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Bacterial corrosion

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001655
EISBN: 978-1-62708-220-4
... and not at the surface. Our final conclusion is that localized carbide segregation in the original plate served as preferential corrosion sites for the bacterial attack which developed chloride-induced pits, or anaerobic-induced pits that resulted in leaking of the tanks. Had the tanks been...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0091293
EISBN: 978-1-62708-234-1
... Abstract Copper piping in a closed-loop water heater system was found to be corroded with MIC and erosion of the weak oxide layer. Investigation (visual inspection, bacterial corrosion cultures, and 20x/400x micrographs) supported the conclusion that the corrosion was caused by microbiological...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0091809
EISBN: 978-1-62708-217-4
... weeks. No recommendations were made. Bacterial corrosion Microbial induced corrosion 7075 UNS A97075 Biological corrosion An early case of MIC on aluminum was identified in aircraft wing tank failures in the 1950s. In this case, water condensed into the fuel tanks during flight led to...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0091807
EISBN: 978-1-62708-229-7
... operating system and on test coupons exposed to the operating environment) supported the conclusion that the failure was caused by microbe-initiated SCC. No recommendations were made. Bacterial corrosion Microbial corrosion Admiralty brass Stress-corrosion cracking Biological corrosion...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001034
EISBN: 978-1-62708-214-3
... station and implementation of bacteria control measures (a special drying process after washing and use of a sanitizing rinse) were recommended. Bacterial corrosion Tanks, corrosion Trucks 316L UNS S31603 Biological corrosion Pitting corrosion Selected Reference...
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
... microbial induced corrosion by sulfate-reducing bacteria. No recommendations were made. Bacterial corrosion Microbial induced corrosion 92Cu-8Zn C68700 UNS C68700 C70600 UNS C70600 C71500 UNS C71500 Biological corrosion A failure of buried brass (92% Cu, 8% Zn) piping used to carry...
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
... Pitting at the ID. Also shows remnants of a bacterial colony. Fig. 3 Pitting corrosion at the ID and evidence of bacterial corrosion. Fig. 4 Pitting at the OD surface of a copper tube. Chemical testing for material composition indicated that the copper pipes met the material...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003556
EISBN: 978-1-62708-180-1
... provide a scorecard for the identification of MIC sites on mild steel, based on three types of evidence ( Ref 32 , 33 ): Metallurgical: appearance of the corrosion damage Biological: cell counts for SRB, APB, and general bacterial population Chemical: identification of corrosion...
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
... Abstract This article focuses on the mechanisms of microbiologically influenced corrosion as a basis for discussion on the diagnosis, management, and prevention of biological corrosion failures in piping, tanks, heat exchangers, and cooling towers. It begins with an overview of the scope of...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001704
EISBN: 978-1-62708-218-1
... of aerobic iron-oxidizing bacteria such as gallionella . Rust-colored streaks emanating up and down from the corrosion pits are also a characteristic of iron-oxidizing bacterial attack [ 2 , 3 ]. References 1. Little B. and Wagner P. , Materials Performance , p...
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 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 explains the...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001769
EISBN: 978-1-62708-241-9
... 37. Tourney J. , Ngwenya B.T. : Bacterial extracellular polymeric substances (EPS) mediate CaCO 3 morphology and polymorphism . Chem. Geol. 262 , 138 – 146 ( 2009 ) 10.1016/j.chemgeo.2009.01.006 Selected References • Jack T.R. , Biological Corrosion Failures...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001064
EISBN: 978-1-62708-214-3
... hydrotesting procedures was recommended to prevent similar failures. Bacterial corrosion Chemical processing equipment, corrosion Leakage Pipe, corrosion 304 UNS S30400 Biological corrosion Pitting corrosion Selected References • Jack T.R. , Biological...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001808
EISBN: 978-1-62708-241-9
... of poor operations or improper materials selection, and thus often preventable. heat exchangers drain lines corrosion bacterial growth copper stainless steel pitting perforations microscopy corrosion resistance 304L stainless steel (austenitic wrought stainless steel) UNS S30403...