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Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220047
EISBN: 978-1-62708-341-6
... Abstract Besides the induction coil and workpiece, the induction generator (source of ac power) is probably the most important component of an overall induction heating system. Such equipment is typically rated in terms of its frequency and maximum output power (in kilowatts). This chapter...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290079
EISBN: 978-1-62708-306-5
... Abstract This chapter discusses the fusion welding processes, namely oxyfuel gas welding, oxyacetylene braze welding, stud welding (stud arc welding and capacitor discharge stud welding), high-frequency welding, electron beam welding, laser beam welding, hybrid laser arc welding, and thermit...
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
... Abstract Ultrasonic inspection is a nondestructive method in which beams of high frequency acoustic energy are introduced into a material to detect surface and subsurface flaws, to measure the thickness of the material, and to measure the distance to a flaw. This chapter begins with an overview...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110132
EISBN: 978-1-62708-247-1
... review of conventional TDR and its application limitations to advanced packages in semiconductor industry. The article introduces electro optical terahertz pulse reflectometry (EOTPR) and discusses how its improvements of using high frequency impulse signal addressed application challenges and quickly...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110244
EISBN: 978-1-62708-247-1
... theory, providing information on electro-optical effects and free-carrier effects. It then focuses on commercially available continuous wave LVP systems. Alternative optoelectronic imaging and probing technologies for fault isolation, namely frequency mapping and laser voltage tracing, are also discussed...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2019
DOI: 10.31399/asm.tb.mfadr7.t91110643
EISBN: 978-1-62708-247-1
... common analog functions, namely phase-locked loop, serializer-deserializer, analog/digital converters, and radio frequency. Lastly, the challenges of creating BIST for analog functions are summarized, along with seven principles that must be exploited to meet these challenges. These principles show how...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050009
EISBN: 978-1-62708-311-9
... tend to be confined to the outer surface of the workpiece, a phenomenon known as the skin effect. The chapter includes several data plots showing how the depth of heating varies with frequency and how heating time, power density, and thermal conduction rate correspond with hardening depth...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050057
EISBN: 978-1-62708-311-9
... or transverse, of the associated magnetic flux. It then discusses the factors that influence coil design and selection, including coupling efficiency, frequency, the number and spacing of turns, and the use of flux intensifiers. It also includes images and illustrations of various types of coils and coil...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050215
EISBN: 978-1-62708-311-9
... Abstract This chapters discusses the considerations involved in the qualification and analysis of induction hardening treatments. The discussion covers material selection and prior heat treatment, hardness and case depth, frequency selection, power density and heating time, part and process...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050293
EISBN: 978-1-62708-311-9
... Abstract This chapter discusses the maintenance needs of major components in induction heat-treating systems, including power supplies, heat stations, capacitors, high-frequency output stages, induction coils, water systems, quench systems, and fixturing. induction heating systems...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.tb.sfa.t52780011
EISBN: 978-1-62708-268-6
... cost. It provides information on the use of Pareto analyses from both frequency-of-occurrence and cost perspectives to target specific areas for improvement. hidden factory Pareto analysis NEARLY EVERY ORGANIZATION has experienced “showstopper” system failures, similar to the one described...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1989
DOI: 10.31399/asm.tb.dmlahtc.t60490111
EISBN: 978-1-62708-340-9
..., amplitude, and frequency) and factors such as temperature, material defects, component geometry, and processing history. It provides a detailed overview of the damage mechanisms associated with high-cycle and low-cycle fatigue as well as thermal fatigue, creep-fatigue, and fatigue-crack growth. It also...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220027
EISBN: 978-1-62708-341-6
... properties, and power-supply frequency on the electrical, or coil, efficiency were summarized. With proper designs, coil efficiencies in excess of 90% are readily obtained. However, the over-all system efficiency, defined as the percentage of the electrical energy drawn from the power line that is actually...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220085
EISBN: 978-1-62708-341-6
... (frequency, power rating) and related design considerations are summarized in this chapter. Coil design for the various applications is described in Chapter 8 , and materials-handling details are outlined in Chapter 10 . References 1. Tudbury C. A. , Basics of Induction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220009
EISBN: 978-1-62708-341-6
... which underlie induction heating are best understood with reference to the interactions between the coil and the workpiece; the role of the power supply in this case is taken into account only in terms of the frequency and magnitude of the ac current which it supplies to the coil. By this means...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220185
EISBN: 978-1-62708-341-6
.... References 1. Curtis F. W. , High Frequency Induction Heating , McGraw-Hill , New York , 1950 2. Lozinskii M. G. , Industrial Applications of Induction Heating , Pergamon Press , London , 1969 3. Reinke F. H. and Gowan W. H. , Heat Treatment of Metals , Vol 5...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220001
EISBN: 978-1-62708-341-6
... frequency and rating ensures close control of the heating rate and pattern. A common analogy used to explain the phenomenon of electromagnetic induction makes use of the transformer effect. A transformer consists of two coils placed in close proximity to each other. When a voltage is impressed across...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220241
EISBN: 978-1-62708-341-6
... of being insulators at frequencies below 8 MHz. At extremely high temperatures and high frequencies, these materials can be induction heated, but they first must be brought to these temperatures. Materials for flux concentrators are of two basic types: (1) packages of laminated silicon steel...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220315
EISBN: 978-1-62708-341-6
... • Semiatin S. L. and Stutz D. E. , Induction Heat Treatment of Steel , American Society for Metals , Metals Park, OH , 1986 • Stott J. , Metallurgia and Metal Forming, Vol 44 , No. 5 , May 1977 , p 212 • Udall H. N. , “Energy Saving Through High Frequency...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220281
EISBN: 978-1-62708-341-6
... in the gasket material are closely controlled. The operating frequency of the induction generator is generally 3 to 5 MHz because of the small size of the particles. Since the current through the coil at these high frequencies is not great, the flux field is comparatively weak. The coil must therefore...