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eddy current inspection model

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500301
EISBN: 978-1-62708-317-1
... to detect the thickness of the part. Eddy current sensors consist of an electric coil carrying an alternating current. When a part to be inspected is brought near this coil, the alternating current in the coil causes eddy currents to flow in the metallic part as a result of electromagnetic induction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220143
EISBN: 978-1-62708-341-6
... techniques are currently under development and may find some use in the future. These methods include those based on ultrasonics, eddy-current detection, and real-time measurement of coil current or impedance during induction heating. Each of these is briefly discussed below. Ultrasonic Methods...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060149
EISBN: 978-1-62708-261-7
... and magnetic particle testing account for about one-half of all NDT, ultrasonic inspection methods and x-ray methods account for about another third, eddy current testing about 10%, and all other methods total only about 2% ( Ref 7.11 ). Table 7.2 is a simplified breakdown of the complexity and relative...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030360
EISBN: 978-1-62708-282-2
... Monitoring Long-Range Ultrasonics Internal Rotary Inspection System Electronic Magnetic Transducer Time-of-Flight Diffraction Conventional Radiographic Inspection Recent Developments in Radiography Dye Penetrant Inspection Magnetic Particle Inspection Eddy-Current Inspection...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720365
EISBN: 978-1-62708-305-8
... commonly used to detect these flaws include visual, magnetic particle, liquid penetrant, ultrasonic, eddy current, and radiographic inspection. This chapter provides a detailed discussion on the characteristics, process steps, applications, advantages, and limitations of these methods. It also describes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430409
EISBN: 978-1-62708-253-2
..., radiography, magnetic particle inspection, dye penetrant testing, in situ replication and metallography, eddy current testing, fibroscopy, acoustic emission, positive material identification, hardness and microhardness measurement, flattening testing, microstructural evaluation, and accelerated creep tests...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440243
EISBN: 978-1-62708-262-4
... and economically analyzed to allow for rapid response to problems that may be identified. For these reasons, hardness checks, ultrasonic or eddy current scanning, and dimensional checks are widely used. A sampling procedure should be established according to sound SQC principles. This will give confidence that all...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.tb.cub.t66910427
EISBN: 978-1-62708-250-1
... not be taken out of service. There are many techniques in this category, including visual inspection (e.g., borescopes or other optical enhancement devices), eddy current inspection, radiography, ultrasonic thickness measurements, infrared thermography, magnetic particle inspection, and liquidpenetrant...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050215
EISBN: 978-1-62708-311-9
...: Ref 1 Fig. 11.5 Cross-hole overheating: eddy-current distribution and heat nonuniformities due to presence of transverse holes. (a) Transverse hole, no plug. (b) Carbon steel part and carbon steel plug. (c) Carbon steel part and copper plug. (d) Multiholed part, no plugs. Source: Ref 5...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2006
DOI: 10.31399/asm.tb.cw.t51820203
EISBN: 978-1-62708-339-3
.... Intergranular corrosion is also known as intergranular attack (IGA). End-grain attack, grain dropping , and “sugaring” are additional terms that are sometimes used to describe IGC. Different nondestructive testing (NDT) techniques like ultrasonic, eddy current, radiography, acoustic emission...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.scm.t52870307
EISBN: 978-1-62708-314-0
... Fig. 11.18 Fastener installation defects Fig. 11.19 Installation of the Hi-Lok fastener. Source: Ref 4 Fig. 11.20 Installation of the pull-type Lockbolt. Source: Ref 4 Fig. 11.21 Eddie-bolt positive lock fastener. Source: Refs 4 , 5 Fig. 11.24 Blind...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140047
EISBN: 978-1-62708-335-5
... is highly energy efficient and effective for melting fines and poor-quality scrap, but electromagnetically induced eddy currents result in high levels of entrained oxides. The prevention of inclusions is the product of equipment and practices that minimize oxidation, avoid entrainment, and effectively...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130417
EISBN: 978-1-62708-284-6
... select the optimal synergetic effects between the input electric energy and the interdependence between the induction coil and the workpiece surface, connected with the occurrence of eddy currents in the workpiece surface layer that leads to heating. Due to complex synergetic effects in induction heating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490001
EISBN: 978-1-62708-340-9
... inspection, dye-penetrant inspection, ultrasonic examination, x-ray radiography, and eddy-current testing apply to crack detection and sizing in region II. In region II, the crack grows until it reaches critical size, defined as a c , at which point rapid fracture occurs. Fig. 1.9. Illustration...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490265
EISBN: 978-1-62708-340-9
... been investigated in recent years ( Ref 52 to 55 ). Of these, eddy-current examination, analytical electron microscopy, and secondary ion mass spectroscopy (SIMS) have been unsuccessful. Compositional correlations, Auger electron spectroscopy, chemical etching, electrochemical polarization, and use...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.htpa.t53310067
EISBN: 978-1-62708-346-1
... as short as possible, made sure that the measurement point of the velocity was close to the test surface, and used the centrifugal force of a spring to accelerate the impact body. He even took magnetic or eddy current influences into account. Of utmost importance for the HL value is the impact body...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130395
EISBN: 978-1-62708-284-6
..., which in turn results in generation of electric current depending on the geometry, the frequency, and the electrical characteristics of the workpiece. The induced current, termed eddy current, generates heat that makes it amenable for use in many different heating applications, of which the induction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.horfi.t51180151
EISBN: 978-1-62708-256-3
... – 11 Service History Photographic Records Samples Abnormal Conditions Magnetic-Particle Inspection Liquid-Penetrant Inspection Ultrasonic Inspection Radiography Residual Stress Analysis Equipment and Operation Analysis of Surfaces and Deposits Spot Testing 12...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130043
EISBN: 978-1-62708-284-6
... of the limitations must be understood prior to application to a part. Eddy-current methods depend on the principle that all metals conduct electricity. An alternating current is applied, and eddy currents occur by electromagnetic induction. Cracks or other flaws cause distortions in the electromagnetic fields...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110335
EISBN: 978-1-62708-247-1
... with which the ions land on the sample surface. Beam Current The number of ions per unit time, impinging on the sample surface Aperture diameter: Size of the selected aperture in the column defines the flux of ions that reaches the sample. Smaller apertures correspond to smaller beam currents...