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water-side corrosion

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Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0048309
EISBN: 978-1-62708-229-7
...Abstract Abstract A 75 mm OD x 7.4 mm wall thickness carbon steel boiler tube ruptured. A substantial degree of corrosion on the water-side surface leaving a rough area in the immediate vicinity of the rupture was revealed by visual examination. Decarburization and extensive discontinuous...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001570
EISBN: 978-1-62708-220-4
... the exchanger tubes to impose load on seal welds and the shell side cooling water entered the crevice between the tubesheet and the tubes. The cooling water in the crevice caused galvanic reaction and embrittlement of seal welds. Brittle crack opening and crack propagation in seal welds occurred due...
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
...Abstract Abstract The phenomenon of on-load corrosion is directly associated with the production of magnetite on the water-side surface of boiler tubes. On-load corrosion may first be manifested by the sudden, violent rupture of a boiler tube, such failures being found to occur predominantly...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001234
EISBN: 978-1-62708-232-7
...Abstract Abstract In a copper hot water system, a bent pipe was soldered into a straight pipe with twice the diameter. The neighborhood of the soldered joint was covered with corrosion product predominantly blue-green in color, presumably carbonates. When these corrosion products were scratched...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001773
EISBN: 978-1-62708-241-9
...Abstract Abstract A spiral heat exchanger made from 316L stainless steel developed a leak after eight years of service as a condenser on a distillation tower. Examination identified the leak as being located on the cooling water side in the heat affected zone (HAZ) of a weld joining two plates...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c0047328
EISBN: 978-1-62708-231-0
...Abstract Abstract Cracks formed on cylinder inserts from a water-cooled locomotive diesel engine, on the water side in the neck between the cylindrical part and the collar. Cracks were revealed by magnetic-particle inspection. As a rule, several parallel cracks had appeared, some of which were...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001765
EISBN: 978-1-62708-241-9
... impoundment under the tank bottom along the periphery inside the ring wall and failure of water side epoxy coating. Various measures to prevent such failures in the future are recommended. water storage tank corrosion coating defects carbon steel pitting and holes EDX analysis coating thickness...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.chem.c9001404
EISBN: 978-1-62708-220-4
...Abstract Abstract After about four years of service, cracks appeared on the internal or process-side surfaces of four evaporator pans in a sugar concentrator. The pans consisted of a Mo stabilized austenitic stainless steel inner vessel surrounded by a mild steel steam jacket. Corrosion...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001273
EISBN: 978-1-62708-215-0
... of water The most extensive cracking was observed in the rod nuts and in the portions of the rod which were covered by the nuts. Cracking was transgranular with extensive branching, and some corrosion occurred along the crack paths. The clamping force from the nuts used on both sides of the supported...
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
... was attributed to stagnant water on the shell side. It was recommended that the surfaces not be kept in contacts with closed stagnant water for appreciable lengths of time. Chemical processing equipment Condenser tubes, corrosion Condensers 316 UNS S31600 Pitting corrosion Background Several...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001370
EISBN: 978-1-62708-215-0
...Abstract Abstract A service water pump in a nuclear reactor failed when its shaft gave way. The fracture originated in the threaded portion of the sleeve nut on the drive-end side of the shaft. Results of the failure analysis showed that the cracking initiated at the thread root as a result...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.pulp.c0047615
EISBN: 978-1-62708-230-3
.... Boiler tubes Liquids Stress concentration Water chemistry Stainless steel Corrosion fatigue After 10 years of satisfactory operation, several economizer-tube failures occurred in a large black liquor recovery boiler for a paper mill. Several other areas of the boiler had experienced problems...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c0047335
EISBN: 978-1-62708-219-8
...Abstract Abstract A section of cast iron water main pipe contained a hole approximately 6.4 x 3.8 cm (2.5 x 1.5 in.). The pipe was laid in clay type soil. Examination revealed severe pitting around the hole and at the opposite side of the outside diam. A macroscopic examination of a pipe...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0006402
EISBN: 978-1-62708-217-4
... are machined on the flat side, oiled, deburred, hot formed, cleaned, penetrant inspected, covered with oil, and then shotpeened. They are then recoated with oil, shipped to a second vendor, handwiped with a solvent, alkaline cleaned, acid desmutted, sulfuric acid anodized, and hot water sealed. Investigation...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001411
EISBN: 978-1-62708-234-1
... commonly used for bronze welding. Failure resulted from dezincification of the joint material from the internal side of the tube. Also, a selective attack on the beta phase had occurred. It was evident that the loss in mechanical strength arising from the corrosion had resulted in the development...
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
... were analyzed with a test protocol designed to determine the cause of water-side corrosion. Visual examination of the submitted copper pipe sections revealed extensive pitting corrosion throughout the ID surfaces of the sample ( Figure 1 ). Microscopic evaluation of a cross-section of a copper pipe...
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
... failure analysis fatigue fire-side corrosion power plants stress-corrosion cracking tube rupture water-side corrosion FAILURES IN BOILERS and other equipment in stationary and marine power plants that use steam as the working fluid are discussed in this article. The discussion is mainly...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001826
EISBN: 978-1-62708-241-9
... (R&D) . In: Proceeding, IDA World Congress on Desalination & Water Reuse, Bahrain, March 8 – 13 , 2002 6. Mobin M. , Malik A.U. , Andijani I.N. , Muaili F. , Al-Hajri M. : Premature water-side corrosion of furnace wall tubes in a high-pressure boiler...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001569
EISBN: 978-1-62708-229-7
... corrosion penetrations. Examination at higher magnifications better revealed the corrosive character of these penetrations ( Figure 9 ). Fig. 8 Water Side of Tube - Note cracking revealed by penetrant testing opposite side of buckstay weld. Fig. 9 Metallographic specimen through Penetrant...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.bldgs.c9001548
EISBN: 978-1-62708-219-8
... Aluminum cracked and enamel paint on it blistered as a result of corrosion originating from inside of aluminum-plywood panels. ∼2×. Fig. 3 Side view of cross section of aluminum-plywood panel shows delamination of aluminum and general thinning of the metal. ∼2×. Fig. 4 Note blistering...