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iron bearing deposit removal

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001648
EISBN: 978-1-62708-234-1
... of coupling 1. Fig. 6 Coupling 1, which remained above water level in pump shaft housing (as cut for disassembly from pump shaft) A representative bearing, as removed from the pump, is shown in Fig. 7 and 8 . Each of the bearings was constructed as a longitudinally grooved, hard rubber lining...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001822
EISBN: 978-1-62708-180-1
.... The lubrication was then removed from the bronze bearing at the other end of the axle. The car traveled 55 km (34 miles) before the journal broke under the bronze bearing due to copper penetration ( Ref 7 ). The journal under the nonlubricated cast iron bearing was still red hot, but had not broken. The 1952...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001049
EISBN: 978-1-62708-214-3
... Metal Iron 52 40 1.0 Nickel 35 44 72.0 Chromium 9 11 20.0 Niobium 2 2 2.5 Manganese 2 2 3.0 Corrosion or Wear Deposits Results of analysis of the corrosion products present in some of the cracks are listed in Table 2 . Composition of corrosion products...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001336
EISBN: 978-1-62708-215-0
... plastic such as Teflon. The source of chlorine-bearing electrolyte should be removed by use of a chlorine-free cleaner that is aggressive to the pumped food product, but not the pipe. ...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c9001629
EISBN: 978-1-62708-235-8
... of nondiscolored and discolored areas both showed trace amounts of residue in the form of adherent deposits. EDS, FTIR spectroscopy, XPS, and secondary ion mass spectroscopy (SIMS) analyses indicated that the discoloration to the copper components was due to the development of CuO at localized regions...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006789
EISBN: 978-1-62708-295-2
... irons Thick coatings Thin coatings Metallic plating Diffusion treatments Surface heat treatments Contact fatigue wear (fluid-film lubrication) Bearing steels High-strength martensitic steels Diffusion treatments Surface heat treatments Weld hardfacing Contact fatigue wear (mixed or boundary...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001099
EISBN: 978-1-62708-214-3
... mangled for meaningful study. Shank portions of fractured cap screws that remained embedded within the cast iron housing similarly were useless for study, because their fracture faces were defaced during removal. Because the fractures of the four screwheads exhibited the same general appearance during...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001396
EISBN: 978-1-62708-229-7
... and corrosion will develop. In addition to being present as a surface film, magnetite in a soft powdery form is frequently found in boiler tubes as a corrosion product of iron and as such is often present in the pits and scabs which arise from normal corrosion, differential aeration corrosion, or deposit attack...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003562
EISBN: 978-1-62708-180-1
... considerable noise shortly after delivery of the vehicle. The entire bearing assembly was removed and submitted to the laboratory for failure analysis. In many instances, false Brinelling remains undetected until the machine is started, at which time noisy operation is immediately evident. The phenomenon...
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
... typically in the range of 0.04 to 0.2 mm/year (0.002 to 0.008 in./year). Anaerobic soil environments, where oxygen is absent and where SRB have not precipitated extensive iron sulfide deposits, show intermediate corrosion rates of 0.002 to 0.01 mm/year (0.00008 to 0.0004 in./year). Where the focused action...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003524
EISBN: 978-1-62708-180-1
... corrosion products, and deposits or coatings). Testing under simulated service conditions Finally, the investigation concludes with a synthesis and interpretation of results. This step may actually require reiteration of previous steps or the introduction of new steps. Similar to design, failure...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001486
EISBN: 978-1-62708-234-1
... success. Attempts have been made to reduce or prevent cavitation damage by the application of cathodic protection, and this has been found to be effective in certain instances of trouble on propellers. Diesel engines Cast iron Cavitation wear The rapid wastage, leading to ultimate failure...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001061
EISBN: 978-1-62708-214-3
... in the welds and heat-affected zones (HAZs). Fracture/crack morphology was brittle and primarily intergranular and deposits at crack tips were primarily iron oxides with significant amounts of sodium compounds. On these bases, the cracking was characterized as intergranular stress-corrosion cracking (IGSCC...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001808
EISBN: 978-1-62708-180-1
...-Element Bearings” in this Volume. Wear Wear of metal parts is commonly classified into either of two categories: abrasive wear or adhesive wear. Abrasive Wear Abrasive wear, the undesired removal of material by a cutting mechanism, can reduce the size and destroy the proper shape of a shaft...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001045
EISBN: 978-1-62708-214-3
... for chemical analysis, the composition of samples was determined after removing all the corrosion-affected inner layer by sandblasting and chemical cleaning. The composition was 64.1% Cu and 35.9% Zn (by difference); lead, iron, arsenic, antimony, and phosphorus were all less than 0.001%. It was concluded...
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
... of the boiler-water treatment program, it was decided to inject a chelate to control scale formation in the boiler tubes. Unfortunately, the chelate was added ahead of the preheater, where the boiler water still contained oxygen (O 2 ). As the chelate removed iron oxide, the O 2 formed more iron oxide...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006810
EISBN: 978-1-62708-329-4
... 0.607 1.00 Nickel 0.10 0.75 10.00 10.16 11.06 10–14 Chromium 0.068 2.00 16.00 19.43 19.46 16–18 (c) Molybdenum 0.023 0.65 2.00 2.86 2.88 2–3 Iron bal bal bal bal bal bal (a) Maximum content unless range is given. (b) Carbon content is 0.03% max for type...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003522
EISBN: 978-1-62708-180-1
... the failure took place, for example, its position and relationship to other components must be recorded. All interested parties should also be informed prior to handling or removal of specimens from the site. If parts have been shipped to an investigating laboratory, details of shipment must be recorded...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006757
EISBN: 978-1-62708-295-2
... of abrasive materials that impinge on the component that continually removes surface material. In many cases, the presence of debris buildup may provide critical understanding of the specific wear/erosion mechanism involved in the failure. A common wear problem that is encountered relates to bearings...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001098
EISBN: 978-1-62708-214-3
... surfaces of screw No. 1 and 4 were cleaned using a mild detergent to remove oil and deposits that would prevent observation of fine fractographic details. The fracture surfaces were then examined in an SEM, and typical fractographic features were photographically documented. Figures 4 and 5 are SEM...