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polymer quenchants

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Published: 01 August 2013
Fig. 111 Cooling rates of different polymer quenchants at 20% concentration at 25 and 60 °C (80 and 140 °F). PVA, polyvinyl alcohol; PAG, polyalkylene glycol; PVP, polyvinyl pyrrolidone More
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Published: 30 September 2014
Fig. 3 Illustration of the ability of a relatively fast aqueous polymer quenchant to harden different section sizes of AISI 1045 carbon steel. Polymer quenchant concentration: 10%; bath temperature: 32 °C (90 °F) More
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Published: 30 September 2014
Fig. 4 Illustration of the ability of a relatively slow aqueous polymer quenchant to harden different section sizes of AISI 4140 low-alloy steel. Polymer quenchant concentration: 20%; bath temperature: 60 °C (140 °F) More
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
... the polymerization of ethyl oxazoline ( Fig. 15 ) and have the most oillike quenching characteristics of all the polymer quenchants commercially available. As a result, PEOX quenchants are being used in a wide range of applications, from induction hardening of steel and cast iron to tank quenching of high...
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005780
EISBN: 978-1-62708-165-8
... Abstract This article, with the aid of illustrations and curves, describes an experiment used to understand the cooling characteristics and transformation behavior of steel wires during patenting. The two aqueous polymer quenchants used as alternatives for lead baths, are carboxymethyl...
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Published: 01 August 2013
quenchant 1). (c) Explosive wetting with large bubbles remaining on the surface, with polymer depositions remaining on the metal surface (polymer quenchant 2 at lower concentration). (d) Repeated explosive wetting, with large bubbles remaining on the surface (polymer quenchant 2 at higher concentration) More
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Published: 01 November 2010
Fig. 14 Effect of quenchant flow rate on the cooling characteristics of (a) reference oil, (b) 20% polyalkylen glycol polymer quenchant, and (c) water at 40 °C (105 °F). Source: Ref 37 More
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Published: 01 August 2013
Fig. 103 Synthesis of selected water-soluble polymers, currently used for polymer quenchant formulation, from their corresponding monomers. Source: Ref 255 More
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
... and thin sections, resulting in localized plastic flow and distortion observed after quenching or during machining. Usually, distortion is controlled in aluminum parts by adding polymers to water quenchants to reduce the convective or film coefficient between the part and the water, as discussed further...
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Published: 30 September 2014
Fig. 9 Relation of the volume of water and weight of work quenched in relation to the temperature rise of the water (or polymer quenchant) More
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Published: 01 August 2013
Fig. 104 Typical thermal separation procedure using inverse solubility of the polyalkylene glycol (PAG) polymer quenchant in water. Source: Ref 258 More
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Published: 01 June 2016
Fig. 18 Comparison cooling rates for 12.5 mm (0.5 in.) thick wrought 7075 aluminum plate when (a) quenching with water at different temperatures and (b) quenching with different concentrations of AMS type I polymer quenchant More
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Published: 30 November 2018
Fig. 11 Comparison cooling rates for 12.5 mm (0.5.in.) thick wrought 7075 aluminum plate when (a) quenching with water at different temperatures and (b) quenching with different concentrations of AMS type I polymer quenchant More
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: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005824
EISBN: 978-1-62708-165-8
..., classification, selection, and maintenance are reviewed in detail. The article addresses the various reasons for quench oil variability and complications due to aging and contamination. brine cooling flow velocity heat-transfer coefficient oil quenchants polyacrylates polyalkylene glycol polymer...
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
... hardening polymer quenching quenchants quenching quenching oils residual stress spray quenching steel water quenching INDUCTION HEATING for the hardening of steels has advantages from standpoint of quenching, because parts are individually processed in a controlled manner. This permits...
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
... entering the furnace chamber. A nitrogen blanket also is employed to prevent water vapors when a polymer quenchant is employed. The design of the quench chute also can influence the distortion of thin-section parts caused by the impact of the parts at the bottom of the chute or angled plates...
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
... cooling rate hardening low-alloy steel polymer quenchants quenchants quenching steel Introduction Heat treatment of steel involves heating to an elevated temperature to facilitate transformation to austenite, which is subsequently followed by a controlled cooling process (quenching...
Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.9781627081665
EISBN: 978-1-62708-166-5
Series: ASM Handbook
Volume: 4A
Publisher: ASM International
Published: 01 August 2013
DOI: 10.31399/asm.hb.v04a.a0005788
EISBN: 978-1-62708-165-8
...) and 25% PAG solution (bottom). Note that the maximum cooling rate for the polymer quenchant occurs at 1.5 mm below the surface of the probe. Now, refer back to the PAG solution cooling curve for the thermocouple at 1.5 mm below the surface ( Fig. 1 , top). Note the distinct change in the slope...