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liquid carburizing

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Published: 01 March 2006
Fig. 3 Effects of time and temperature for liquid carburizing of 1020 steel. Source: Ref 9 More
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240395
EISBN: 978-1-62708-251-8
... Abstract This chapter discusses the process characteristics, advantages, disadvantages, and applications of various processes involved in surface hardening of steel. These include pack carburizing, liquid carburizing, gas carburizing, vacuum carburizing, plasma carburizing, gas nitriding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440141
EISBN: 978-1-62708-262-4
... carburizing), a liquid salt bath (liquid carburizing), or with all the surfaces of the workpiece covered with a solid carbonaceous compound (pack carburizing). Regardless of the process, the objective of carburizing is to start with a relatively low-carbon steel (0.20% C) and increase the carbon content...
Image
Published: 01 December 2003
for such fixtures because of the need for high-temperature strength. Resistance to oxidation is not a factor, as liquid carburizing salts are reducing. (h) Rack for holding six small crankshafts; exploded view shows a crankshaft in position. (i) Special rack for carburizing the outside diameters of bearing races More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2013
DOI: 10.31399/asm.tb.mfub.t53740271
EISBN: 978-1-62708-308-9
... various steels respond to heat treatments, such as annealing, normalizing, spheroidizing, tempering, and direct and interrupted quenching, and surface-hardening processes, such as flame and induction hardening, carburizing, nitriding, and carbonitriding. It also addresses the issue of temper embrittlement...
Image
Published: 01 December 1999
2. Carburize 1050 °C, 35 min; diffuse 13 min; cool to 845 °C; oil quench Network carbides 3. Carburize 1050 °C, 35 min; diffuse 13 min; cool to 845 °C; oil quench. (With subzero liquid nitrogen) Network carbides 4. Carburize 1050 °C, 35 min; diffuse 13 min; cool to 845 °C; oil quench More
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320171
EISBN: 978-1-62708-347-8
..., wear-resistant case. A carbonitrided case has better hardenability than a carburized case. Also, the presence of N 2 in the case, as in nitriding, increases its hardness. Most carbonitriding is done between 770 and 890 °C (1425 and 1625 °F) for gears to be liquid quenched and between 650 and 790 °C...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320133
EISBN: 978-1-62708-347-8
... Abstract Nitriding is a case-hardening process used for alloy steel gears and is quite similar to case carburizing. Nitriding of gears can be done in either a gas or liquid medium containing nitrogen. This chapter discusses the processes involved in gas nitriding. It reviews the effects...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.9781627083157
EISBN: 978-1-62708-315-7
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350231
EISBN: 978-1-62708-315-7
.... The novel structures produced by laser surface melting and alloying can exhibit improved electrochemical and tribological be- havior. liquid carburizing. Surface hardening of steel by immersion into a molten bath consisting of cyanides and other salts. liquid honing. Producing a finely polished finish...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250245
EISBN: 978-1-62708-345-4
... has better hardenability than a carburized case. Also, the presence of N 2 in the case, as in nitriding, increases its hardness. Most carbonitriding is done between 770 and 890 °C (1425 and 1625 °F) for gears to be liquid quenched and between 650 and 790 °C (1200 and 1450 °F) for gears not requiring...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 November 2013
DOI: 10.31399/asm.tb.uhcf3.t53630237
EISBN: 978-1-62708-270-9
..., if the operational loads do not exceed the yield strength of the metal. The principal types of elevated-temperature failure mechanisms are creep, stress rupture, low-cycle or high-cycle fatigue, thermal fatigue, overload, hot corrosion, embrittlement, sulfidation, carburization, oxidation, distortion...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2022
DOI: 10.31399/asm.tb.dsktmse.t56050001
EISBN: 978-1-62708-432-1
... Difficult to control diffusion depth accurately, low equipment cost Liquid carburizing 815–980 1500–1800 50 μm–1.5 mm 50–65 Faster process than pack and gas processes, salt disposal and maintenance issues Gas carburizing 815–980 1500–1800 75 μm–1.5 mm 50–63 Good control of case depth, need...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2001
DOI: 10.31399/asm.tb.secwr.t68350095
EISBN: 978-1-62708-315-7
... case than carburizing, gas control critical Liquid (cyaniding) Diffused carbon and nitrogen 760–870 (1400–1600) 2.5–125 μm (0.1–5 mils) 50–65 (a) Low-carbon steels Good for thin cases on noncritical parts, batch process, salt disposal problems Ferritic nitrocarburizing Diffused carbon...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 1998
DOI: 10.31399/asm.tb.ts5.t65900291
EISBN: 978-1-62708-358-4
...-treating technology and can be accomplished by gas carburizing, pack carburizing in solid carbon-containing compounds, liquid carburizing in salt baths, vacuum carburizing, and plasma or ion carburizing ( Ref 16 ). Carburizing temperatures range from 870 to 925 °C (1600 to 1700 °F), with carburizing times...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440001
EISBN: 978-1-62708-262-4
... above the upper transformation temperature of the specific alloy. Temperatures used for carburizing are generally in the range of 900 to 1040 °C (1650 to 1900 °F). Heating is done in a carbonaceous environment (liquid, solid, or gas). This produces a carbon gradient extending inward from the surface...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2003
DOI: 10.31399/asm.tb.pnfn.t65900193
EISBN: 978-1-62708-350-8
... for such fixtures because of the need for high-temperature strength. Resistance to oxidation is not a factor, as liquid carburizing salts are reducing. (h) Rack for holding six small crankshafts; exploded view shows a crankshaft in position. (i) Special rack for carburizing the outside diameters of bearing races...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320033
EISBN: 978-1-62708-347-8
... of the carburizing agent. As a rough approximation, a carburized depth of approximately 0.76 to 1.3 mm (0.030–0.050 in.) on a 6 diametral pitch (DP) gear tooth can be obtained in about 4 h at 930 °C (1700 °F) with a carburizing agent, which may be solid, liquid, or gas. The primary objective of carburizing...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410499
EISBN: 978-1-62708-265-5
... that causes carbon to be absorbed at the surface of the steel. Another is the rate at which carbon can diffuse from the surface to the interior of the steel. Carbon is introduced by the use of gaseous atmospheres (gas carburizing), salt baths (liquid carburizing), solid compounds (pack carburizing...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250163
EISBN: 978-1-62708-345-4
... of the carburizing agent. As a rough approximation, a carburized depth of approximately 0.76 to 1.3 mm (0.030 to 0.050 in.) on a 6 diametral pitch (DP) gear tooth can be obtained in about 4 h at 930 °C (1700 °F) with a carburizing agent, which may be solid, liquid, or gas. The primary objective of carburizing...