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Quenching (cooling)

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Published: 01 August 1999
Fig. 18 Effect of cooling rate during quenching between 400 to 315 °C (750 to 600 °F) on susceptibility to intergranular corrosion and stress corrosion cracking. (a) Darkened area is susceptible to intergranular corrosion in NaCl-H 2 O 2 solution. SCC tests in 3.5% NaCl alternate immersion More
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Published: 01 December 1996
Fig. 4-1 (a) Schematic illustration of the three stages of cooling upon quenching a steel into a liquid. (b) Photographs of a cylinder quenched into a polymer quenchant, showing the three stages of cooling. ((a) from J. Bodin and S. Segerberg in Quenching and Distortion Control , G.E. Totten More
Image
Published: 01 December 1996
Fig. 4-2 Cooling curves at the center of silver spheres upon quenching into the media indicated. (From same source as Fig. 4-1a ) More
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
... Abstract This appendix discusses the sizing, scaling, and configuration requirements of the basic components in a quench cooling system, including tanks, pumps, hoses, and inlet and outlet fixtures and the materials from which they are made. quench cooling systems quench rings...
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Published: 01 December 1999
Fig. 7.9 Effect of tempering on the core tensile properties of three steels. Blank carburized core steel: 920 °C oil quench, reheated 780-830 °C, oil quenched, cooled to ~78 °C, and tempered. LP, limit of proportionality; PS, proof stress; MS, maximum stress. Source: Ref 18 More
Image
Published: 01 December 1996
Fig. 5-23 (a) Change in length for a 1.0% C-1.5% Cr-0.2% V steel after austenitizing at 845 °C followed by oil quenching, cooling to —195 °C, then length measured at 20 °C. (b) Change in length at 20 °C after austenitizing at 845 °C followed by quenching into oil at 20 °C. (Adapted from B.L More
Image
Published: 01 January 1998
Fig. 9-1 Effect of silicon on the tempered hardness of 0.6C-0.8Mn steels hardened at 870 °C (1600 °F), water quenched, cooled to –195 °C (–320 °F), and tempered for 2 h at the temperatures shown. Source: Ref 2 More
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310055
EISBN: 978-1-62708-326-3
... Abstract The decomposition of austenite, during controlled cooling or quenching, produces a wide variety of microstructures in response to such factors as steel composition, temperature of transformation, and cooling rate. This chapter provides a detailed discussion on the isothermal...
Book Chapter

Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1996
DOI: 10.31399/asm.tb.phtpclas.t64560087
EISBN: 978-1-62708-353-9
... and the positions on the Jominy bar which have the same cooling rate at 704°C for different severity of quench values. (Adapted from J.L. Lamont, Iron Age , Vol 152, No. 16, p 64 (1943), Ref 6 ) Fig. 4-12 (Part 2) Relation between locations in cylinders and the positions on the Jominy bar which have...
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Published: 01 November 2007
Fig. 12.1 Cooling curve at the surface and center of a rapidly quenched bar of 5140 steel superimposed on the continuous transformation curve More
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Published: 01 November 2007
Fig. 12.11 Cooling curve measured in the ISO 9950 test using an oil quench bath More
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Published: 01 September 2008
Fig. 13 Centerline cooling curves for oil-quenched steel bars of varying section sizes, assuming a surface heat-transfer coefficient of 0.019 cal s –1 °C –1 cm 2 More
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Published: 01 January 2015
Fig. 16.11 Stages of cooling during water quench. Source: Ref 16.21 More
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Published: 01 January 2015
Fig. 16.27 Equivalent cooling rates for round bars quenched in (a) water and (b) oil. Correlation of equivalent cooling rates in the end-quenched hardenability specimen and quenched round bars free from scale. Data for surface hardness are for “mild agitation;” other data are for 60 m/min (200 More
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Published: 31 December 2020
Fig. 12 Cooling curves illustrating the effect of temperature and quench severity (cooling power) More
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Published: 01 December 2004
Fig. 7.3 Midplane cooling rates for varying water quench temperatures and aluminum alloy casting thicknesses More
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Published: 01 December 1995
Fig. 24-50 Correlation curves for identical cooling times in end-quench hardenability specimens and round bars quenched in hot salt, oil, and water. Water was at 75 °F (24 °C); mineral oil [Saybolt universal viscosity at 100 °F, (38 °C), 79 sec], at 120 °F (49 °C); molten salt, at 400 °F (204 More
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Published: 01 December 1996
Fig. 10-9(c) Illustration of method to find value of severity of quench H from cooling curves in Fig. 10-9(b) More
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Published: 01 December 1996
Fig. 4-21 Procedure to determine the cooling rate at any location in a quenched steel component. (J.L Lamont, Iron Age , Vol 152, p 64 (Oct 14, 1943), Ref 13 ) More
Series: ASM Technical Books
Publisher: ASM International
Published: 31 December 2020
DOI: 10.31399/asm.tb.phtbp.t59310079
EISBN: 978-1-62708-326-3
... that influence steel hardenability and selection. Hardenability of steel is also the subject of many publications, for example: Ref 5 and 6 . Jominy End-Quench Testing The hardenability of a steel is governed by the cooling rates at which austenite decomposes to ferrite, pearlite, bainite...