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continuous furnaces

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Published: 01 October 2011
Fig. 9.48 Continuous furnaces. (a) Screw conveyor furnace. (b) Pusher tray. (c) Mesh belt. (d) Roller hearth More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440055
EISBN: 978-1-62708-262-4
..., and disadvantages of furnaces classified based on the heat transfer medium employed. The types of furnaces covered are batch-type, continuous-type, liquid bath, fluidized bed, and vacuum. The subsequent sections provide information on furnace parts, fixtures, quenching mediums, and quenching systems. The final...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130539
EISBN: 978-1-62708-284-6
... of a thin oxide film. As an example, the 1948 ASM Metals Handbook gives the following table: Color Chart Another example of temper colors is shown in Fig. A5.2 . This example was developed to illustrate the effect of oxidation with furnace leaks. Oxidation of steel in the front of a continuous...
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Published: 30 November 2023
Fig. 10.25 Continuous solutionizing furnace. Reprinted with permission from Ref 8 More
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Published: 01 October 2011
Fig. 9.49 Schematic of shaker-hearth furnace for continuous carburizing More
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Published: 30 April 2020
Fig. 8.30 Photograph of a continuous pusher-plate furnace. This unit operates with a hydrogen atmosphere and consists of heating segments designed to remove remaining binder, reduce impurities, reach peak temperature, and cool under a protective atmosphere. The components in this case travel More
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Published: 01 November 2013
Fig. 24 Continuous sintering furnace. Source: Ref 10 More
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Published: 01 September 2005
Fig. 66 A continuous ceramic vacuum carburizing furnace More
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Published: 01 December 1995
Fig. 15-11 Continuous heat-treating furnace with water quench-tank in left foreground. Conveyor at right returns heat-treating tray and castings for unloading. More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050155
EISBN: 978-1-62708-311-9
... mainly in three applications. First, continuous furnaces, as described later, need to have the parts in the furnace for minimum times. For example, it may be experimentally verified that 20 min in a continuous furnace produces the desired hardness. Second, batch furnaces may have the times at heat...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440283
EISBN: 978-1-62708-262-4
... procedures were used: At least one test pin was processed with each batch load or one pin was run every 4 h on each row of all continuous furnaces. Test pins were hung in all furnace loads in a location where the processing was typical of the parts processed. The test pins were evaluated...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900089
EISBN: 978-1-62708-350-8
... feedthrough is designed to allow continuous power flow to the cathode feedthrough. Plasma Generator Power Pack The plasma power generator is usually a solid-state unit designed to produce continuous dc power from line voltage through to the variable voltage control to the furnace cathode power...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060197
EISBN: 978-1-62708-261-7
... on hardenability and tempering response. It discusses the significance of critical temperatures, the use of transformation diagrams, and types of annealing treatments. It also provides information on heat treating furnaces, the effect of heating rate on transformation temperatures, quench and temper procedures...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310127
EISBN: 978-1-62708-326-3
... reactions that occur during annealing: decarburization and scaling. Information on the gases and gas mixtures used for controlled atmospheres is then provided. The second part of the chapter focuses on the processes involved in normalizing, along with information on furnace equipment for normalizing...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2020
DOI: 10.31399/asm.tb.bpapp.t59290169
EISBN: 978-1-62708-319-5
... small batch furnaces to continuous furnaces for large-scale production. The process atmosphere depends on the material, ranging from air for oxide ceramics to vacuum for reactive metals. Measurement of the progress in sintering includes changes in dimensions, density, and properties. Hot isostatic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200197
EISBN: 978-1-62708-354-6
...) and even larger. Fig. 15-10 Car bottom heat-treating furnace with miscellaneous castings Continuous furnaces are particularly useful when high-production quantities of similar castings are to be treated. These furnaces are usually of the pusher type with a roller hearth ( Figure 15-11...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.htcma.t52080335
EISBN: 978-1-62708-304-1
... Abstract Managing corrosion continues to be a challenge for operators of modern boilers worldwide. This chapter addresses the corrosion-related problems that can occur in boilers burning municipal solid waste (MSW). It describes corrosion mechanisms associated with different environments...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260119
EISBN: 978-1-62708-336-2
...-temperature homogenization. Source: Ref 25 Garcia and Hertwich ( Ref 26 ) described the continuous homogenizing system installed with the continuous horizontal casting unit. The continuous furnaces have only one layer compared with the multilayers in batch furnaces. The billets move continuously...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2022
DOI: 10.31399/asm.tb.isceg.t59320003
EISBN: 978-1-62708-332-4
... or for continuous casting. Figure 2.8 is a representation of two alternative methods for casting either billets or slabs. The left-hand side shows a system for casting ingots. Cast ingots are hydraulically stripped from the ingot mold and loaded into a reheating furnace. Heated billets are fed into a blooming...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240349
EISBN: 978-1-62708-251-8
... and contains carbon in the range of 3 to 4.5 wt%, it must be further refined in either a basic oxygen or an electric arc furnace to produce steel that usually has a carbon content of less than 1 wt%. After the pig iron has been reduced to steel, it is cast into ingots or continuously cast into billets. Cast...