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flux concentrators

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220241
EISBN: 978-1-62708-341-6
... Fig. 9.1 Concentrating effect of a permeable core on a magnetic flux field Fig. 9.2 Flux concentrators made from a machinable form of ferrite that are used for induction heating applications Source: R. S. Ruffini and Associates, Inc. Fig. 9.4 Effect of flux-concentrator...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130417
EISBN: 978-1-62708-284-6
... layer and corresponding temperature-diameter diagrams. Source: Ref 15 , 27 Fig. 33 Influence of carbon content on steel hardness after various heat treatments. Source: Ref 15 , 27 Fig. 23 Current distribution in an inductor without/with a magnetic flux concentrator and its...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050317
EISBN: 978-1-62708-311-9
... >37.5 >1.50 3.13 to 3.9 0.125 to 0.156 Source: Ref 1 Comparison of selected features of magnetic flux concentrators that affect their longevity Table A3.6 Comparison of selected features of magnetic flux concentrators that affect their longevity Property or characteristic...
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
.... 4.51 Special bevel gear inductor. Source Ref 12 Fig. 4.35 Split-return coil. (a) Return offset. (b) Return in center, flux concentrator between turns, quench pads on the outside. Source: Ref 12 Fig. 4.36 Control of heating patterns in two different regions of a (a) workpiece...
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
... the holes the bolts must be carefully torqued according to the manufacturer’s instructions. Many induction coils are low maintenance, particularly the coils that are used on lower power densities and those without magnetic flux concentrators. If any leaks develop, the coils should be removed from...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050263
EISBN: 978-1-62708-311-9
...) Induction process being used Change process (such as static to scan) Coil design being used Change coil design (add flux concentrators, etc.) Source: Ref 1 Remedial actions for nonconformances found of variance in quenched workpieces Table 13.6 Remedial actions for nonconformances found...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050281
EISBN: 978-1-62708-311-9
... system fault 4. Induction coil a. Ground fault b. Coil overheating c. Coil bus, fishtails, quick-connect overheating d. Coil alignment off e. Defective coil (visual) or inspection f. Coil flux concentrator defective 5. Mechanical malfunctions...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050215
EISBN: 978-1-62708-311-9
... tend to through heat. Lower frequencies can be used to heat hollow parts than are required for solid parts of the same diameter. Coil design is discussed in Chapter 4, “Induction Coils,” in this book. Different designs of coils, particularly if magnetic flux concentrators are used, operate...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220085
EISBN: 978-1-62708-341-6
... thicknesses up to 0.50 cm (0.20 in.), 3000 Hz for thicknesses between 0.32 and 0.95 cm (0.12 and 0.38 in.), and 1000 Hz for thicknesses over 0.95 cm (0.38 in.). Localized heating through the thickness of the entire HAZ is provided by means of a split-return coil and flux concentrator in the form...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240063
EISBN: 978-1-62708-251-8
... to the fcc structure (0.74) allows easier diffusion in the bcc lattice. Various mechanisms have been proposed to explain substitutional diffusion. Direct Exchange Zener Ring Vacancy Fick’s first law states that in a solution with a concentration gradient, there will be a net flux of atoms...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220185
EISBN: 978-1-62708-341-6
... Flux Diverters “Balancing” of Multiplace Coils Master Work Coils and Coil Inserts Coils for Induction Scanners Split Coils Concentrator Coils Butterfly Coils Split-Return Inductors Tapped Coils Transverse-Flux Coils Series/Parallel Coil Construction Tuning Stubs...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140047
EISBN: 978-1-62708-335-5
... concentrations by diffusion into bubbles of the fluxing gas corresponding to the partial pressure of hydrogen in the fluxing gas. Spinning-rotor techniques have been developed that provide more intimate mixing, efficient gas-metal reactions, and shorter reaction times to achieve low hydrogen levels. The use...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2017
DOI: 10.31399/asm.tb.sccmpe2.t55090191
EISBN: 978-1-62708-266-2
... to IASCC. Thus, other factors must be important in PWRs, including the borated-lithiated water chemistry additives, the generally higher temperatures and fluxes, and the possibility of localized boiling and thermal concentration cells in crevices from γ heating, which, coupled with the borated-lithiated...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440103
EISBN: 978-1-62708-352-2
... with flux generally benefits from a protective atmosphere (unless the atmosphere detrimentally affects the chemistry of the fluxing action), because the flux has to work less to protect the substrate and filler from oxidation. The effect of different concentrations of oxygen on the results obtained...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230105
EISBN: 978-1-62708-351-5
..., cast iron Fair Titanium, zirconium, beryllium, graphite, ceramics Difficult Selected self-fluxing alloys based on copper-(silver)-phosphorus and their melting ranges Table 3.5 Selected self-fluxing alloys based on copper-(silver)-phosphorus and their melting ranges Composition...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.tb.aacppa.t51140039
EISBN: 978-1-62708-335-5
... in hypoeutectic alloys. Phosphorus-treated melts can be solidified and remelted without loss of refinement. Primary silicon particle size increases gradually with time as phosphorus concentration decreases. Gas fluxing accelerates phosphorus loss when chlorine or other reactive gases are used. Brief inert gas...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 April 2004
DOI: 10.31399/asm.tb.ps.t62440001
EISBN: 978-1-62708-352-2
...., the nature of any oxides or other coatings, surface roughness, etc.) and the temperature gradients that develop during the joining operation, as well as the metallurgical reactions involving the filler and parent materials and also the chemical reactions with fluxes, where these are used. Another key...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.pb.t51230143
EISBN: 978-1-62708-351-5
... (0.001–0.004) Aluminum-base 0.12–0.75 (0.005–0.03) Self fluxing, Cu-base 0.03–0.13 (0.001–0.005) Self-fluxing, Nickel-base 0–0.03 (0–0.001) Volume contraction at the freezing point on solidification of selected major and minor constituents of brazes. Of these elements, only silicon...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260119
EISBN: 978-1-62708-336-2
.... It then discusses the influence of casting variables, including pouring temperature and cooling rate, and operating considerations such as the make-up of charge materials, fluxing and degassing procedures, and grain refining. The chapter also provides information on vertical and horizontal casting systems, billet...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2011
DOI: 10.31399/asm.tb.jub.t53290023
EISBN: 978-1-62708-306-5
...Abstract Abstract Arc welding applies to a large and diversified group of welding processes that use an electric arc as the source of heat to melt and join metals. This chapter provides a detailed overview of specific arc welding methods: shielded metal arc welding, flux cored arc welding...