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petroleum oils

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Published: 01 January 2006
Fig. 3 Examples of molecular species contained in petroleum oils More
Series: ASM Handbook
Volume: 4F
Publisher: ASM International
Published: 01 February 2024
DOI: 10.31399/asm.hb.v4F.a0007002
EISBN: 978-1-62708-450-5
... Abstract In this article, an in-depth overview of petroleum quenching oils is provided, including oil composition, use, mechanism of the oil quenching processes, oil degradation, toxicology and safety, and quenching bath maintenance. oil composition oil degradation oil quenchants oil...
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Published: 01 August 2013
Fig. 10 Cooling time-temperature curves for water, petroleum oil, and an aqueous polymer (PAG, polyalkylene glycol) quenchant superimposed on the continuous-cooling transformation curve for AISI 1045 steel More
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Published: 01 August 2013
Fig. 32 First critical heat flux density, q cr1 , versus petroleum oil temperature ( T ). 1 is MZM-120; 2 is MS-20; 3 is a petroleum quenching oil named Effectol; 4 is MZM-16. Source: Ref 14 More
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Published: 01 August 2013
Fig. 62 Cooling curves obtained during quenching in water, petroleum oil, aqueous polymer solution, molten salt, and molten sodium (at 115, 200, and 300 °C, or 240, 390, and 570 °F). The cooling curves were obtained using a 10 mm (0.4 in.) diameter by 30 mm (1.2 in.) cylindrical silver probe More
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Published: 01 August 2013
Fig. 70 Cooling rate variability that may be exhibited by various petroleum oil quenchants. Courtesy of S.O. Segerberg More
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Published: 01 August 2013
Fig. 81 Effect of molecular weight (MW) and viscosity of petroleum oil basestock on cooling curve behavior. Source: Ref 210 More
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Published: 01 August 2013
Fig. 84 Example of a color body that is formed in a petroleum oil during oxidation. Chemically, this structure is a low-molecular-weight polymeric (oligomeric) benzothiophene. Source: Ref 216 More
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Published: 01 August 2013
Fig. 86 Cooling rate comparison for an unagitated, accelerated petroleum oil quenchant at 50 °C (120 °F) with the same oil subjected to an intermediate level of agitation at a 2.59 J · s −1 · kg −1 torque level More
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Published: 01 February 2024
Fig. 32 Cooling curves obtained during quenching in water, petroleum oil, aqueous polymer solution (PAG, polyalkylene glycol), molten salt, and molten sodium (115 °C, or 240 °F; 200 °C, or 390 °F; and 300 °C, or 570 °F). The cooling curves were obtained using a 10 × 30 mm (0.4 × 1.2 More
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Published: 01 February 2024
Fig. 8 Cooling-rate variability that may be exhibited by various petroleum oil quenchants. Courtesy of S.O. Segerberg More
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Published: 01 February 2024
Fig. 12 Effect of molecular weight (MW) and viscosity of petroleum oil base stock on cooling curve behavior. Adapted from Ref 35 More
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Published: 01 February 2024
Fig. 17 Schematic illustration of micellized asphaltenes in a petroleum oil. Adapted from Ref 41 More
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Published: 01 February 2024
Fig. 19 Example of a color body formed in a petroleum oil during oxidation. Chemically, this structure is a low-molecular-weight polymeric (oligomeric) benzothiophene. More
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Published: 01 February 2024
Fig. 21 Cooling rate comparison for an unagitated, accelerated petroleum oil quenchant at 50 ° C (120 ° F) with the same oil subjected to an intermediate level of agitation at a 2.59 J · s − 1 · kg − 1 torque level More
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Published: 01 February 2024
Fig. 30 Comparison of cooling curves for tap water, conventional petroleum oil quenchant, and aqueous polysodium acrylate, polyvinyl alcohol (PVA), polyalkylene glycol (PAG), and polyvinyl pyrrolidone (PVP) solutions obtained at 20% solution concentration and 27 and 60 °C (80 and 140 °F) bath More
Series: ASM Handbook
Volume: 4F
Publisher: ASM International
Published: 01 February 2024
DOI: 10.31399/asm.hb.v4F.a0007004
EISBN: 978-1-62708-450-5
... and palm oils is discussed, and the article concludes that substantially better performance is required if vegetable oils are to be effective functional equivalents to petroleum oil formulations. This may be done by selecting different vegetable oil compositions with less unsaturation, by applying genetic...
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Published: 01 February 2024
Fig. 18 Cooling curve data of epoxidized bioquenchants at 60 °C (140 °F) bath temperature with no agitation. SO, soybean oil; ESBO, epoxidized soybean oil; FAME, fatty acid methyl ester; EF, ESBO/FAME blend; HG, conventional petroleum oil quenchant; HKB, fast petroleum oil quenchant More
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Published: 01 February 2024
Fig. 19 Cooling-rate curves of epoxidized bioquenchants at 60 °C (140 °F) bath temperature with no agitation. SO, soybean oil; ESBO, epoxidized soybean oil; FAME, fatty acid methyl ester; EF, ESBO/FAME blend; HG, conventional petroleum oil quenchant; HKB, fast petroleum oil quenchant More
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Published: 01 February 2024
Fig. 7 Comparison of cross-sectional hardness of a carbon steel quench simulated for the 15 mm (0.6 in.) near-surface thermocouple (TC) position of the Tensi probe ( Fig. 4 ) into unagitated canola oil, palm oil, a fast petroleum oil quenchant (HKM), and a conventional petroleum oil quenchant More