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Wetting

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Published: 30 August 2021
Fig. 7 Schematic representation of molten solder wetting a substrate. The balance of surface tension forces at the contact edge is illustrated by the black arrows. More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001695
EISBN: 978-1-62708-229-7
... storage basins for 12–18 months while awaiting processing in the separations facilities on site. With the suspension of processing of spent fuel at SRS in 1989 to implement new regulations, policy changes, and safety upgrades, about 200 metric tons of aluminum clad materials have been in wet storage...
Image
Published: 01 June 2019
Fig. 2 a). Edge structure of a steel with 0.73% C after 4 h annealing in wet hydrogen of 1 atm pressure, etched in picral, 100 ×. 700° C. b) Edge structure of a steel with 0.73% C after 4 h annealing in wet hydrogen of 1 atm pressure, etched in picral, 100 ×. 800° C. c) Edge structure More
Image
Published: 01 December 2019
Fig. 4 A cross section of valve body base metal after 3 years of service in wet H 2 S environment. ( a ) Crack emanating from inner surface of the valve’s surface, ( b ) holes and cracks near central zone of the valve, ( c ) surface of the valve’s flange, there is a clear evidence More
Image
Published: 30 August 2021
Fig. 31 Wet fluorescent magnetic-particle inspection photograph of outside pipe surface showing an SCC colony near the rupture area. Multiple similar colonies were observed both upstream and downstream of the rupture. More
Image
Published: 30 August 2021
Fig. 15 Crater crack in carbon steel fillet weld termination as revealed under wet fluorescent magnetic-particle testing More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0091644
EISBN: 978-1-62708-217-4
.... Recommendations included inspecting for corrosion all the bolts that were installed using the water-soluble coolant at the spliced joint areas, rinsing all machined bolt holes with a noncorrosive agent, and installing new PH13-8Mo stainless steel bolts with a polysulfide wet sealant. Air frames Attachment...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0092142
EISBN: 978-1-62708-217-4
.... Recommendations included inspecting for corrosion all the bolts that were installed using the water-soluble coolant at the spliced joint areas, rinsing all machined bolt holes with a noncorrosive agent, and installing new PH13-8Mo stainless steel bolts with a polysulfide wet sealant. A curved member called...
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
... of low level surface chlorides. Controls were implemented to insure that temperatures are kept below 150 deg F, or, walls of the pipe are moisture-free or the cumulative wetted period will never exceed 30 h. Chlorides Piping 304 UNS S30400 Stress-corrosion cracking Transgranular fracture...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001676
EISBN: 978-1-62708-229-7
... the interaction with gamma radiation) and to prevent corrosion. A number of failures have occurred over the years because of a loss of the He cover gas in the assembly. This has resulted in either acid attack on the Inconel 600 sheath in a wet environment or gaseous corrosion in a dry environment. In the latter...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c0091757
EISBN: 978-1-62708-232-7
... (N06617) as a filler alloy. Wet charcoal is fed in at one end of the kiln and travels while being tumbled within the inclined rotating vessel. Temperatures range from 480 deg C (900 deg F) (Zone 1) to 900 deg C (1650 deg F) (Zones 2 and 3). Steam is introduced at the discharge end at 95 g/s (750 lb/h), 34...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c0048698
EISBN: 978-1-62708-228-0
... Abstract Wet natural gas was dried by being passed through a carbon steel vessel that contained a molecular-sieve drying agent. The drying agent became saturated after several hours in service and was regenerated by a gas that was heated to 290 to 345 deg C in a salt-bath heat exchanger...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.pulp.c0091622
EISBN: 978-1-62708-230-3
...-SCC in an area of debris buildup. It appeared the original casting suffered SCC in a low-oxygen area high in chlorides from repeated wet/dry cycles where there was a buildup of debris. Recommendations included redesigning the neck liner to eliminate the abrupt change where there was debris buildup...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c0091806
EISBN: 978-1-62708-219-8
... Abstract A failure occurred in buried brass (92% Cu, 8% Zn) piping used to carry drinking water in wet clay soil after less than two years in service. Investigation (visual inspection, chemical analysis of both the pipe surface and water, and a comparison of the corrosion failure of power...
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.process.c9001241
EISBN: 978-1-62708-235-8
... Abstract Decarburization of steel may occur as skin decarburization by gases either wet or containing oxygen, and as a deep ongoing destruction of the material by hydrogen under high pressure. Guidelines are given for recognizing decarburization and determining at what point cracks occurred...
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Published: 01 June 2019
Fig. 13 Prior Corrosion: Examination of this shipment of steel from Poland revealed that the corrosion was so severe it could not have occurred during the voyage. That is, the corrosion rate would have been in excess of that possible, even if it had been wet for the entire voyage. It was found More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001441
EISBN: 978-1-62708-220-4
... 5% antimony, which is more difficult to use than the usual tin-lead alloys. The use of this particular type of solder was a contributory factor in the production of unsound joints in the samples examined. Expansion Freezing Moisture Pipe joints Wetting Sn-5Sb Copper Joining-related...
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Published: 01 December 1993
Fig. 5 Intergranular cracks propagating along prior-austenite grain boundaries (etch: picric acid + wetting agent). 630× More
Image
Published: 01 December 2019
Fig. 1 Wellhead flow control valve body, 3″ID 2500# A216-WCC, the body carries sour gases with a high wet H 2 S content (24,000 ppm). The maximum working pressure is 1100 psi More