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aqueous corrosion

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.mech.c0051293
EISBN: 978-1-62708-225-9
... as to select a grade of spring steel that would be more corrosion resistant than 302 stainless. Materials selection Spring steels Springs (elastic) Water feeders 302 UNS S30200 304 UNS S30400 Corrosion fatigue After six months of operating a new chicken house, a farmer noticed...
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Published: 01 June 2019
Fig. 9 Structure of corrosion-free region. Etching treatment: 50% aqueous solution of nitric acid, 2 V 3 min. 500 × More
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Published: 01 June 2019
Fig. 10 Structure of corrosion-free region. Etching treatment: 10% aqueous solution of ammonia, 2 V 3 min. 500 × More
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001321
EISBN: 978-1-62708-215-0
.... Potter E.C. and Mann G.M.W. , “The Fast Linear Growth of Magnetite on Mild Steel in High Temperature Aqueous Conditions,” Corrosion , Vol. 21 , 1965 , p 57 – 67 . 3. Evans U.R. , The Corrosion and Oxidation of Metals , Chapter XII, Secondary Supplementary Volume, Edward...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001718
EISBN: 978-1-62708-220-4
... hub. (0.7×) In addition to the pock-marked surface, the damaged impeller is peppered with corrosion pitting. The worst area of pitting is shown in Figure 4 . Zirconium and zirconium alloys are extremely resistant to corrosives, including the aqueous hydrochloric acid (HCl) service environment...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001213
EISBN: 978-1-62708-220-4
...-free region. Etching treatment: V2A-etching solution. 200 × Fig. 9 Structure of corrosion-free region. Etching treatment: 50% aqueous solution of nitric acid, 2 V 3 min. 500 × Fig. 10 Structure of corrosion-free region. Etching treatment: 10% aqueous solution of ammonia, 2 V 3 min...
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Published: 01 January 2002
Fig. 13 Effect of acid concentration on the corrosion rate of iron completely immersed in aqueous solutions of three inorganic acids at room temperature. It should be noted that the scales for corrosion rate are not the same for all three charts. As discussed in text, the corrosion rate More
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Published: 15 January 2021
Fig. 13 Effect of acid concentration on the corrosion rate of iron completely immersed in aqueous solutions of three inorganic acids at room temperature. It should be noted that the scales for corrosion rate are not the same for all three charts. As discussed in the text, the corrosion rate More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0089339
EISBN: 978-1-62708-233-4
..., heat-affected zone, and base metal. The branching and transgranular cracking was found to emanate primarily from the exterior of the tank. It was concluded that the tank failed as a result of stress-corrosion cracking that initiated at the exterior surface as aqueous chlorides, especially within...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001559
EISBN: 978-1-62708-229-7
... lines in the system had thru-wall cracks. Shallow incipient cracks were detected at the lowest elevations of one other line. The balance of the system had no signs of SCC attack. Chlorides and corrosion deposits in varying amounts were found throughout the system. The failure mechanism was transgranular...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001775
EISBN: 978-1-62708-241-9
... . 7. High-Performance Alloys for Resistance to Aqueous Corrosion , Publication SMC-026, Special Metals Corporation , 2000 , p. 17 . 8. Monel Alloy 400 , Publication SMC-053, Special Metals Corporation , 2003 . Selected References Selected References • Vander Voort G.F...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001177
EISBN: 978-1-62708-234-1
... had started from the outside surface of the tube. Electrolytic etching further showed that they had propagated mainly across the grains. It was concluded that this was a typical case of transcrystalline stress corrosion. Chlorides Heating coils X10CrNiMoTi 18 12 Transgranular fracture Stress...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0049796
EISBN: 978-1-62708-235-8
... heating of the bridgewire. Evidence of severe corrosion was revealed on examination of the nickel-chromium-iron alloy bridgewire and the nickel-iron alloy pins. Metallic elements in the pin or bridgewire and substantial amounts of chlorine were detected from the x-ray spectra. Morphological changes...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001164
EISBN: 978-1-62708-227-3
... sensitization and susceptibility to aqueous intergranular corrosion. Chemical analysis showed the predominant acid radical to be sulfate (6.20% in the carbonaceous deposit and 0.60% in the corrosion product), suggesting that oxidation of SO2 in the flue gas caused the corrosion. Moisture condensation...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
.... Faraday’s law establishes the proportionality between current flow and the amount of material dissolved or deposited in electrolysis. Additional information is provided in the article “ Kinetics of Aqueous Corrosion ” in Corrosion: Fundamentals, Testing, and Protection , Volume 13A of the ASM Handbook...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003567
EISBN: 978-1-62708-180-1
... Abstract This article focuses on the corrosion-wear synergism in aqueous slurry and grinding environments. It describes the effects of environmental factors on corrosive wear and provides information on the impact and three-body abrasive-corrosive wear. The article also discusses the various...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001400
EISBN: 978-1-62708-235-8
... was found to be due to stress corrosion. Although the active agent present was not positively identified, the aqueous solution of monoethanolamine was thought to be the most probable. The origin of the stresses was not elucidated but the association of the cracks with the welded seams indicated inherent...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0048819
EISBN: 978-1-62708-233-4
... Abstract A large pressure vessel that had been in service as a hydrogen sulfide (H2S) absorber developed cracks and began leaking at a nozzle. The vessel contained a 20% aqueous solution of potassium hydroxide (KOH), potassium carbonate (K2CO3), and arsenic. The vessel wall was manufactured...
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Published: 01 June 2019
Fig. 11 Structure of transition zone to region of intergranular corrosion. Etching treatment: 50% aqueous solution of nitric acid, 2 V 3 min. 100 × More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001545
EISBN: 978-1-62708-236-5
... stress-corrosion cracking. Stress corrosion wasn't a concern in this application because loads on the surface exposed to the aqueous environment would be compressive — surfaces under compression aren't subject to stress corrosion. I was then advised about a type 440C part that had developed stress...