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jet quenching

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2015
DOI: 10.31399/asm.tb.piht2.t55050335
EISBN: 978-1-62708-311-9
... fixtures, including various types of integral quenches in coils, quench rings, quench jets, and quench pads. The term quench ring is used to describe the quenching fixture for the balance of this appendix. The quenching system contains the controls, heat exchanger, temperature regulators, filters...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2000
DOI: 10.31399/asm.tb.aet.t68260149
EISBN: 978-1-62708-336-2
... jets are employed close to the surface of the profile. With such a cooling unit on an industrial scale, cooling rates two to three times higher than conventional systems have been achieved, while still respecting rules of safety and noise emission. For faster cooling and water quenching...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 1999
DOI: 10.31399/asm.tb.caaa.t67870085
EISBN: 978-1-62708-299-0
... in the face-centered cubic (fcc) metals and single-phase fcc alloys consists of isolated depressions ( Ref 4 ), Fig. 1 , which can be attributed to the jet impact of individual cavities collapsing close to the surface. Also during this early stage, the grain boundaries become delineated, coarse slip bands...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2024
DOI: 10.31399/asm.tb.phtpp.t59380061
EISBN: 978-1-62708-456-7
... Abstract This chapter discusses vacuum furnace processes and their design. The chapter focuses on the pressure levels, heating elements, pumping systems, temperature control systems, and quenching systems in vacuum furnaces. It then details specific applications of vacuum heat treating...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320175
EISBN: 978-1-62708-347-8
.... Selective heating and, therefore, hardening, is accomplished by suitable design of the coils or inductor blocks. At the end of the heating cycle, the steel usually is quenched by water jets passing through the inductor coils. Precise methods for controlling the operation, such as the rate of energy input...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 September 2005
DOI: 10.31399/asm.tb.gmpm.t51250249
EISBN: 978-1-62708-345-4
... layers to above the material transformation range is surprisingly brief, a matter of a few seconds. Selective heating and, therefore, hardening, is accomplished by suitable design of the coils or inductor blocks. At the end of the heating cycle, the steel usually is quenched by water jets passing through...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 May 2018
DOI: 10.31399/asm.tb.hma.t59250153
EISBN: 978-1-62708-287-7
... to a baseline measurement. Other samples were solution-treated at high temperatures up to 520 °C (970 °F) and water-quenched to room temperature. They were then aged for 11 days at room temperature or for three days at 100 °C (200 °F). All samples were tested for hardness, ultimate tensile strength...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220519
EISBN: 978-1-62708-259-4
... ) according to a patented process. Most wheels are subjected to a heat treatment in which after austenitizing, the wheel rotates so that the rim is water quenched by a set of jets arranged in a circle ( Fig. 15.29 ). This quenching results in the formation of fine pearlite in the rim region and a compressive...
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
... the interior being significantly affected. Flame hardening can be as simple as an operator with a torch or can consist of automated systems equipped with quench jets that follow right behind the torches. The torch can also be used to temper the martensite. Many variations are used, ranging from handheld...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240135
EISBN: 978-1-62708-251-8
... 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. precipitation...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200327
EISBN: 978-1-62708-354-6
... Abstract This chapter describes the processes involved in heat treatment of carbon and low alloy steel, high strength low alloy steels, austenitic manganese steels, martensitic stainless steels, and austenitic stainless steels. In addition, precipitation hardening and quench hardening of carbon...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2018
DOI: 10.31399/asm.tb.msisep.t59220273
EISBN: 978-1-62708-259-4
... Abstract This chapter provides a practical understanding of heat treatments and how to employ them to optimize the properties and structures of cast irons and steels. It discusses annealing, normalizing, quenching, tempering, patenting, carburizing, nitriding, carbonitriding...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 June 2008
DOI: 10.31399/asm.tb.emea.t52240395
EISBN: 978-1-62708-251-8
... be as simple as an operator with a torch or can consist of automated systems equipped with quench jets that follow right behind the torches. The torch can also be used to temper the martensite. Many variations are used, ranging from hand-held torches to automated ignition, burn, and quench assemblies...
Series: ASM Technical Books
Publisher: ASM International
Published: 30 April 2024
DOI: 10.31399/asm.tb.phtpp.t59380191
EISBN: 978-1-62708-456-7
... that cause a part to fail during heat treatment. The article discusses the problems associated with heating and furnaces, quenching media, quenching stresses, hardenability, tempering, carburizing, carbonitriding, and nitriding as well as potential stainless steel problems and problems associated...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 November 2012
DOI: 10.31399/asm.tb.ffub.t53610585
EISBN: 978-1-62708-303-4
... in the gating system or casting cavity to form oxides. Metal casters use computer analysis of gating systems to indicate when reoxidation can be expected in a gating system and to eliminate them. However, casting designs that require molten metal to “jet” through a section of the casting to fill other sections...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 March 2012
DOI: 10.31399/asm.tb.pdub.t53420339
EISBN: 978-1-62708-310-2
... enough temperature to take a significant amount of an alloying element into solid solution. Rapidly cooled (quenched) to room temperature, trapping the alloying elements in solution. Reheated to an intermediate temperature so that the host metal rejects the alloying element in the form of fine...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2018
DOI: 10.31399/asm.tb.aceg.t68410029
EISBN: 978-1-62708-280-8
... machine is provided with a holding furnace filled periodically by a distribution ladle that transfers metal from a central melting furnace. Fig. 4.6 Die casting cell elements Castings extracted are cooled either in a water quench tank or a forced air cooling tunnel. Warm castings move...
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 induction heating and quenching, the use of magnetic flux concentrators to improve the efficiency of surface heating, and the quenching systems used for induction hardening. The discussion also provides information on time-temperature dependence in induction heating, workpiece distortion in induction...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 1995
DOI: 10.31399/asm.tb.sch6.t68200007
EISBN: 978-1-62708-354-6
... with replaceable cast teeth which fit onto cast steel adapters welded to cast steel blades. The blades are produced from a low alloy cast steel, quenched and tempered to 350 BHN. The rest of the cutter is carbon steel with 80 ksi (552 MPa) tensile strength. Fig. 2-28 Cast-weld six-blade cutter for hydraulic...
Series: ASM Technical Books
Publisher: ASM International
Published: 01 December 2000
DOI: 10.31399/asm.tb.htgpge.t67320033
EISBN: 978-1-62708-347-8
...), normally are used. The processes involved in hardening, tempering, recarburizing, and cold treatment of carburized and quenched gears are discussed. Next, the chapter reviews the selection of materials for carburized gears and considerations related to carbon content, core hardness, and microstructure...