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Uniform corrosion

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c0091292
EISBN: 978-1-62708-219-8
... Uniform corrosion (Other, general, or unspecified) corrosion The 25 mm (1 in.) copper coupling shown in Fig. 1 has been uniformly degraded around most of the circumference of the bell and partially on the spigot end. One penetration finally occurred through the thinned area on the spigot end...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0091291
EISBN: 978-1-62708-234-1
.... Boiler tubes Chealating Feedwater Carbon steel Uniform corrosion The carbon steel tubes shown in Fig. 1 have been corroded to paper thinness, revealing a lacelike pattern of total metal loss. These steel tubes are from a boiler feedwater heater feeding a deaerator. As part of the boiler-water...
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
... attack, specifically sulfur-reducing bacteria. No recommendations were made. Piping Sulfur-reducing bacteria Water heaters Copper pipe Uniform corrosion Biological corrosion Microbiological attack of copper piping has been well documented and was found in a closed-loop water heater system...
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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: 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: 01 June 2019
Fig. 4 Stereomicrographs showing the uniform corrosion of the tubes. 10×. (a) Stage 2. (b) Stage 3 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
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006783
EISBN: 978-1-62708-295-2
... are galvanic corrosion, uniform corrosion, pitting, crevice corrosion, intergranular corrosion, selective leaching, and velocity-affected corrosion. In particular, mechanisms of corrosive attack for specific forms of corrosion, as well as evaluation and factors contributing to these forms, are described...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003548
EISBN: 978-1-62708-180-1
... Abstract This article addresses the forms of corrosion that contribute directly to the failure of metal parts or that render them susceptible to failure by some other mechanism. It describes the mechanisms of corrosive attack for specific forms of corrosion such as galvanic corrosion, uniform...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001718
EISBN: 978-1-62708-220-4
.... Uniform corrosion is evident and two deep linear defects are present on impeller blade tips. In contrast, the undamaged impeller surfaces are covered with a dark oxide film. This and many other impellers in seemingly identical service conditions survive long lives with little or no apparent damage...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c0006440
EISBN: 978-1-62708-234-1
... microscopy. The corrosion product contained molybdenum and copper with a trace of gold. The base material was analyzed as molybdenum with negligible alloying additions. The primary mode of corrosion attack on the base material appeared to be intergranular, although uniform corrosion was evident also...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001311
EISBN: 978-1-62708-215-0
... stainless steel tubes. Visual and stereoscopic examination revealed three types of corrosion on the inside surfaces of the tubes: uniform attack, deeper localized corrosive attack, and accelerated uniform attack. Metallographic analysis indicated that pronounced dissimilar-metal corrosion had occurred...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.med.c0048397
EISBN: 978-1-62708-226-6
... Phase transformations Surgical implants Chromium steel Uniform corrosion The four-hole Lane plate shown in Fig. 1(a) was inserted 46 years ago and remained in the body for 26 years. A large portion of the plate disintegrated and consisted mainly of corrosion products. Figure 1(b) shows...
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Published: 01 December 1993
Fig. 3 Typical section through the inside surface of a tube in an area above the level of uniform corrosion, showing localized dissimilar-metal corrosion to a depth of 0.38 mm (0.015 in.) in the base metal at an interface with the weld seam. Note the dendritic microstructure of the weld More
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c0091201
EISBN: 978-1-62708-219-8
... with a welded region, and the microstructure appeared normal. There was no evidence of general wall loss (uniform corrosion). Conclusion The pitting in the austenitic stainless steel pipe is believed to be caused by damage to the passive layer brought about by a combination of MIC, high chloride levels...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001247
EISBN: 978-1-62708-228-0
... Uniform corrosion Three samples from a ruptured 316 stainless steel tube were examined. The samples are shown in Fig. 1 . The unmarked sample was taken from the centre of the rupture where the tube thinned, bulged, spread and became partially flattened. Sample 1 was taken from the edge of the fire...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001699
EISBN: 978-1-62708-234-1
... of corrosion monitoring and poor water quality. Pipe replacement and a regular water testing program were recommended. Monitoring Water pipelines Water treatment Steel pipe Uniform corrosion Crevice corrosion Biological corrosion A shopping mall in South Carolina was originally constructed...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001070
EISBN: 978-1-62708-214-3
... the corrosion to an acceptable limit. Chemical processing equipment Sulfuric acid, environment UNS S31603 UNS N08020 316L 20Cb Uniform corrosion Background Neutralization tanks made of type 316L (UNS S31603) stainless steel became severely corroded in service, even though field corrosion...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001525
EISBN: 978-1-62708-220-4
... cleaning Storage tanks 1006 UNS G10060 Uniform corrosion Metalworking-related failures Introduction After defining the cause of failure by laboratory analysis, most often corrective measures can be established. However, additional laboratory tests are sometimes needed, first to recreate...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001389
EISBN: 978-1-62708-215-0
..., and calibration areas be isolated from molding areas. Ammonia, environment Atmospheric corrosion Circuit breakers Electric contacts, corrosion Electrical resistance 50Ag-50Mo 73W-27Ag Uniform corrosion Background During routine quality control testing, electrical switchgear devices exhibited...