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vacuum induction melting

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Image
Published: 01 June 1988
Fig. 11.26 Two views of a small vacuum induction melting furnace Source: Vacuum Industries, Inc. More
Image
Published: 01 March 2002
Fig. 4.8 Schematic of vacuum induction melting crucible (shell, coil stack, backup lining, and working lining) More
Image
Published: 01 November 2013
Fig. 6 Basic elements of a vacuum induction melting furnace. Source: Ref 5 More
Image
Published: 01 November 2013
Fig. 7 Schematic of vacuum induction melting crucible (shell, coil stack, backup lining, and working lining). Source: Ref 5 More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280041
EISBN: 978-1-62708-267-9
... oxygen decarburization melting, vacuum induction melting, vacuum arc remelting, and electroslag remelting. It also addresses related issues such as consumable remelt quality, control anomalies, melt pool characteristics, and melt-related defects, and includes a section that discusses the processes...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 July 2009
DOI: 10.31399/asm.tb.bcp.t52230253
EISBN: 978-1-62708-298-3
... vacuum induction melting, vacuum arc melting, and electron beam melting, and some of the ways they have been used to cast beryllium alloys. The chapter also includes information on metal purification and grain refinement procedures. beryllium casting grain refinement ingots melting...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740001
EISBN: 978-1-62708-308-9
... induction melting furnaces, and electroslag and vacuum arc remelting furnaces. It also covers casting, rolling, and annealing procedures and describes the basic steps in aluminum and titanium production. primary metal production rolling steel refining A GENERAL DIAGRAM for the production...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220143
EISBN: 978-1-62708-341-6
... controllers and heat-regulating devices. Integration of control functions is illustrated with examples related to heating of steel slabs, surface hardening of steel parts, vacuum induction melting for casting operations, and process optimization for electric-demand control. Distributed control within larger...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 1988
DOI: 10.31399/asm.tb.eihdca.t65220281
EISBN: 978-1-62708-341-6
... systems contain additional air locks so that preheated molds can be introduced into the main chamber, filled with molten material, and then removed, also without breaking the vacuum seal. Fig. 11.26 Two views of a small vacuum induction melting furnace Source: Vacuum Industries, Inc...
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
... Vacuum Induction Melting Ingots Billets Castings “Clean” steels Nickel-base superalloys Titanium alloys As its name implies, induction heating relies on electrical currents that are induced internally in the material to be heated–i.e., the workpiece. These so-called eddy...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060085
EISBN: 978-1-62708-261-7
... techniques as briefly described in this chapter. Melting can be performed using several different processes. Traditional melting methods include (but are certainly not limited to) crucible furnace melting, electric arc furnace (EAF) melting, induction melting, and vacuum induction melting (VIM). Molten...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000001
EISBN: 978-1-62708-313-3
... optimization. In 1952, Falih N. Darmara introduced commercial vacuum melting technology, with the first vacuum-melted alloys beginning to appear in approximately 1955. Both vacuum induction melting (VIM) and vacuum arc re-melting allowed the charge to remain molten for longer periods of time, providing greater...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740047
EISBN: 978-1-62708-308-9
... also operate efficiently in a vacuum and are the primary power supply for vacuum melting. Fig. 13 A cross section of a coreless-type induction furnace showing water-cooled copper induction coil and key structural components. The entire molten metal bath (which serves as the secondary...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2010
DOI: 10.31399/asm.tb.sap.t53000111
EISBN: 978-1-62708-313-3
..., because it causes low-melting-point borides to form at the grain boundaries. Elimination of oxides and nitrides improves forgeability. The use of either vacuum induction or vacuum arc melting is essential for eliminating trace gases. 6.4 Casting Casting is the most desirable shaping process...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350087
EISBN: 978-1-62708-315-7
... Abstract This chapter discusses surface engineering treatments, including flame hardening, induction hardening, high-energy beam hardening, laser melting, and shot peening. It describes the basic implementation of each method, the materials for which they are suited, and their effect on surface...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2002
DOI: 10.31399/asm.tb.stg2.t61280079
EISBN: 978-1-62708-267-9
... Casting Nickel-base and some cobalt-base superalloy remelting stock for investment casting is produced by vacuum induction melting (VIM). Vacuum induction melted heats of superalloys intended for the investment casting process are much smaller in mass than the VIM heats used to produce stock...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200187
EISBN: 978-1-62708-354-6
... Abstract This chapter provides an overview of the types of melting furnaces and refractories for steel casting. It then presents information about arc furnace melting and induction melting cycles. The chapter also describes methods for the removal of phosphorous, the removal of sulfur...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320003
EISBN: 978-1-62708-332-4
... exchanger that operates each of the two cupolas on alternate days. Smaller foundries plan on melting every other day. Cupolas are slowly decreasing in number as the demands for higher-strength irons are increasing. Coreless induction furnaces are replacing them because they have several advantages over...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.tb.hpcspa.t54460173
EISBN: 978-1-62708-285-3
... furnace with controlled atmosphere, an atomizing chamber, and a powder-collection system ( Fig. 6.1 ). All the parts must be vacuum tight. Fig. 6.1 Inert gas atomizer for induction heating with ceramic or graphite crucible. Courtesy of Impact Innovations GmbH Melting of the feedstock can...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.tb.ssde.t52310155
EISBN: 978-1-62708-286-0
... to the less than 10 ppm of oxygen found in aluminum-killed carbon steel. This oxygen precipitates as oxides in the solid state. Vacuum induction melting (VIM) is another method of melting stainless steels. This is a nearly slag-free process, and little refining is possible. Melt purity is largely...