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nitrate-induced stress-corrosion cracking

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Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001832
EISBN: 978-1-62708-241-9
... particulate air filters. The failure analysis investigation concluded that nitrate-induced stress-corrosion cracking was the cause of the failure. vent pipe nitrate-induced stress-corrosion cracking welding defects galvanized low-carbon steel MnS inclusions ion-coupled plasma-emission spectroscopy...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0091694
EISBN: 978-1-62708-220-4
..., shows multiple branching. Sample sections of the tube sheet were subjected to the mercurous nitrate test. Cracks induced in the sample sections during the test indicated the presence of high residual stresses in the tube sheet. Discussion The presence of ammonia in the river water used...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001806
EISBN: 978-1-62708-241-9
... indicate that ammonia is not likely to have caused the observed stress corrosion cracking. Results are shown in Table 1 . Chemical species present on the electrical connectors Table 1 Chemical species present on the electrical connectors Species Mass (μg) Chloride 28 Nitrate 4.3...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0091690
EISBN: 978-1-62708-234-1
... processing equipment Electric fuses Ferrules Humidity C27000 UNS C27000 Stress-corrosion cracking A substantial number of copper alloy C27000 (yellow brass, 65Cu-35Zn) ferrules for electrical fuses cracked while in storage and while in service in paper mills and other chemical processing plants...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0091631
EISBN: 978-1-62708-229-7
..., and bending of tubing during installation should be avoided to reduce residual stress. Chlorides Steam condensate Tubing 316 UNS S31600 Transgranular fracture Stress-corrosion cracking A steam-condensate line made of type 316 stainless steel tubing that measured 19 mm (0.75 in.) outside...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006785
EISBN: 978-1-62708-295-2
... to the articles “ Hydrogen Damage and Embrittlement ” and “ Liquid-Metal- and Solid-Metal-Induced Embrittlement ” in this Volume and to Corrosion: Fundamentals, Testing, and Protection , Volume 13A of the ASM Handbook , 2003. Stress-corrosion cracking develops when a susceptible metal or alloy is exposed...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003553
EISBN: 978-1-62708-180-1
...Abstract Abstract This article commences with a discussion on the characteristics of stress-corrosion cracking (SCC) and describes crack initiation and propagation during SCC. It reviews the various mechanisms of SCC and addresses electrochemical and stress-sorption theories. The article...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001639
EISBN: 978-1-62708-229-7
... experience nitrate-induced stress-corrosion cracking (SCC). The cracks are associated with fabrication welds and are driven by the residual stresses in the weld heat-affected zones. Later tank designs include a postfabrication stress relief anneal, and no cracking has been observed in the new tanks...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001812
EISBN: 978-1-62708-241-9
...) Introduction Failures of components by liquid–metal embrittlement (LME) and solid–metal-induced embrittlement (SMIE) are less common than failures by other environmentally assisted cracking phenomena such as hydrogen embrittlement (HE), stress-corrosion cracking (SCC), and corrosion-fatigue (CF...
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
... to stress corrosion cracking in mild steel are alkalies (hydroxides), nitrates and occasionally hydrogen sulphide or ammonia. We are informed that this particular process for the removal of CO 2 employed monoethanolamine solution. The substance is alkaline and may well act as inorganic alkalies...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001521
EISBN: 978-1-62708-229-7
... they are immersed. However, a problem developed when several of the brass tubes cracked transversely, allowing cooling water to mix with the oil. The presence of a tensile stress, intergranular cracks, and a corrosion product suggested the tube failures resulted from stress-corrosion cracking. The main corrosion...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001458
EISBN: 978-1-62708-220-4
... attaching the stainless steel skirt to the basket rim and also in the region of the vertical weld which was made when the skirt was formed into a cone. Stress-corrosion cracking of the skirt material, which contained residual stresses due to cold-rolling, had been caused by the presence of sodium chloride...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001082
EISBN: 978-1-62708-214-3
... were also constructed. It was determined that the blades failed by fatigue that had been accelerated by stress-corrosion cracking. The mechanism of failure was flow-induced vibration, in which the vortex-shedding frequencies of the blades were attuned to the natural frequency of the blade/hub...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001617
EISBN: 978-1-62708-227-3
..., stress-corrosion cracking, overload) and causes of failure (e.g., poor design or not designing for the full range of conditions experienced, inappropriate materials selection, preexisting metallurgical defects, residual or applied stresses greater than anticipated). Without first establishing the mode...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001318
EISBN: 978-1-62708-215-0
... detection of Hg or to detect nitrogen, since ammonia stress corrosion cracking was initially suspected as a failure mechanism. XPS was performed on the unfailed disc on which trace Hg was detected by EDS. Nitrogen, as nitrate, and iron, as iron oxide, were the only elements found that were extraneous...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006788
EISBN: 978-1-62708-295-2
... chemical species to another in the nitrogen cycle. Ammonium, nitrate, and nitrite can be linked to cracking and/or corrosion under various conditions. Ammonium produced by the microbiological reduction of nitrate has been linked to stress-corrosion cracking failures in admiralty brass condenser tubes...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001335
EISBN: 978-1-62708-215-0
.... Discussion Many polycrystalline metals can become brittle and fail along grain boundaries when a low stress is applied. The brittleness has been attributed to intergranular weakness caused by the precipitation or segregation of impurities to grain boundaries. For example, Auger electron spectroscopy...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003555
EISBN: 978-1-62708-180-1
... Chloridation Hydrogen interactions Molten metals Molten salts Aging reactions, such as sensitization Environmental cracking (stress-corrosion cracking and corrosion fatigue) The presence of molten salts or metals may induce other mechanisms, such as galvanic corrosion, crevice corrosion...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006823
EISBN: 978-1-62708-329-4
...-Corrosion Cracking of Alpha Brass , Corros. Sci. , Vol 5 ( No. 12 ), Jan 1965 , p 821 – 840 , 10.1016/S0010-938X(65)80012-9 19. Sridhar N. , Beavers J.A. , Rollins B. , Chawla S. , Evans K. , and Li X. , Stress Corrosion Cracking and Localized Corrosion...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006813
EISBN: 978-1-62708-329-4
... to environmentally assisted or stress-corrosion cracking (SCC) in service. The residual stresses on the inner and outer surfaces of the tube and through the tube wall must be low; residual stresses at the surfaces should be compressive to minimize the potential of SCC. Cleaning methods, control of heat treating...