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quenchants

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Series: ASM Handbook
Volume: 4B
Publisher: ASM International
Published: 30 September 2014
DOI: 10.31399/asm.hb.v04b.a0005933
EISBN: 978-1-62708-166-5
... conductivity, viscosity, specific heat, density, and surface tension. It reviews wetting and boiling heat-transfer characteristics of nanofluids as quenchants and highlights the importance of using nanofluids as effective quench media for the hardening process during heat treatment. The article describes...
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
... for carbon and low-alloy steels. As a single-value parameter alternative to Grossmann H-values, QFA is a potential method to qualify a quenching medium or process or to effectively monitor variation of quench severity due to either the quenchant or the system. The article describes the procedures...
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
... Abstract This article describes various quenchants, namely, water and inorganic salt solutions, polymers (polyvinyl alcohol, polyalkylene glycol, polyethyl oxazoline, polyvinyl pyrrolidone and sodium polyacrylates), quench oils, and molten salts, which are used for heat treatment of ferrous...
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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: 01 June 2016
Fig. 21 Synthesis of polyalkylene glycol quenchants More
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Published: 30 September 2014
Fig. 10 Synthesis of polyalkylene glycol quenchants. PAO, polyalphaolefin. Source: Ref 3 More
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Published: 30 September 2014
Fig. 15 Synthesis of polyethyl oxazoline quenchants from ethyl oxazoline. Source: Ref 7 More
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Published: 30 November 2018
Fig. 14 Synthesis of polyalkylene glycol quenchants More
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Published: 01 December 1998
Fig. 5 Effect of selected quenchants on the cooling curve of a 25.4 mm (1.0 in.) diam steel bar. All quenchants flowing at 0.50 m/s (100 ft/min). PAG, polyalkylene glycol More
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...
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Published: 09 June 2014
Fig. 23 Variation in Grossmann hardenability factor ( H ) of a PAG quenchant as a function of polymer concentration, bath temperature, and circulation rate More
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Published: 01 August 2013
Fig. 6 Effects of quenchant and agitation on hardness of 1045 steel. Adapted from Ref 5 More
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Published: 01 January 2002
Fig. 58 Effect of quenchant flow direction on distortion More
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Published: 01 January 2002
Fig. 62 Polyakov rules for immersion of cylindrical parts into a quenchant. The dashed horizontal lines indicate the level of the liquid; the vertical arrows indicate the direction of immersion of the part. P SC indicates the perimeter of the stress concentrator. More
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Published: 01 August 2013
Fig. 8 Effects of quenchant temperature on cooling power in end-quench test. Effect is slight up to 38 °C (100 °F), impaired at 52 °C (125 °F), and greatly impaired above 71 °C (160 °F) More
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Published: 01 August 2013
Fig. 79 Cooling time-temperature curves of a hot oil quenchant at 200 °C (390 °F) after increasing use superimposed on a time-temperature transformation curve for a bearing steel More
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Published: 01 August 2013
Fig. 110 Cooling rate of a polyacrylate quenchant as a function of concentration and temperature More
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Published: 01 January 2002
Fig. 57 Harmful effects of impeded vertical quenchant flow through the load of a batch quench system More
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Published: 01 June 2016
Fig. 17 Effect of polyalkylene glycol quenchant concentration on short-transverse 0.1 and 0.2% proof stress and tensile strength of 25 and 100 mm (1 and 4 in.) thick 7075 forgings. Solution heat treated 4 h at 460 °C (860 °F) and aged 12 h at 135 °C (275 °F). CWQ, cold water quench; BWQ More
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Published: 30 September 2014
Fig. 1 Allocation of process control and quenchant costs More