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eddy-current instruments

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720345
EISBN: 978-1-62708-305-8
... portions of the tube that are genuinely critical in its ultimate application are the ends. Unfortunately, with many nondestructive testing instruments, specific problems arise when inspection of the ends is required. End effect is encountered with the eddy current, ultrasonic, and radiographic methods...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720183
EISBN: 978-1-62708-305-8
... arrangement. Source: Ref 3 Fig. 25 Four types of eddy current instruments. (a) A simple arrangement, in which voltage across the coil is monitored. (b) Typical impedance bridge. (c) Impedance bridge with dual coils. (d) Impedance bridge with dual coils and a reference sample in the second coil...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050245
EISBN: 978-1-62708-311-9
... Testing Microhardness Testing Microstructures Magnetic Particle Inspection Spray-on and Liquid Penetrants Ultrasonic Inspection Eddy-Current Instruments Radiographic Inspection Workpiece Preparation for Surface Testing Decarburization as a Source of Error Minimum Case-Depth...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220143
EISBN: 978-1-62708-341-6
...<xref ref-type="fn" rid="t65220143-fn6">[6]</xref> Eddy-Current Techniques Coil-Current Monitoring Load-Signature Analysis Many single-shot induction heating applications, such as preheating and heat treating, involve heating to a given temperature prior to further processing. The requirements of the temperature-sensing...
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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720321
EISBN: 978-1-62708-305-8
... penetrant inspection, ultrasonic inspection, and electromagnetic inspection. Eddy current and magnetic permeability are also covered. electromagnetic inspection eddy current system flaws liquid penetrant inspection magnetic particle inspection steel bar steel wire ultrasonic inspection visual...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500301
EISBN: 978-1-62708-317-1
... crashes, how acoustic emission, ultrasonic, and eddy current sensors detect tool breakage and part defects such as cracks, and how roller ball and optical sensors measure material flow. It also discusses the role of draw-in, wrinkle, oil-monitoring, and vision sensors and explains how material properties...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060149
EISBN: 978-1-62708-261-7
...Relative uses and merits of various nondestructive testing methods Table 7.2 Relative uses and merits of various nondestructive testing methods Parameter Test method Ultrasonics X-ray Eddy current Magnetic particle Liquid penetrant Capital cost Medium to high High Low...
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 October 2005
DOI: 10.31399/asm.tb.faesmch.t51270019
EISBN: 978-1-62708-301-0
... Magnetic Particle Testing Eddy Current Inspection Radiography Using x-rays, γ-rays, and Neutrons Ultrasonic Inspection In addition to these conventional NDE techniques, there are certain other techniques that are employed under special circumstances. Acoustic Emission Computed Tomography...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030360
EISBN: 978-1-62708-282-2
.... , Engineering Equipment Manufacturers and Users Association EEMUA 159 , 2003 Data Acquisition Reporting and Trending Review and Audit Dye Penetrant Inspection Magnetic Particle Inspection Eddy-Current Inspection Acoustic Emission Inspection Magnetic Flux Leakage Pulsed Eddy-Current...
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...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240303
EISBN: 978-1-62708-251-8
... to realign during each cycle, dipole friction can produce heat. Another source of energy loss is through electrical eddy currents that can be induced and consequent Joule heating ( I 2 R ). Eddy current losses can be minimized by using magnetic materials with a high resistivity. Fig. 17.15 Process...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.t62860163
EISBN: 978-1-62708-348-5
.... B. (1959) . Eddy current method for measuring the resistivity of metals. J. Appl. Phys . 30 , 1976 – 1980 . 10.1063/1.1735100 Betts D. S. (1976) . Refrigeration and Thermometry below One Kelvin . Sussex University Press/Crane, Russak &amp; Co. , New York . 10.1016/0011-2275...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870333
EISBN: 978-1-62708-314-0
..., such as the Mobile Automated Ultrasonic Scanning (MAUS) system shown in Fig. 12.10 , can conduct multiple types of inspection, including ultrasonics (through transmission, pulse echo, shear wave), bond tests (resonance, pitch/catch, mechanical impedance) and eddy current (single and dual frequency). Summary...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1983
DOI: 10.31399/asm.tb.mlt.t62860203
EISBN: 978-1-62708-348-5
... or a temperature-controlled cryostat. Both of these options are discussed in Chapter 5 . Some ac techniques applied to pure metals are bothered by greatly increased eddy current effects at low temperatures. Also, the low specific heat of most materials can result in unexpectedly large temperature excursions...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910427
EISBN: 978-1-62708-250-1
... jobs can be contracted out at fairly low cost. Frequent Eddy-current testing Uses a magnetic probe to scan surface Detects surface defects, such as pits and cracks, with basic instrumentation of only moderate cost Frequent Infrared imaging (thermography) Spot surface temperatures or surface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910475
EISBN: 978-1-62708-250-1
... corrosion products/films, etc., making subsequent chemical identification impossible. B.5 Eddy-current inspection Detection of cracks or defects and thickness of coatings, which cause variation in eddy currents induced by an applied alternating magnetic field General incidence/extent of cracks...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870191
EISBN: 978-1-62708-299-0
... Ultrasonics Thickness of metal and presence of cracks, pits, etc. by changes in response to ultrasonic waves Widely used for metal thickness and crack detection. Instrumentation is moderately expensive, but simple jobs can be contracted out at fairly low cost. Frequent Eddy-current testing Uses...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610549
EISBN: 978-1-62708-303-4
... , 2002 10.31399/asm.hb.v11.a0003500 • Wulpi D.J. , Understanding How Components Fail , 2nd ed. , ASM International , 1999 Magnetic-Particle Inspection Liquid Penetrant Inspection Ultrasonic Inspection Methods Radiography Eddy-Current Inspection Residual-Stress...