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induction heat treating

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050025
EISBN: 978-1-62708-311-9
... Abstract This chapter discusses the basic components in an induction heat treating system. It describes the design and operating characteristics of power supplies, load-matching transformers, tuning capacitors, power regulators, controllers, process monitors, and diagnostic systems. It also...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050215
EISBN: 978-1-62708-311-9
... hardness (at 1.5 mm, or 1 16 in.) is a good indication of the surface hardness to which an alloy with a good prior microstructure will quench. Chapter 5, “Heat Treating Basics,” in this book discusses in detail that the best prior microstructure for induction hardening is the microstructure...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050301
EISBN: 978-1-62708-311-9
... Abstract This appendix is a glossary of terms related to induction heat treating. induction heat treating Copyright © 2015 ASM International® All rights reserved 1appendix www.asminternational.org Metallurgical Definitions for Induction Heat Treating A alternating current (ac...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.9781627083119
EISBN: 978-1-62708-311-9
Image
Published: 01 August 2015
Fig. 3.1 Elements of an induction heat-treating system. Source: Ref 1 More
Image
Published: 01 August 2015
Fig. 12.6 Laboratory procedures for etching in induction heat treating. Source: Ref 6 More
Image
Published: 01 August 2015
Fig. 3.2 Induction heat-treat power supply basic diagram. ac: alternating current; dc: direct current. Source: Ref 2 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050191
EISBN: 978-1-62708-311-9
... Abstract Induction heat treating is used in a wide range of applications. Typical uses, as described in this chapter, include the surface hardening of many types of shafts as well as gears and sprockets and the through-hardening of gripping teeth, cutting edges, and impact zones incorporated...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050001
EISBN: 978-1-62708-311-9
... Abstract This chapter provides a brief review of the scientific and technological developments leading to the widespread use of induction heat treating and its many applications in industry. induction heating THIS CHAPTER includes a brief history of metallurgy, followed...
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
... Abstract This chapter discusses quality control programs and procedures for induction heat-treating systems and includes related forms and checklists. induction hardening quality control EFFECTIVE SYSTEMS of quality control/quality assurance are essential for modern-day heat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050009
EISBN: 978-1-62708-311-9
... the area of the intense magnetic fields. Fig. 2.1 Induction coils with electromagnetic fields. OD: outside diameter; ID: inside diameter. Source: Ref 1 Induction heat treating involves heating a workpiece from room temperature to a higher temperature, such as is required for induction...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050139
EISBN: 978-1-62708-311-9
... Abstract This chapter discusses the quenching process and its adaptation to induction heat treating. It describes the three stages of quenching, the cooling characteristics of various types of quenchants, and the details of nearly a dozen compatible quenching methods. It also explains how...
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...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050093
EISBN: 978-1-62708-311-9
... grain size hardenability residual stress THE INTENT OF this chapter is to provide the basic metallurgical theory necessary to understand the induction heat-treating practice. Heat treating is the treatment of metals by heating and cooling in a prescribed manner so as to obtain specific conditions...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050343
EISBN: 978-1-62708-311-9
... for 4150 steel. Tempered 1 h at heat; as quenched, 62 HRC at 120 °C (250 °F). Source: Ref 1 Fig. A5.5 Tempering curve for E52100 steel: average based on a fully quenched structure. Source: Ref 2 References References 1. Haimbaugh R.E. , Induction Heat Treating Corp...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050175
EISBN: 978-1-62708-311-9
... decarburization and the increase in surface hardness, with hardness readings taken from the surface inward. Figure 9.1(c) shows the completely ferritic surface layer in a commercial 1.0% carbon strip in the austenitized and quenched condition. From an induction heat-treating viewpoint, any time plate or strip...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050173
EISBN: 978-1-62708-311-9
... be needed to produce the finished part. Some induction heat-treating processes use protective atmospheres to prevent scale formation. The protection involves preventing the oxygen from contacting the surface of the part being heated and quenched. Processes with atmospheres that are potentially explosive...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050313
EISBN: 978-1-62708-311-9
... indicated. This power is approximately 25% less than the power input to the machine, because of losses within the machine. (c) At the operating frequency of the inductor. Source: Ref 3 References References 1. Haimbaugh R.E. , Induction Heat Treating Corp. , personal communication...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050317
EISBN: 978-1-62708-311-9
... most of the common coils without any difficulty. If a new application is involved, design of the induction coil starts with the analysis of the workpiece and production requirements, as discussed in Chapter 11, “Induction Heat Treating Process Analysis,” in this Volume, with a suitable frequency...
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
... with typical applications such as heating the outsides of workpieces. The number of turns depends on the load-matching characteristics of the power supply (as discussed in Chapter 3, “Induction Heat Treating Systems,” in this book), the heat treating pattern required, and the process requirements. Workpieces...