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inductor crucible cold furnaces

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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
... melting installations. channel induction furnaces crucible furnaces induction melting induction skull melting inductor crucible cold furnaces power supplies INDUCTION MELTING has been applied successfully in the ferrous and nonferrous industry for many decades. However, induction melting...
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
... crucible furnaces inductor crucible cold furnaces melt properties oxides THIS ARTICLE IS A BRIEF OVERVIEW of models of the following induction heating devices for melting with skull formation of low-conductivity materials: Induction crucible furnace, or ICF ( Fig. 1 ) Induction furnace...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005904
EISBN: 978-1-62708-167-2
... is a dedicated program for sintering a newly lined crucible; the processor controls the sintering process after a new refractory has been installed by means of a time-dependent temperature profile ( Fig. 8a ). Fig. 8 Program for channel furnace processor monitor control of (a) sintering and (b) cold...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005905
EISBN: 978-1-62708-167-2
... furnace is kept hot with 70 kW during stoppages. Inductive Melting in Semifinished Product Shops The topics covered in this section are a channel furnace with high-performance inductors, and the application of crucible furnaces. Channel Furnace with High-Performance Inductors Table 1...
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
... systems. The article also describes the benefits of the flux controllers for induction heat treating processes such as single-shot and scanning. channel type furnaces continuous induction tube welding cooling crucible furnaces induction coils induction melting inductor crucible cold furnaces...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005196
EISBN: 978-1-62708-187-0
... supplies and water cooling systems for induction furnaces. Furnace operators can increase the power supply utilization by the use of mechanical skimmers. The article describes the various lining materials used in induction furnaces, namely, silica, alumina, and magnesia. The crucible wall scrapers, ramming...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006337
EISBN: 978-1-62708-179-5
... the advantages of specialized cupolas such as cokeless cupola and plasma-fired cupola. Melting in iron foundries is a major application of induction furnaces. The article describes the operations of two induction furnaces: the channel induction furnace and the induction crucible furnace. It explains the teapot...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003173
EISBN: 978-1-62708-199-3
... the principles, 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...
Series: ASM Handbook Archive
Volume: 10
Publisher: ASM International
Published: 01 January 1986
DOI: 10.31399/asm.hb.v10.a0001747
EISBN: 978-1-62708-178-8
... crucible, heating the crucible to 3000 °C (5430 °F). Inert gas fusion by induction heating uses the pure graphite crucible as an inductor centered in the load or work coil portion of a high-frequency induction furnace. When the furnace is activated, the crucible inductively couples with the high...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005288
EISBN: 978-1-62708-187-0
..., maintaining the required casting temperature. Water-cooled graphite dies are attached to the holding furnace or crucible. During the continuous casting operation, metal flows into the graphite casting die, where it solidifies. The solidified strands are intermittently withdrawn in a pull-pause sequence...
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
... radiation heat exchange in electro-technological devices such as: Between melt and slag in an induction crucible furnace (ICF) and in ladle and cover, or environment Between melt and metal crucible of an induction furnace with cold crucible (IFCC) Between workpiece and shield of induction...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005350
EISBN: 978-1-62708-187-0
... furnace include: These furnaces have a higher hold-to-metal ratio and therefore are larger (higher capital cost). With a typical hold-to-melt ratio of 8 to 1, a minimum of eight times the solid charge weight must be maintained to help dilute the cold metal charge and not cause excessive bath...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006329
EISBN: 978-1-62708-179-5
... with off-grade iron Sulfur adsorption None 0.12–0.15% Emissions Dust 0.5 kg/ton 8–12 kg/ton Slag 10–20 kg/ton 40–1000 kg/ton Harmful exhaust gas components None (with clean scrap) SO 2 , No x , CO Crucible furnaces often are used in a duplex mode, where the liquid iron...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006302
EISBN: 978-1-62708-179-5
... filled with a salt bath having the composition 75% NaOH, 5% NaC1, 5% NaF, 14% Na 2 CO 3 , and 1% K 2 CO 3 . The bath is operated at 460 to 490 °C (860 to 910 °F) by controlling the heating current supplied to the crucible furnace. Direct current is applied between the crucible and the assembly...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006484
EISBN: 978-1-62708-207-5
... top ( Fig. 8 ) allows the furnace to be charged with fewer bucket loads of scrap ( Ref 16 ). This can reduce charging times by up to 80%, which keeps the furnace refractories from getting cold. The reduced number of charging steps also improves safety by reducing worker exposure to the furnace...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005886
EISBN: 978-1-62708-167-2
... polished or uniformly brushed. These materials are also applied to a wide range of industrial applications for chemical containers and transfer systems such as tanks and tubing, materials processing tooling such as rollers and cutting systems, and for elevated-temperature applications such as furnaces...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005877
EISBN: 978-1-62708-167-2
... is a good solution for solving some complicated problems such as induction melting of metals in a cold crucible furnace or induction heating in medical applications ( Ref 8 ). However, the great majority of engineering simulations in the induction heating and heat treating industry are conducted using a 2-D...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.9781627081993
EISBN: 978-1-62708-199-3
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.9781627081795
EISBN: 978-1-62708-179-5
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003788
EISBN: 978-1-62708-177-1
... electrolytes and polishing conditions. Macroetching of iron-nickel alloys is commonly performed by thermal etching. Cold-rolled strip specimens are annealed several hours in dry hydrogen at 1175 °C (2150 °F), followed by furnace cooling (see Fig. 3 ). Thermal etching will reveal grain structures...