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Quenching

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Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310055
EISBN: 978-1-62708-326-3
...Suggested carbon-content limits for water, brine, and caustic quenching Table 4 Suggested carbon-content limits for water, brine, and caustic quenching Shapes Maximum carbon content, % Furnace hardening General use 0.30 Simple shapes 0.35 Very simple shapes (e.g., bars...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050139
EISBN: 978-1-62708-311-9
... Fig. 6.1 Photo sequence of a hot steel rod being quenched in a 25% polyalkylene glycol polymer in water solution. (a) When the rod is immersed, a polymer film forms on its surface. (b) After 15 s, polymer activates and begins to boil. (c) After 25 s, boiling occurs over the entire rod...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130255
EISBN: 978-1-62708-284-6
...Abstract Abstract This chapter provides an overview of the fundamental material- and process-related parameters of quenching on residual stress, distortion control, and cracking. It begins with a description of phase transformations during heating and quenching of steel. This is followed...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2007
DOI: 10.31399/asm.tb.smnm.t52140117
EISBN: 978-1-62708-264-8
...Abstract Abstract Quenching is a critical step in the production of hardened steel. This chapter untangles some of the complexities of the quenching process and its effect on the microstructure and properties of various steels. Making extensive use of cooling curves, it sheds light...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050335
EISBN: 978-1-62708-311-9
...Quench manifold size required for inlets to quench ring Table A4.1 Quench manifold size required for inlets to quench ring Inlet diam. (in.) Number of inlets versus manifold size (in.) 1 2 3 4 5 ¼ ¼ ⅜ ½ ¾ ¾ ⅜ ⅜ ¾ ¾ 1 1¼ ½ ½ ¾ 1 1 1 ¾ ¾ 1¼ 1¼ 1½ 2...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.spsp2.t54410405
EISBN: 978-1-62708-265-5
...,” describe the mechanical behavior of quenched and tempered steels largely in terms of hardness. Hardness measurements are a powerful, essentially nondestructive, easily applied quality-control technique for heat treated steels and correlate well with the response of steels to heat treatment. Although...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310163
EISBN: 978-1-62708-326-3
... 845 1550 4817H 845 1550 4820H 845 1550 8625H 870 1600 8627H 870 1600 9310H 845 1550 Relationship between tempering temperature and “as-quenched” hardness for several steels for both induction hardening and furnace quenched parts Table 7 Relationship between...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310203
EISBN: 978-1-62708-326-3
... the tempering temperature used after quenching. Full annealing Heating 30–50 °C (55–90 °F) above Ac 3 for hypoeutectoid steels, then furnace cooling through the critical temperature range at a specified cooling rate. The aim is to break the continuous carbide network of high-carbon steels. It improves...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220273
EISBN: 978-1-62708-259-4
...% 98xx Ni 1.00%, Cr 0.80%, Mo 0.25% Quenching severity for different quenchants compared to water Table 10.2 Quenching severity for different quenchants compared to water Quenching medium Severity of quench (H) Oil, no agitation 0.2 Oil, moderate agitation 0.5 Oil...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250249
EISBN: 978-1-62708-345-4
...Abstract Abstract Induction and flame hardening are methods of hardening the surfaces of components, usually in selected areas, by the short-time application of high-intensity heating followed by quenching. These processes are used when gear teeth require high hardness, but size...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2008
DOI: 10.31399/asm.tb.fahtsc.t51130417
EISBN: 978-1-62708-284-6
... for no cracks at workpiece surface Table 3 Minimum case depth required for no cracks at workpiece surface Excentricity of hardened layer ( e ), mm Depth ( z ), mm Temperature prior to quenching used in Hook’s model ( T k ), °C Yield stress of martensite ( R 0.2 , ( T K ) K...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240177
EISBN: 978-1-62708-251-8
..., such as ductility, formability, and machinability. This chapter discusses various heat treatment processes, namely annealing, stress relieving, normalizing, spheroidizing, and hardening by austenitizing, quenching and tempering. It also discusses two types of interrupted quenching processes: martempering...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320021
EISBN: 978-1-62708-347-8
...Abstract Abstract Through-hardening heat treatment is generally used for gears that do not require high surface hardness. In through hardening, gears are first heated to a required temperature and then cooled either in the furnace or quenched in air, gas, or liquid. Four heat treatment methods...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2015
DOI: 10.31399/asm.tb.cpi2.t55030169
EISBN: 978-1-62708-282-2
..., and conversion coatings. The processing steps that can have relatively significant impact on corrosion resistance are homogenization, rolling, extrusion, quenching, aging, and annealing. chemical composition corrosion resistance aluminum aluminum alloys claddings anodizing conversion coatings...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 January 2015
DOI: 10.31399/asm.tb.tpmpa.t54480075
EISBN: 978-1-62708-318-8
...Influence of alloying on alloy concentration necessary to retain 100% beta Table 4.1 Influence of alloying on alloy concentration necessary to retain 100% beta Alloying element Assumed valence electrons Minimum alloy content to retain 100% beta after quenching (β c ) Calculated average...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 October 2011
DOI: 10.31399/asm.tb.mnm2.t53060197
EISBN: 978-1-62708-261-7
... 600–2400 Excellent thermal uniformity and atmosphere control Rotating hearths available Rapid heating and quenching Low dew points Manual transfer of parts Limited effective hearth area Poor use of space Headroom requirements Integral quench (IQ) furnaces 540–1120 1000–2050 Flexibility...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240135
EISBN: 978-1-62708-251-8
..., which takes place during heat treatment; and true dispersion hardening, which can be achieved by mechanical alloying and powder metallurgy consolidation. It provides information on the three steps of precipitation hardening of aluminum alloys: solution heat treating, rapid quenching, and aging...
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310079
EISBN: 978-1-62708-326-3
...Effect of carbon concentration and martensite content on the as-quenched hardness of steel Table 1 Effect of carbon concentration and martensite content on the as-quenched hardness of steel Carbon, % Hardness, HRC, with extent of martensite content, M, % 99 95 90 80 50 0.10...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320175
EISBN: 978-1-62708-347-8
... be induction hardened and on process details involved in induction hardening gears. It discusses the processes involved in heating, quenching, and tempering of gears. Information on surface hardness and case depth after induction hardening, induction hardening problems, the applications of induction hardening...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2006
DOI: 10.31399/asm.tb.pht2.t51440001
EISBN: 978-1-62708-262-4
...Abstract Abstract This chapter introduces the principal heat treating processes, namely normalizing, annealing, stress relieving, surface hardening, quenching, and tempering. An overview of four of the more popular surface hardening treatments, namely carburizing, carbonitriding, nitriding...