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corrosion pitting

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c0048419
EISBN: 978-1-62708-226-6
... Abstract Heavy pitting corrosion on type 304 stainless steel bone screw was studied. A screw head that exhibited heavy pitting corrosion attack was observed. Deep tunnels that penetrated the screw head and followed the inclusion lines were revealed. The screw was inserted in a plate made...
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Published: 01 January 2002
Fig. 24 Crevice corrosion pitting that has taken place where type 316 bubble caps contact a type 316 stainless steel tray deck. The oxygen-concentration cell corrosion occurred in concentrated acetic acid with minimal oxidizing capacity. 1 8 actual size More
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Published: 01 June 2019
Fig. 5 Examples of corrosion pitting in plate. Etched electrolytically 5% HSO 4 . 20 × More
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Published: 01 June 2019
Fig. 6 Examples of corrosion pitting in plate. Etched electrolytically 5% HSO 4 . 20 × More
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Published: 01 June 2019
Fig. 4 Patches of corrosion pitting are evident on the damaged impeller surface. (1.1×) More
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Published: 01 June 2019
Fig. 3 Bar with corrosion pitting. 15 × More
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Published: 01 June 2019
Fig. 3 Corrosion pitting and cracking appeared under the green (G) epoxy primer and gray paint (P) near the start of fracture of Fig. 2 . Magnification 420 times. More
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Published: 01 June 2019
Fig. 4 Corrosion pitting in bearing ring. Unetched longitudinal section. 100 × More
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Published: 01 June 2019
Fig. 5 Corrosion pitting in needle. Unetched transverse section. 100 × More
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Published: 15 January 2021
Fig. 24 Crevice corrosion pitting that has taken place where type 316 bubble caps contact a type 316 stainless steel tray deck. The oxygen-concentration cell corrosion occurred in concentrated acetic acid with minimal oxidizing capacity. ⅛ actual size More
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Published: 01 December 1992
Fig. 11 Sectioned forging (part 6), showing extensive corrosion pitting on end surface. ∼0.06×. More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001616
EISBN: 978-1-62708-229-7
... Abstract Severe pitting corrosion of a carbon steel tube was observed in the air preheater of a power plant, which runs on rice straw firing. Approximately 1450 tubes were removed from Stage 3 of the preheater (air inlet and flue gas outlet) due to corrosion and local bursting. Samples from...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001697
EISBN: 978-1-62708-219-8
... treatment C12200 UNS C12200 ASTM B88 UNS C12200 Pitting corrosion Potable waters are defined as waters that are suitable for drinking purposes. Potable waters are in use throughout the United States and new systems are being installed on a daily basis. The quality of potable waters...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.homegoods.c9001698
EISBN: 978-1-62708-222-8
... Abstract A residential subdivision near Tampa, FL was constructed in 1984 through 1985. Several sections of copper pipe were removed from one residence that had reported severe leaking. Visual examination revealed extensive pitting corrosion throughout the ID surfaces of the sample. Microscopic...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0091318
EISBN: 978-1-62708-217-4
... afterward. Recommendations included revising directions for sterilization and rinsing. Aircraft components Cleaing solution Hypochlorites Nitrates Water tanks 321 UNS S32100 Surface treatment related failures Pitting corrosion Two freshwater tanks of type 321 stainless steel were removed...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0048318
EISBN: 978-1-62708-234-1
... Abstract A resistance-welded carbon steel superheater tube made to ASME SA-276 specifications failed by pitting corrosion and subsequent perforation, which caused the tube to leak. The perforation was found to have occurred at a low point in a bend near the superheater outlet header...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c0060104
EISBN: 978-1-62708-220-4
... on the outer surfaces. The cracking was revealed by metallographic examination to have initiated from the outer surface, frequently at pits, and penetrated the tube wall in a transgranular, branching fashion. The crack features were characteristic of chloride stress-corrosion cracking. A change in tube...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001063
EISBN: 978-1-62708-214-3
... plant. Examination of tubes and tube sheets revealed pitting damage on the OD surface. Some of the pits had penetrated fully, resulting in holes. Inside diameter surfaces were free of corrosion. Macro- and microexaminations indicated that the tubes had been properly manufactured. Pitting was attributed...
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Published: 15 January 2021
Fig. 38 Corrosion pits and stress-corrosion cracking in type 316 stainless steel evaporator tubes. (a) View of the rust-stained and pitted area near the top of the evaporator tube. A myriad of fine, irregular cracks is discernible visually, although it is not clear in the photograph. (b) View More
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Published: 01 January 2002
Fig. 20 Scanning electron micrograph showing a corrosion pit at the origin of a fatigue fracture in a stainless steel wire. Source: Ref 23 More