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deaerators

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Published: 01 January 2006
Fig. 10 Life assessment of deaerators. Source: Ref 50 More
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Published: 01 January 2006
Fig. 7 Utility cycle tray deaerating heater with the deaerating vessel on top of storage tank. Courtesy of Jonas, Inc. More
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Published: 01 January 2006
Fig. 3 Corrosion of various copper alloys in (a) deaerated and (b) aerated NH 3 . A carbon steel (A-285) is included for comparison. Source: Ref 33 More
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Published: 01 January 2002
Fig. 33 Effect of nickel on SCC in 20.4% MgCl 2 deaerated with nitrogen. Source: Ref 26 More
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Published: 01 December 2004
Fig. 13 Polarization curves representative of an alloy in a deaerated-acid environment showing active/passive behavior. E H is the equilibrium potential for the hydrogen reaction. E M is the indefinite potential near which metal dissolution is very small. E corr is the corrosion More
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Published: 01 January 2003
Fig. 41 Anodic polarization curves for aluminum alloy 7075-T651 in deaerated 3.5% sodium chloride solution showing the domains of behavior predicted from the curve. Source: Ref 80 More
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Published: 01 January 2003
Fig. 5 Open-circuit potentials of commercially pure (CP) titanium in deaerated 0.1 M NaCl solution and deaerated 5 M HCl solution at 37 °C (99 °F). In 0.1 M NaCl, CP titanium did not exhibit the drop in open-circuit potential that is characteristic of surface activation after oxide More
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Published: 01 January 2006
Fig. 3 Cyclic potentiodynamic polarization for alloy 22 (UNS N06022) in deaerated 5 M CaCl 2 solutions at different temperatures. The higher the temperature, the lower the breakdown potential ( E 200) or repassivation potential ( E R1) More
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Published: 01 January 2006
Fig. 8 Cracks associated with carbon steel deaerator welds, (a) transverse in the weld and (b) longitudinal. (c) Closeup of crack tip in (b). Courtesy of Jonas, Inc. More
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Published: 01 January 2006
Fig. 9 Deaerator storage tank weld cracking: crack depth as a percentage of wall thickness per year versus (a) time in service, (b) operating pressure, and (c) operating/design pressure ratio. Source: Ref 50 More
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Published: 01 January 2005
Fig. 12 Corrosion rates of copper alloys and low-carbon A-285 steel in deaerated NH 3 solutions. Test duration: 1000 h. Source: Ref 10 More
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Published: 01 January 2005
Fig. 5 Electrochemical behavior of C-2000 and B-3 alloys in pure deaerated 20% HCl solution with 0 ppm ferric ions at 25 °C (77 °F). SCE, saturated calomel electrode More
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Published: 01 January 2005
Fig. 6 Electrochemical behavior of C-2000 and B-3 alloys in deaerated 20% HCl solution with 100 ppm ferric ions, at 25 °C (77 °F). Limiting current density, I L ≈10 −4 A/cm 2 . SCE, saturated calomel electrode More
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Published: 01 January 2005
Fig. 7 Electrochemical behavior of C-2000 and B-3 alloys in deaerated 20% HCl solution with 1000 ppm ferric ions at 25 °C (77 °F). Limiting current density, I L ≈ 10 −3 A/cm 2 . SCE, saturated calomel electrode More
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Published: 01 January 2005
Fig. 8 Corrosion rates of B-3 and C-2000 alloys in deaerated 20% HCl solution versus added ferric ion concentrations at 25 °C (77 °F) More
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Published: 01 January 2005
Fig. 24 Effect of chromium content on pitting potential of FeCr alloys in deaerated 0.1 N NaCl at 25 °C (77 °F). Source: Ref 20 More
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Published: 01 January 2006
Fig. 20 Three-stage vacuum deaerator tower. L 1 , L 2 , L 3 and V 1 , V 2 , V 3 are liquid and vapor sample points, respectively. Pressure decreases as the liquid moves down the tower. Source: Ref 57 More
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Published: 30 August 2021
Fig. 81 Schematic of mechanical-type deaerator vessel. BFW, boiler feedwater More
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Published: 01 January 2024
Fig. 12 Results of fluorescent penetrant inspection of the deaerator shell described in Fig. 10 . While visual examination of the fracture yielded little information, the branched cracking revealed by penetrant inspection provided definitive evidence of stress-corrosion cracking. A dense More
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005683
EISBN: 978-1-62708-198-6
... current density determination by Tafel extrapolation, potentiodynamic measurement of the polarization resistance, electrochemical impedance measurement, and potentiostatic deaeration. Tests combining corrosion and mechanical forces, such as fretting corrosion tests, environment-assisted cracking tests...