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Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001749
EISBN: 978-1-62708-215-0
... Abstract An oxygen line that was part of a mobile, truck -mounted oxygen-acetylene welding unit exploded in service. Analysis revealed that the failure occurred at the flexible hose-to-valve connection. It was further determined that a steel adapter had been installed at the point of failure...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.design.c0065826
EISBN: 978-1-62708-233-4
... Abstract The wires used in a wet precipitator for cleaning the gases coming off a basic oxygen furnace failed. The system consisted of six precipitators, three separate dual units, each composed of four zones. Each zone contained rows of wires (cold drawn AISI 1008 carbon steel) suspended...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001654
EISBN: 978-1-62708-220-4
.... This was attributed to the fact that they were downstream from a deaeration unit. It was concluded that the pitting was caused by a synergistic effect of chlorine and oxygen in the make-up water. Because it was not possible to install a deaeration unit upstream of the heat exchangers, it was recommended...
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Published: 01 January 2002
Fig. 9 Uniform corrosion of steel tubes in boiler feedwater containing oxygen (O 2 ) and a chelating water-treating chemical More
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Published: 30 August 2021
Fig. 22 Schematic showing the mechanism of oxygen pitting More
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Published: 15 January 2021
Fig. 9 Uniform corrosion of steel tubes in boiler feedwater containing oxygen (O 2 ) and a chelating water-treating chemical More
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Published: 15 January 2021
Fig. 19 Oxygen pitting along the outside-diameter surface of boiler tubes from a fire-tube boiler. (a) Through-wall pitting due to oxygen pitting. (b) Oxygen pitting had penetrated approximately 80% of the boiler tube wall thickness on this sample. More
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Published: 15 May 2022
Fig. 1 Temperature, smoke evolution, and concentration of oxygen, CO, and CO 2 plotted as a function of time for the burning process. Source: Ref 10 More
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Published: 15 May 2022
Fig. 4 Typical equipment used for the limiting oxygen index test (ASTM D2863). 1, burning specimen; 2, clamp with rod support; 3, igniter; 4, wire screen; 5, ring stand; 6, glass beads in a bed; 7, brass base; 8, tee; 9, cut-off-valve; 10, orifice in holder; 11, pressure gage; 12, precision More
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Published: 15 May 2022
Fig. 3 Macroradical reacting with oxygen to form a primary hydroperoxide More
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Published: 01 June 2019
Fig. 1 Precipitator wires from a basic oxygen furnace. (a) Original AISI 1008 carbon steel wire, wrapped around an insulator spool and fastened with a ferrule made from type 430 ferritic stainless steel. One ferrule has been removed. (b) Close-up view showing the fractured wire face inside More
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Published: 01 June 2019
Fig. 5 A typical EDS spectrum for the tank fracture surface displays oxygen, chlorine, sulfur, and calcium consistent with corrosion products and minerals from the hot water. More
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Published: 01 June 2019
Fig. 8 SEM photomicrographs illustrating the effect of eliminating oxygen from the system. (a) aged in air, 4 mo - 100 C; (b) aged in dry nitrogen, 4 mo - 100 C. More
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Published: 01 June 2019
Fig. 1 Uniform corrosion of steel tubes in boiler feedwater containing oxygen (O 2 ) and a chelating water-treating chemical More
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Published: 01 June 2019
Fig. 4 Analysis of Coolant 1 by EDS revealed carbon and oxygen, along with small amounts of sulfur and phosphorus. More
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Published: 01 June 2019
Fig. 5 Analysis of Coolant 2 by EDS revealed carbon and oxygen, along with detectable aluminum, sodium, sulfur, phosphorus, and chlorine. More
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Published: 01 June 2019
Fig. 11 Effect of welding oxygen-containing copper in neutral oxy-acetylene flame. (× 160). More
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Published: 01 June 2019
Fig. 12 Effect of welding under protective atmosphere. (a) oxygen-containing copper. (b) oxygen-free copper. More
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Published: 01 June 2019
Fig. 4 X-ray map of the distribution of oxygen (obtained by wavelength spectrometer) in the area covered by Figure 23 showing that the inclusion particles contain a lot of oxygen; 150×. More
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Published: 01 June 2019
Fig. 9 X-ray map showing the distribution of oxygen in the area illustrated in Figure 6 . 100×. More