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induction skull melting

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Published: 09 June 2014
Fig. 22 Cold crucible induction skull melting installation More
Image
Published: 09 June 2014
Fig. 23 Inductor crucible induction skull melting installation More
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Published: 09 June 2014
Fig. 24 Principle of the induction skull melting technology using an inductor crucible More
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Published: 01 December 2008
Fig. 3 A 10 kg (22 lb) induction skull melting/casting unit in a vacuum/inert gas chamber More
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Published: 01 December 2008
Fig. 4 Cross section of induction skull melting (ISM) crucible with two different configurations of alternating current (ac) and direct current (dc) coils used in trials. Source: Ref 3 More
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005338
EISBN: 978-1-62708-187-0
... Abstract This article describes typical foundry practices used to commercially produce zirconium castings. The foundry practices are divided into two sections, namely, melting and casting. The article discusses various melting processes, such as vacuum arc skull melting, induction skull melting...
Book Chapter

By G. Keough
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005203
EISBN: 978-1-62708-187-0
... Abstract Skull melting refers to the use of furnaces with water-cooled crucibles that freeze a solid “skull” of material on the crucible wall. This article describes the basic components, operating pressure, advantages, and applications of vacuum arc and induction skull melting furnaces...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005895
EISBN: 978-1-62708-167-2
... such as induction crucible furnaces, channel induction furnaces, and induction furnaces with cold crucible. The article describes the advantages, applications, and fundamental principles of induction skull melting. It also provides information on the various specific application-designed induction melting...
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Published: 09 June 2014
Fig. 2 Induction furnace with cold crucible (IFCC) for skull melting. Source: Ref 2 More
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005907
EISBN: 978-1-62708-167-2
... Abstract This article provides an overview of the models of two induction heating devices, namely, induction crucible furnace (ICF) and induction furnace with slits, or segmented and water-cooled induction furnace with cold crucible (IFCC). These devices are used for melting with skull...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005911
EISBN: 978-1-62708-167-2
... ). This intermediate vessel heats smaller volumes of molten glass by direct heating with induction, to rapidly raise the temperature of the glass to the fining temperature. He includes in the patent that the vessel is cooled to create a solidified layer of the melt on the interior wall (skull) of the vessel, to avoid...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003173
EISBN: 978-1-62708-199-3
..., furnace types, charging practices of metal melting methods, namely induction melting, cupola melting, arc melting, crucible melting, reaction melting, and vacuum melting, and the refractories and charging practice of reverberatory furnaces. Molten metal treatment of steels and aluminum also is discussed...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005205
EISBN: 978-1-62708-187-0
..., and atomizing of reactive metals, titanium, and superalloys. Plasma torches, however, are the only nonconsumable heat sources for melting under high inert gas pressures in skull crucibles. High pressure is an essential requirement for preventing the selective evaporation of alloying elements...
Series: ASM Handbook
Volume: 14A
Publisher: ASM International
Published: 01 January 2005
DOI: 10.31399/asm.hb.v14a.a0004001
EISBN: 978-1-62708-185-6
...-base-silicide, in situ composites have been studied as well, for example, Nb-19Ti-4Hf-13Cr-2Al-4B-16Si ( Ref 31 ). By and large, these materials have been synthesized using techniques such as induction skull melting (ISM) ( Ref 31 ) and cold-crucible directional solidification ( Ref 32 ). Subsequent...
Series: ASM Handbook
Volume: 23A
Publisher: ASM International
Published: 12 September 2022
DOI: 10.31399/asm.hb.v23A.a0006907
EISBN: 978-1-62708-392-8
... for atomization. As described previously, the rod-shaped alloy ingots were prepared by high-frequency induction melting with a water-cooled copper crucible (i.e., skull-melting). After the EIGA process and careful powder collection, the powders were sieved to adjust the powder size to less than 45 μm. Figure...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005848
EISBN: 978-1-62708-167-2
... vacuum chambers—such as induction vacuum furnaces with chambers capable of holding multiple parts for higher production volumes ( Fig. 8 ), induction vacuum melting furnaces ( Fig. 9 ), or induction skull melting furnaces—have induction coils inside the vacuum chamber. Special consideration needs...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005898
EISBN: 978-1-62708-167-2
... Abstract This article focuses on the basic turbulent flow, and the thermal, mass-transfer, and hydrodynamic phenomena for use in modeling physical processes during induction melting. It provides a discussion on transport phenomena equations that includes the approximation of convective terms...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005846
EISBN: 978-1-62708-167-2
..., and linear coils. It provides information on the role of magnetic flux controllers for whole-body and local area mass-heating applications, continuous induction tube welding, seam-annealing inductors, and various induction melting systems, namely, channel-type, crucible-type, and cold crucible systems...
Series: ASM Handbook
Volume: 24A
Publisher: ASM International
Published: 30 June 2023
DOI: 10.31399/asm.hb.v24A.a0007021
EISBN: 978-1-62708-439-0
... of furnace melting mechanisms include: Induction melting Plasma arc cold hearth Water-cooled copper induction skull melting Contactless electrode induction melting Vacuum induction melt inert gas atomization (VIGA, Fig. 3a ) can produce the highest- quality or cleanest melt...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005204
EISBN: 978-1-62708-187-0
... for electron beam and vacuum arc remelting skull melting and casting Cold hearth melting process for the feedstock refining of superalloys for vaccum induction melting and electron beam casting Fig. 2 Examples of electron beam melting and casting processes. (a) Button melting with controlled...