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immersion water quenching

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Published: 01 June 2016
Fig. 42 Effect of quenching medium on strength of 6061-T6 sheet. Water-immersion quench equals 100%. Control of coolant flow will minimize the decrease in mechanical properties. More
Book Chapter

Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005816
EISBN: 978-1-62708-165-8
... and spray quenching with water. hardness jet quenching quenching spray quenching water immersion quenching Introduction<xref rid="a0005816-fn1" ref-type="fn">[1]</xref> The term spray quenching refers to a wide variety of quenching processes that involve heat removal facilitated...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006260
EISBN: 978-1-62708-169-6
... be controlled by proper racking. It concludes with information on agitation and the quench tank system used in the quenching of aluminum alloys. agitation system aluminum alloys cooling rate immersion water quenching polyalkylene glycol polymer quenchants quench sensitivity quench severity quench...
Series: ASM Handbook
Volume: 2A
Publisher: ASM International
Published: 30 November 2018
DOI: 10.31399/asm.hb.v02a.a0006506
EISBN: 978-1-62708-207-5
... or cold water and polyalkylene glycol (PAG) quenchants are used almost exclusively in the quenching of aluminum alloys. Water is the fliyud most frequently employed for quenching aluminum, but there are a variety of quenchants and methods that have been used ( Ref 1 ): Cold water immersion Hot...
Series: ASM Handbook
Volume: 4F
Publisher: ASM International
Published: 01 February 2024
DOI: 10.31399/asm.hb.v4F.a0007011
EISBN: 978-1-62708-450-5
...) still air, (2) water spray, (3) immersion oil quenched, (4) oil spray, and (5–7) compressed air. In the following, the first number is the initial pressure, and the second number is the final pressure: (5) 3/2.5 atm, 1.6/2.4 1/cm 2 s; (6) 5/3 atm, 2.3/1.6 1/cm 2 s; (7) 10/5 atm, 3.5/2.3 1/cm 2 s...
Image
Published: 01 June 2016
Fig. 10 Residual stresses measured by a neutron diffraction technique in a U-0.8Ti alloy cylinder. (a) After a gamma solution heat treatment and water immersion quench, a biaxial stress state is observed with very large surface compressive and interior tensile residual stresses. (b) Aging More
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005929
EISBN: 978-1-62708-166-5
... externally heated furnaces heat treatment immersed-electrode furnaces isothermal quenching furnaces salt baths salt quenching steel submerged-electrode furnaces SALT BATHS are used commercially in a wide variety of heat treating operations including neutral hardening, tempering, liquid...
Image
Published: 01 February 2024
Fig. 18 Examples of the wetting process upon immersion in quenching media (rewetting). These media include (a) petroleum oil, (b) water, (c) a prismatic surface quenched in water, (d) aqueous solution of polymer 1, and (e) aqueous solution of polymer 2. Source: Ref 59 More
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003768
EISBN: 978-1-62708-177-1
... to 25 s. Almost immediately, a black film forms, which should be scrubbed off under running water with a soft brush. This must be done without delay to prevent staining the etched surface. If the etch is too light, the specimen can be immersed for 5 to 10 s and scrubbed again. This procedure is repeated...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005794
EISBN: 978-1-62708-165-8
... largely exceeds the heat-removal capability of the quenching fluidized bed through only the fluidizing gas, it is necessary to use additional cooling systems and bed-temperature control means. These include a cooling container ( Fig. 1 ), cooling pipes immersed in the bed, regular water spray, and air...
Series: ASM Handbook
Volume: 9
Publisher: ASM International
Published: 01 December 2004
DOI: 10.31399/asm.hb.v09.a0003775
EISBN: 978-1-62708-177-1
... Permanickel 300, solution annealed 1 h at 1205 °C (2200 °F) and water quenched, aged 10 h at 480 °C (900 °F) and water quenched. Dispersed particles of TiN and graphite (black dots) in nickel solid solution. NaCN, (NH 4 ) 2 S 2 O 8 . 100× Fig. 6 Duranickel 301, solution annealed for 30 min at 980 °C...
Image
Published: 15 June 2019
Fig. 5 Effect of quenching medium on (a) yield strength and (b) tensile strength of 6061-T6 sheet. Water-immersion quench equals 100%. Control of coolant flow minimizes the decrease in mechanical properties. More
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001307
EISBN: 978-1-62708-170-2
...). It is slightly more effective than the sodium hydride bath on high-chromium alloys, such as type 310 stainless steel, and cobalt-chromium-nickel-base alloys, such as L-605. Processing steps are similar. Parts are immersed in the oxidizing bath for 5 to 15 min, quenched in water, soaked in a solution of 5 to 10...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005935
EISBN: 978-1-62708-166-5
... hardness measurement and by measuring through-depth hardness of the machine component. Critical cooling rates with carbon steels and low-alloy steels can be achieved by cooling a machine component of austenitic microstructure, which is achieved by immersion into a quenching medium such as water, oil...
Series: ASM Handbook
Volume: 4F
Publisher: ASM International
Published: 01 February 2024
DOI: 10.31399/asm.hb.v4F.a0006999
EISBN: 978-1-62708-450-5
... by cooling a machine component of austenitic microstructure, which is achieved by immersion into a quenching medium such as water, oil, polymeric water solutions, and emulsions. The hardness distribution of steel through the whole workpiece body depends on several factors: chemical composition (alloying...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005802
EISBN: 978-1-62708-165-8
... are required for the bath to attain temperature equalization in oil at 205 to 220 °C (400 to 425 °F). The immersion time required in salt can be reduced by as much as 50% by addition of 0.5 to 2% water. Water Additions to Salt The quenching severity of a nitrate-nitrite salt can be increased...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005778
EISBN: 978-1-62708-165-8
... carburizing bath. Analysis of a noncyanide liquid carburizing bath is achieved by a rapid performance test in which a 1008 steel wire 1.6 mm (1/16; in.) in diameter is immersed for 3 min in the bath, then is water quenched and mechanically bent through 90°. The bath is well activated if the wire breaks...
Series: ASM Handbook
Volume: 4C
Publisher: ASM International
Published: 09 June 2014
DOI: 10.31399/asm.hb.v04c.a0005862
EISBN: 978-1-62708-167-2
..., on quenching. It also describes various quenching methods for steel induction heat treating, namely, spray quenching, immersion quenching, self or mass quenching, and forced air quenching. The article also reviews quench system design and quenchants and their maintenance. brine quenching induction...
Image
Published: 01 February 2024
Fig. 3 Surface-cooling curves obtained by Lankin on an inductively heated 25 × 75 mm (1 × 3 in.) steel probe quenched by (1) still air, (2) water spray, (3) immersion oil quenched, (4) oil spray, and (5–7) compressed air. In the following, the first number is the initial pressure More
Image
Published: 01 June 2016
Fig. 11 Photo of the bottom XZ -plane 60 × 120 mm (2.4 × 4.7 in.) during water quenching with ical immersion (arrows indicate rewetting front) More