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High-temperature corrosion and oxidation

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Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006787
EISBN: 978-1-62708-295-2
... coatings that improve performance of superalloy. diffusion gas turbines high-temperature coatings high-temperature corrosion interdiffusion oxidation superalloys WHEN CORROSION FAILURES OCCUR at high temperatures (300 to 1700 °C, or 570 to 3090 °F), the unscheduled outages result in loss...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c0046969
EISBN: 978-1-62708-227-3
... blades IN-713 UNS N07713 High-temperature corrosion and oxidation Aluminide-coated and uncoated IN-713 turbine blades were returned for evaluation after service in a marine environment because of severe corrosion. Based on service time, failure of these blades by corrosive deterioration...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0091754
EISBN: 978-1-62708-229-7
... pressures of the gases within the duct, combined with the high temperatures, facilitated nitrogen pickup. No recommendations were made. Intergranular precipitation Oxidation Spalling Inconel 317 UNS N06617 High-temperature corrosion and oxidation The presence of carbides and carbonitrides...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c0046995
EISBN: 978-1-62708-232-7
... included replacing the material with an alloy, such as RA 333, with a higher chromium content and with an additional element, like silicon, resistant to carburization-oxidation. Carburizing Heat treating furnaces Tubes Hastelloy X UNS N06002 RA 333 UNS N06333 High-temperature corrosion...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001239
EISBN: 978-1-62708-232-7
... upon formation of tight oxide layers are not stable. Heat distributing units Heating coils Overheating 80Ni-20Cr High-temperature corrosion and oxidation A coil made of the nickel-chromium alloy NiCr 80 20 (Material No. 2.4869) with approx. 80 % Ni and 20% Cr had burnt through...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001688
EISBN: 978-1-62708-234-1
... case. Decarburization Superheaters Tube components ASTM A209 Creep fracture/stress rupture Intergranular corrosion High-temperature corrosion and oxidation The authors have been involved in the examination of many failed superheater components and the two examples given here...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c0047343
EISBN: 978-1-62708-236-5
... fatigue fracture (Other, general, or unspecified) distortion High-temperature corrosion and oxidation An experimental high-temperature rotary valve was found stuck in the housing due to growth and distortion after approximately 100 h. Gas temperatures were suspected to have been high due...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001166
EISBN: 978-1-62708-228-0
... in question, the pipes material should be a heat-resistant steel that contains more chromium and has greater resistance to hydrogen sulfide. Corrosion products Hydrogen sulfide Piping Chromium-molybdenum steel Hydrogen damage and embrittlement High-temperature corrosion and oxidation Pipes...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c0046972
EISBN: 978-1-62708-217-4
... Thermal fatigue fracture High-temperature corrosion and oxidation During disassembly of an engine that was to be modified, a fractured turbine blade was found. When the fracture was examined at low magnification, it was observed that a fatigue fracture had originated on the concave side...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001233
EISBN: 978-1-62708-232-7
... Sulfurization X10CrAl 7 Fe-0.37C-26Cr Fe-0.29C-26Cr High-temperature corrosion and oxidation Pipes 42.25 × 3.25 mm from a blast furnace gas fired recuperator for the preheating of air were heavily oxidized and perforated in places. Depending on the load the temperature of the combustion gas in the flue...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c9001238
EISBN: 978-1-62708-232-7
... heating Scale (corrosion) Voids 80Ni-20Cr High-temperature corrosion and oxidation Heating elements, consisting of strips, 40 mm × 2 mm, of the widely used resistance heating alloy with 80% Ni and 20% Cr, and designed to withstand a temperature of 1175°C, were rendered unusable by scaling after...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.petrol.c9001638
EISBN: 978-1-62708-228-0
... spectroscopy Oxide scales Thermodynamics Incoloy 800H UNS N08800 High-temperature corrosion and oxidation Introduction After 9 years in service the transfer line of an ethane-cracking furnace developed a leak during decoking of the furnace tubes. The purpose of the furnace is to heat saturate...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.usage.c0091756
EISBN: 978-1-62708-236-5
.... No recommendations were made. Grain boundary diffusion Sulfurization Inconel 690 UNS N06690 High-temperature corrosion and oxidation An alloy IN-690 (N06690) incinerator liner failed after only 250 h of service burning solid waste. The root cause of the failure was overfiring during startup...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001281
EISBN: 978-1-62708-215-0
... of hot corrosion caused by a combination of contaminants, cooling-hole blockage, and coating loss. Hot gas corrosion X-40 UNS R30031 High-temperature corrosion and oxidation Background The first-stage nozzles of a high-pressure turbine (HPT) section of an industrial gas turbine exhibited...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c0046915
EISBN: 978-1-62708-232-7
... metals Strip mills 309 UNS S30900 High-temperature corrosion and oxidation Intergranular corrosion Severe reduction of wall thickness was encountered at the liquid line of a lead-bath pan ( Fig. 1 ) that was used in a continuous strip or wire oil-tempering unit. Replacement of the pan...
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001106
EISBN: 978-1-62708-214-3
... batch of steel sheet be checked. Disintegration Electric heating elements Holding furnaces Radiant heating Sheaths UNS S31600 316 316S High-temperature corrosion and oxidation Background Three radiant heating element tubes from an aluminum holding furnace failed within 3 months...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0090114
EISBN: 978-1-62708-229-7
... Udimet 520 Creep fracture/stress rupture Thermal fatigue fracture High-temperature corrosion and oxidation This case history illustrates how to evaluate creep, oxidation, and TMF in a first-stage gas turbine blade. Often, it is necessary to estimate the temperature and the applied stress...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c0091761
EISBN: 978-1-62708-229-7
... technique would reduce the stress and make the design more tolerant of corrosion. Marine environments Protective coatings Udimet 500 UNS N07500 High-temperature corrosion and oxidation Turbine buckets in a 37.5 MW gas turbine made of Udimet 500 superalloy failed in service ( Ref 1...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.steel.c0046926
EISBN: 978-1-62708-232-7
... that the cause of failure of each of the three salt pots was severe intergranular corrosion accompanied by substantial chromium depletion. No recommendations were made. Dechromizing Salt baths Salt pots RA-330 UNS N08330 Dealloying/selective leaching Intergranular corrosion High-temperature...
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
... strength, resulting in ductile rupture. The minimum overheating temperature could be deduced at around 1200 deg F due to the presence of a eutectic observed metallographically within the surface corrosion products. Heaters (tube) Rupturing 316 UNS S31600 High-temperature corrosion and oxidation...