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eddy current inspection

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720183
EISBN: 978-1-62708-305-8
...Abstract Abstract Liquid penetrant, magnetic particle, and eddy current inspection are used to detect surface flaws. This chapter is a detailed account of the physical principles, process description, equipment requirements, selection criteria, advantages, limitations, and applications...
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Published: 01 April 2013
Fig. 17 Principal elements of a typical system for eddy current inspection of bar or tubing. See description in text. Source: Ref 3 More
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Published: 01 April 2013
Fig. 23 Types and applications of coils used in eddy current inspection. (a) Probe type coil applied to a flat plate for crack detection. (b) Horseshoe shape, or U-shape, coil applied to a flat plate for laminar flaw detection. (c) Encircling coil applied to a tube. (d) Internal, or bobbin type More
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Published: 01 April 2013
Fig. 24 Multiple coils used in eddy current inspection. (a) Absolute coil arrangement. (b) Differential coil arrangement. Source: Ref 3 More
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Published: 01 April 2013
Fig. 5 Unit used for the probe type eddy current inspection of seamless steel tubing; A, outer cover, containing test head, in open position; B, one of four rotating eddy current probe coils; C, reference standard test piece in position for calibration; D, one of eight paint spray guns More
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Published: 01 April 2013
Fig. 6 Test head of the eddy current inspection unit shown in Fig. 5 ; A, orifice for test pipe or tube; B, one of eight paint spray guns for marking; C, reference standard test piece. Source: Ref 1 More
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Published: 01 April 2013
Fig. 10 Two common types of inspection coils and the patterns of eddy current flow generated by the exciting current in the coils. Solenoid type coil is applied to cylindrical or tubular parts; pancake type coil, to a flat surface. Source: Ref 11 More
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Published: 01 April 2013
Fig. 15 Two common types of inspection coils and the patterns of eddy current flow generated by the exciting current in the coils. (a) Solenoid type coil is applied to cylindrical or tubular parts. (b) Pancake type coil applied to a flat surface. Source: Ref 3 More
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Published: 01 April 2013
Fig. 8 Coil assembly for the inspection of steel bars by the eddy current system. Dimensions in inches. Source: Ref 1 More
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Published: 01 August 2015
Fig. 12.5 Inspection coil configurations for eddy-current testing, depending on the specimen shape. (a) A flat surface is normally examined by a flat, pancake-type coil. (b) A cylindrical specimen is examined using an encircling coil. (c) The interior of a tube can be examined by an inside More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720345
EISBN: 978-1-62708-305-8
...Abstract Abstract Wrought tubular products are nondestructively inspected chiefly by eddy current techniques (including the magnetic flux leakage technique) and by ultrasonic techniques. The methods discussed in this chapter include eddy current inspection, flux leakage inspection, ultrasonic...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720293
EISBN: 978-1-62708-305-8
..., and dimensional inspection. Casting defects including porosity, oxide films, inclusions, hot tears, metal penetration, and surface defects are reviewed. Liquid penetrant inspection, magnetic particle inspection, eddy current inspection, radiographic inspection, ultrasonic inspection, and leak testing for castings...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720001
EISBN: 978-1-62708-305-8
.... The nondestructive testing methods discussed are liquid penetrant inspection, magnetic particle inspection, eddy current inspection, radiographic inspection, and ultrasonic testing. chemical analysis coordinate measuring machines hardness testing machine vision metallography nondestructive testing...
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Published: 01 April 2013
Fig. 27 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 January 1998
Fig. 3-13 Combination drawing line for automatic drawing, straightening, eddy-current inspection, and cutting to length. Courtesy of Allvac More
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Published: 01 April 2013
Fig. 22 Standard depths of penetration as a function of frequencies used in eddy current inspection for several metals of various electrical conductivities. Source: Ref 3 More
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Published: 01 October 2011
Fig. 16.21 Axial cracks in a failed boiler tube from a nuclear power plant. The cracks were detected by nondestructive eddy current inspection. (a) and (b) show the same fracture surface as (a) a SEM backscatter electron image and (b) an optical microscope image. Courtesy of Marcus Brown, NDE More
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Published: 01 April 2013
Fig. 2 Mating fracture surfaces of pipe or tube welds showing imperfections detectable by eddy current inspection, (a) unwelded spot (diagonal arrows) and a nonpenetrating pinhole (horizontal arrows); (b) unwelded spots, probably caused by entrapped foreign matter; (c) surface crack in weld More
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Published: 01 April 2013
Fig. 15 Schematic of eddy current flaw detection system used to inspect sheared bolt illustrated in Fig. 14 . Source: Ref 2 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720411
EISBN: 978-1-62708-305-8
... of nondestructive inspection of weldments including visual inspection, liquid penetrant inspection, magnetic particle inspection, radiographic inspection, ultrasonic inspection, leak testing, and eddy current and electric current perturbation inspection. The chapter also describes the properties of brazing filler...