE...
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
... of readout but also can mark the location of the flaw on the bar before it emerges from the inspection equipment and can automatically sort the bars on the basis of seam depth. Eddy-Current Testing of Cold-Drawn Bars (<xref rid="a0006467-ref1" ref-type="bibr">Ref 1</xref>) Surface defects on cold...
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...