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electromagnetic signal

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720321
EISBN: 978-1-62708-305-8
... 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 inspection...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2012
DOI: 10.31399/asm.tb.smfpa.t53500301
EISBN: 978-1-62708-317-1
... are available. The sensor may be used to display the peak force during each cycle and may be connected to an alarm that gives a signal when this peak force exceeds the preset limit. In other cases, the complete force signature is monitored and displayed, providing additional information to the operator. Force...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720183
EISBN: 978-1-62708-305-8
... and imperfections detrimental to part use and function have not developed during processing. Eddy current inspection is based on the principles of electromagnetic induction and is used to identify or differentiate a wide variety of physical, structural, and metallurgical...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720233
EISBN: 978-1-62708-305-8
.... Three primary attenuation processes of electromagnetic radiation, namely photoelectric effect, Compton scattering, and pair production, are covered. The chapter then discusses the principles of shadow formation, the process involved in the conversion of radiation into a form suitable for observation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720345
EISBN: 978-1-62708-305-8
..., magnetizing the tube in a circumferential direction. The magnetic flux is diverted by the longitudinal component of any flaws in its path. The probe, moving through the diverted flux, generates a signal roughly proportional to the size of the flaw. On a longitudinal welded seam, an electromagnet with pole...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220143
EISBN: 978-1-62708-341-6
... nondestructive inspection (NDI) methods and process simulation on computers. The first of these includes electromagnetic sorting of induction surface hardened parts, and lends itself readily to real-time control as well. Process simulation of induction heating is useful in the design stage as well...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440085
EISBN: 978-1-62708-262-4
... point. Direct oxygen or dew point monitoring devices are also often used for applications such as bell furnace annealing. The oxygen probe is an in situ type device; that is, it directly samples the atmosphere being measured. The electrical signal generated by an oxygen probe is directly...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110209
EISBN: 978-1-62708-247-1
... of energies. However, the energy of an electromagnetic wave is quantized in units of hν . The theory of energy quantization led Max Planck to the correct equation to describe the blackbody radiation spectrum R T (ν) =  8πν 2 c 3 ⋅ hν e hν kT −1 dν...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720139
EISBN: 978-1-62708-305-8
... by the sample. How much of each element is present can be deduced from the numbers of photons with energies characteristic of the various elements. The characteristic energies emitted as excited atoms relax span a range of the electromagnetic spectrum. Electronic transitions between inner shells typically...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110244
EISBN: 978-1-62708-247-1
.... References [1] Patent US 4758092 , A Method and Means for Optical Detection of Charge Density Modulation in a Semiconductor ( 1988 ) [2] Heinrich Harley K. , “ A Noninvasive Optical Probe for Detecting Electrical Signals in Silicon Integrated Circuits ”, Ph.D. Dissertation, Stanford University...
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
... properties, are being determined. Applications of eddy current and electromagnetic methods of inspection to castings can be divided into the following three categories: Detecting near-surface flaws such as cracks, voids, inclusions, blowholes, and pinholes (eddy current inspection) Sorting...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110144
EISBN: 978-1-62708-247-1
... Circuit Analysis ,” 3rd Edition McGraw-Hill , p. 146 , 1971 [12] William H. Hayt, Jr. , “ Engineering Electromagnetics ,” 4th Edition McGraw-Hill , p. 163 , 1981 . [13] http://www.circuitnet.com/experts/59891.shtml (DI water resistivity). Additional References...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.cfap.t69780383
EISBN: 978-1-62708-281-5
... circuit chip solder pad failure surface When an electron beam strikes a solid surface, electrons and x-rays are emitted from the surface. The energy distribution of these signals is shown qualitatively in Fig. 3 . Electromagnetic radiation with energies lower than x-rays is also emitted...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220253
EISBN: 978-1-62708-341-6
... indexing device that has nearly zero blacklash. It has better accuracy and acceleration characteristics than the Geneva driver. If the required heating time is to be longer than the dwell time of the constantly turning indexing cam, an electromagnetic clutch should be used in conjunction...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720267
EISBN: 978-1-62708-305-8
... for signal conditioning, gating, automatic interpretation, and integration with a mechanical or electronic scanning system. Also, advances in microprocessor technology have extended the data acquisition and signal processing capabilities of ultrasonic inspection systems. In most instances, the entire...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.fibtca.t52430107
EISBN: 978-1-62708-253-2
... with a final probe diameter as small as about 10 Å is produced by heating a filament made up of tungsten or single-crystal lanthanum hexaboride (LaB 6 ). The beam is accelerated to a potential of 5–50 KV and is focused on the sample surface using a set of electromagnetic lenses. Figure 5.10 shows...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2013
DOI: 10.31399/asm.tb.imub.t53720411
EISBN: 978-1-62708-305-8
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110111
EISBN: 978-1-62708-247-1
... Methods in Electromagnetism . Academic Press , 2000 . [16] Weinstock H , editor. SQUID Sensors: Fundamentals, Fabrication and Applications . Kluwer Academic Publishers , 1996 . 10.1007/978-94-011-5674-5 [17] Wellstood F. C. , Matthews J. , and Chatraphorn S...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060149
EISBN: 978-1-62708-261-7
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110413
EISBN: 978-1-62708-247-1
... the image quality. ESEM really came of age with the development of Gaseous Detection Devices capable of indirectly detecting secondary electrons at high pressure. The secondary electrons cause ionization in the gas and the gas ions are then collected and counted to produce the image signal. As the gas...