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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001709
EISBN: 978-1-62708-229-7
...Abstract Abstract Several waterwall tubes in a power station boiler failed after ten years of service. The boiler is a suspension type equipped with 30 IK boxes where retractable soot blowers are inserted to clean the inside of the boiler using high-pressure steam. The tubes, which operate...
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
... was put into place. Underwater vacuum cleaning equipment was developed and used to remove sludge, several inches thick in some places, from the basin floor and other horizontal surfaces. The sludge is predominately iron oxide, aluminum oxide and other impurities which can set up localized anodic-cathodic...
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
...Abstract Abstract Catastrophic pitting corrosion occurred in type 304L stainless steel pipe flange assemblies in an industrial food processor. During regular service the pumped medium was pureed vegetables. In situ maintenance procedures included cleaning of the assemblies with a sodium...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006772
EISBN: 978-1-62708-295-2
... of this article. With due regard to evidentiary procedures and/or proper notification of interested parties, on-site materials evaluation may be considered by a materials failure analyst. Equipment and supplies considered for a portable field test kit may include: Cleaning supplies Measuring...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001816
EISBN: 978-1-62708-180-1
...Abstract Abstract This article explains the main types and characteristic causes of failures in boilers and other equipment in stationary and marine power plants that use steam as the working fluid with examples. It focuses on the distinctive features of each type that enable the failure...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0001811
EISBN: 978-1-62708-180-1
...Abstract Abstract This article focuses on the mechanisms and common causes of failure of metal components in lifting equipment in the following three categories: cranes and bridges, particularly those for outdoor and other low-temperature service; attachments used for direct lifting...
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
..., and/or wear conditions are being investigated. In an analysis of a fracture, the following steps are described: Selection, identification, preservation, and/or cleaning of critical specimens Macroscopic examination and analysis (fracture surfaces, secondary cracks, and other surface phenomena...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001277
EISBN: 978-1-62708-215-0
... accelerate corrosion through galvanic effects and can promote hydrogen damage. Ultrasonic testing was recommended to locate tubes with severe gouging and corrosion, which are suspect locations for hydrogen damage. The source of the copper should be identified and future chemical cleaning of the boiler should...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.process.c0049796
EISBN: 978-1-62708-235-8
... to be associated with the surfaces of the titanium particles in the pyrotechnic by nuclear magnetic resonance. It was proposed that the chlorine-containing residue combined with the water from the pyrotechnic to form a thin aqueous film corroding the bridgewire and pins. A new cleaning procedure was implemented...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001066
EISBN: 978-1-62708-214-3
... that is more impermeable to the diffusion of ionic species was recommended. Chemical processing equipment Nitric acid, environment Spools, corrosion Sulfuric acid, environment Teflon-lined carbon steel Intergranular corrosion Stress-corrosion cracking Background Testing Procedure and Results...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c0091699
EISBN: 978-1-62708-219-8
..., chemical analysis, 0.75x images, 2x macrographs after light acid cleaning to remove corrosion product, and 75x micrographs) supported the conclusion that the absorber tubes failed by SCC initiated by ammonia contamination in the lithium bromide solution. No recommendations were made. Absorber tubes...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001044
EISBN: 978-1-62708-214-3
... inhibitors used could have caused the SCC observed in the tube samples. The cleaning contractor was asked to provide a complete service log, details of the chemicals used, samples of proprietary inhibitors, and a past history of the chemical cleaning of equipment containing admiralty brass using the same...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003527
EISBN: 978-1-62708-180-1
... for failure analysis photography Fig. 5 Typical carrying case for field and laboratory photographic equipment Fig. 6 Copystand for dual-side incandescent lighting Fig. 7 Fracture-surface side lighting. (a) Photograph of a fatigue fracture resulting from dual-side incandescent...
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
... industries have experienced microbiologically influenced corrosion (MIC). Microbiologically influenced corrosion can cripple critical equipment, such as a fire sprinkler system, in relatively short-time periods, and system failure can occur within months of exposure. Some of the primary factors contributing...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006828
EISBN: 978-1-62708-329-4
... properties of the material, joint design, prebraze cleaning, brazing procedures, postbraze cleaning, and quality control. Factors that must be considered include brazeability of the base metals; joint design and fit-up; filler-metal selection; prebraze cleaning; brazing temperature, time, atmosphere, or flux...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c9001545
EISBN: 978-1-62708-236-5
.... Contaminated units are usually cleaned with noncorroding, inhibited acid solutions. Leaks developed in a large heat exchanger's tubes several months after the unit had undergone just such a routine cleaning. The heat exchanger had been in service for about six years. Failed tubes were plugged...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003552
EISBN: 978-1-62708-180-1
...-Performance Alloys , Vol 1 , ASM Handbook , ASM International , 1990 , p 689 – 736 6. Viswanathan R. and Jaffie R.I. , Clean Steels to Control Hydrogen Embrittlement , Current Solutions to Hydrogen Problems in Steels , American Society for Metals , 1982 , p 275 – 278 7...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006825
EISBN: 978-1-62708-329-4
... Schematic showing temperature profile across the thickness of a clean tube and a tube having internal scale deposits Fig. 69 Photograph of failed boiler tube showing polishing of the outer surface Fig. 66 Photograph of soot-blower erosion on outer surface of water-wall tube Fig...
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
... equipment should be prevented from entering the boiler itself. Also, it is good practice to reduce as far as possible the intrusion of weld flash and other impedances to smooth flow within the boiler tubes. Boiler tubes Corrosion products Magnetite Boiler tube steel High-temperature corrosion...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006830
EISBN: 978-1-62708-329-4
...Abstract Abstract The types of metal components used in lifting equipment include gears, shafts, drums and sheaves, brakes, brake wheels, couplings, bearings, wheels, electrical switchgear, chains, wire rope, and hooks. This article primarily deals with many of these metal components of lifting...