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quench tank

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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...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005923
EISBN: 978-1-62708-166-5
... Abstract Quenchant agitation can be obtained by circulating quenchant in a quench tank through pumps and impellers. The selection of the agitation method depends on the tank design, type and volume of the quenchant, part design, and the severity of quench required. This article describes flow...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005934
EISBN: 978-1-62708-166-5
... database can be used for any steel alloy where the necessary transformation property is available. The probes are heated to the desired austenitizing temperature, typically 840 °C (1545 °F), in an electrically-heated muffle furnace. The quench tank will contain a sufficient volume, usually 75 L (20 gal...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006286
EISBN: 978-1-62708-169-6
... Abstract Quenching is a widely used technique to strengthen titanium alloys. This article presents the metallurgical and structural background underlying the specific techniques applied in the quenching of various titanium alloys, and the ways to control and reduce residual stresses induced...
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
... Abstract This article provides information on the salt baths used for a variety of heat treatments, including heating, quenching, interrupted quenching (austempering and martempering), case hardening, and tempering. It describes two general types of salt bath systems for steel hardening: the...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001305
EISBN: 978-1-62708-170-2
... Abstract Passivation; pickling, that is, acid descaling; electropolishing; and mechanical cleaning are important surface treatments for the successful performance of stainless steel used for piping, pressure vessels, tanks, and machined parts in a wide variety of applications. This article...
Series: ASM Handbook
Volume: 5
Publisher: ASM International
Published: 01 January 1994
DOI: 10.31399/asm.hb.v05.a0001226
EISBN: 978-1-62708-170-2
... ultrasonic cleaning. The components used in the generation of ultrasonic wave include piezoelectric and magnetostrictive transducers that are used in ultrasonic generators and tanks. The effects of solution type and its temperature on the effectiveness of ultrasonic cleaning are also discussed...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006252
EISBN: 978-1-62708-169-6
... twist or bend noticed after quenching, snagging of a band saw blade, expensive rework as a result of machining distortion, or even a severely cracked component emerging from a quench tank. Precipitation-hardened aluminum alloys have been the major enabling material technology of aviation since their...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005932
EISBN: 978-1-62708-166-5
... degradation as a function of time, with viscosity being plotted as a function of blending time. While not necessarily directly applicable to typical quench tank agitation, it provides a standard method to rank polymer stability. Variations in the solution viscosity are indicative of polymer stability and...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006287
EISBN: 978-1-62708-169-6
... also discusses the mechanisms used for strengthening aluminum alloys, including solid-solution hardening, grain-size strengthening, work or strain hardening, and precipitation hardening. The process of precipitation hardening involves solution heat treatment, quenching, and subsequent aging of the as...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003204
EISBN: 978-1-62708-199-3
... Abstract This article discusses different heat treating techniques, including quenching, homogenizing, annealing, stress relieving, stress equalizing, quench hardening, strain hardening, tempering, solution heat treating, and precipitation heat treating (age hardening) for different grades of...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005436
EISBN: 978-1-62708-196-2
... the flow of quenchant upward around the parts. While propeller agitation is easy to design, install, and maintain, it is sometimes difficult to add to an existing quench tank, due to space limitations. In these circumstances, the introduction of pumped circulation through manifolds may be necessary...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005926
EISBN: 978-1-62708-166-5
...-based atmospheres, industrial gas nitrogen-base atmospheres, argon atmospheres, and hydrogen atmospheres. Atmospheres for backfilling, partial pressure operation, and quenching in vacuum are also discussed. Furnace atmospheres constitute four major groups of safety hazards in heat treating: fire...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005924
EISBN: 978-1-62708-166-5
... quenching systems with tanks, heat exchangers, pumps, filters, and temperature-regulation controls. In the past, dunk oil quenching and water-soluble oils were widely used. Today (2013), although oil is still used for some applications, polymer quenches have widely replaced most of the oil quenches...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005955
EISBN: 978-1-62708-166-5
... and a forward cooling chamber, with a vacuum sealing door between them. When the heating cycle is completed, the work is transferred to the front chamber. After the sealing door is closed, the work load is lowered into the quench tank by an elevator. The quenching liquid is agitated vigorously by...
Book: Casting
Series: ASM Handbook
Volume: 15
Publisher: ASM International
Published: 01 December 2008
DOI: 10.31399/asm.hb.v15.a0005230
EISBN: 978-1-62708-187-0
... mechanically. Both manual and automated systems may be employed to accomplish this. Another advantage to the T61 temper is flexibility. Delays in going from the quench tank to the aging ovens are much less important and can be absorbed into the natural aging time. Castings can be aged after solution heat...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003196
EISBN: 978-1-62708-199-3
... workpieces increase, however, various other items of equipment must, of course, be added to the quenching system. For a complete quenching system, the following functional equipment usually is required and installed: (a) work tank or machines, (b) facilities for handling the parts quenched, (c) quenching...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006264
EISBN: 978-1-62708-169-6
... refers to the time it takes to remove castings from the furnace and place them into the quench tank. For best properties, the quench delay should be less than 30 s and preferably less than 10 s. With this in mind, some foundries have designed and custom-built their solution furnaces. Castings are held in...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006283
EISBN: 978-1-62708-169-6
... quench tank following solution anneal. Rapid quenching is necessary to prevent β-phase decomposition for maximum aging response. Water and 5% brine solutions are used to speed the cooling rates ( Ref 2 ). The age hardening effect can be negated by slower cooling of large sections. Because strength and...
Series: ASM Handbook
Volume: 4E
Publisher: ASM International
Published: 01 June 2016
DOI: 10.31399/asm.hb.v04e.a0006256
EISBN: 978-1-62708-169-6
... adding 1 to 2 vol% of hydrofluoric acid to the pickling solution. The oil-quench medium can be contained within the vacuum chamber. Following solution treating, the furnace is backfilled with argon or helium. The work is then transferred to a position directly over the quench tank and lowered at a...