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Cooling performance of aqueous salt and alkali solutions (JB/T 6955-1993)

Abstract

Cooling performance of surface salt and alkali aqueous solution (JB/T 6955-1993)quenching medium Con

Cooling performance of aqueous salt and alkali solutions (JB/T 6955-1993)

Keywords: performance, solution, Salt, alkali, cooling performance, quenching medium, concentration, density, maximum cooling rate, average cooling rate,

Cooling performance of surface salt and alkali aqueous solution (JB/T 6955-1993)


quenching medium Concentration（％) Density(g/cm3) Maximum cooling rate Maximum cooling rate Average cooling rate of 200-300 ℃ (℃/s)
Temperature（℃) Speed（℃/s)
Aqueous sodium chloride solution 5 1.031 1 506 1702 800
10 1.074 4 529 1827 710
20 1. 147 7 719 624 408
30 1. 199 9 744 419 266
Aqueous calcium chloride solution 5 1.039 9 536 2018 1199
10 1.081 8 562 2136 840
20 1. 183 8 560 1966 725
40 1.329 9 570 1062 322
Aqueous sodium carbonate solution 5 1. 023 2 486 1668 715
10 1.042 1 528 1965 795
20 1.081 8 562 1434 705
30 1. 131 1 640 1001 480
Aqueous sodium hydroxide solution 5 1.052 9 596 1868 700
10 1. 1144 602 2053 740
20 1.225 5 635 2018 625
30 1.327 7 640 1925 525

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