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high temperatures

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Published: 01 December 2019
Fig. 12 Ultimate tensile strengths (UTS) of various steels at high temperatures (high-strain-rate UTS at temperature as percentage of high-strain-rate UTS at room temperature). (Adapted from Ref 14) More
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Published: 01 December 2019
Fig. 2 Regimes of high-temperature attack; temperatures are approximate [ 1 ] More
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003555
EISBN: 978-1-62708-180-1
... Abstract High temperature corrosion may occur in numerous environments and is affected by factors such as temperature, alloy or protective coating composition, time, and gas composition. This article explains a number of potential degradation processes, namely, oxidation, carburization...
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
... Abstract High-temperature corrosion can occur in numerous environments and is affected by various parameters such as temperature, alloy and protective coating compositions, stress, time, and gas composition. This article discusses the primary mechanisms of high-temperature corrosion, namely...
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...
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Published: 01 June 2019
Fig. 3 Temperatures developed in racing were high enough to melt out low-melting-point material in the 357 alloy, leaving porous zones in piston crowns. Such structures appear as shrinkage porosity in radiographs. Unetched; 35×. More
Series: ASM Failure Analysis Case Histories
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001108
EISBN: 978-1-62708-214-3
... in petrochemical plants to produce hydrogen via a high-temperature reaction between steam and hydrocarbon gases in the presence of a catalyst. The reaction occurs inside heat-resistant, spun-cast tubes. These are high-chromium and nickel alloy tubes that are welded to the headers and pigtails that connect...
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Published: 01 January 2002
Fig. 2 High-temperature degradation of a gas turbine transition duct. (a) Carbide, carbonitride precipitates, and oxide pentration along grain boundary. (b) Creep cracking along grain-boundary precipitates (arrows) on IN-617 panel. Creep cavities along grain boundaries link up and lead More
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Published: 30 August 2021
Fig. 13 Representative micrograph showing high-temperature hydrogen attack damage in the form of intergranular fissuring and decarburzation in carbon steel. Original magnification: 500×. Etched with 2% nital solution More
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Published: 30 August 2021
Fig. 52 Micrograph of high-temperature hydrogen attack of postweld heat treated carbon steel in hydrogen service. (a) Etched with 2% nital solution to show weld and heat-affected zone (HAZ). (b) As-polished to show fissures, including an almost through-wall crack on the HAZ on the left. Source More
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Published: 30 August 2021
Fig. 98 Operating limits for steels in hydrogen service to avoid high-temperature hydrogen attack. PWHT, postweld heat treatment. Source: Ref 44 More
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Published: 30 August 2021
Fig. 16 Microstructural evolution during high-temperature creep damage. (a) Initial ferrite plus pearlite. (b) In situ spheroidized carbide. (c) Grain-boundary carbides. (d) Creep voids. Original magnification: 200× More
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Published: 01 June 2019
Fig. 1 High-temperature degradation of a gas turbine transition duct. (a) Carbide, carbonitride precipitates, and oxide pentration along grain boundary. (b) Creep cracking along grain-boundary precipitates (arrows) on IN-617 panel. Creep cavities along grain boundaries link up and lead More
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Published: 15 January 2021
Fig. 2 High-temperature degradation of a gas turbine transition duct. (a) Carbide, carbonitride precipitates, and oxide penetration along grain boundaries. (b) Creep cracking along grain-boundary precipitates (arrows) on IN-617 panel. Creep cavities along grain boundaries link up and lead More
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Published: 15 January 2021
Fig. 33 Effect of extended high-temperature exposure for 1000 h at 900 °C (1650 °F) on coating 24/alloy 792. (a) Coating structure largely intact before exposure. (b) Breakup of coating phases after exposure, leading to breakdown of corrosion resistance and coating failure into the superalloy More
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Published: 15 May 2022
Fig. 3 Typical dynamic mechanical spectrum of high-temperature epoxy resin system. G ′, shear modulus; G ″, loss modulus More
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Published: 15 May 2022
Fig. 9 Typical dynamic mechanical analysis (DMA) spectrum of high-temperature epoxy-resin system. G′, storage modulus. G″, loss modulus More
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Published: 01 December 2019
Fig. 15 Effect of high- temperature exposure resulting in partial resolutioning of the gamma prime γ ′ precipitates in a SX blade casting. Rafting (coalescence and elongation of the γ ′ ) occurs perpendicular to the primary stress direction. Cuboidal precipitates (darker phase More
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
... Abstract An experimental high-temperature rotary valve was found stuck due to growth and distortion after approximately 100 h. Gas temperatures were suspected to have been high due to overfueled conditions. Both the rotor and housing in which it was stuck were annealed ferritic ductile iron...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001814
EISBN: 978-1-62708-241-9
... to the high-temperature degradation were also analyzed and are discussed. pressure vessel fracture overtemperature steel bulging rupture x-ray diffraction analysis fracture toughness SA387 grade 11 class 2 (1.25Cr-0.5Mo chromium-molybdenum alloy steel) ASTM B424 (Ni-Fe-Cr-Mo-Cu alloy, Incoloy...