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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 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 Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003517
EISBN: 978-1-62708-180-1
... Abstract This article focuses on the life assessment methods for elevated-temperature failure mechanisms and metallurgical instabilities that reduce life or cause loss of function or operating time of high-temperature components, namely, gas turbine blade, and power plant piping and tubing...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.rail.c0089716
EISBN: 978-1-62708-231-0
... as a result of service stresses acting on the plate having low toughness at the low service temperatures encountered. Recommendations included that the specifications for the steel plates be modified to include a toughness requirement and that improved welding and inspection practices be performed to reduce...
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.power.c9001669
EISBN: 978-1-62708-229-7
... outlet temperature of 566 deg C, the 11.4 cm thick header had operated for approximately 187,000 h at the time of the failure. Discussion focuses on the results of a metallographic examination of boat samples removed from the longitudinal seam weldment in the vicinity of the failure and at other areas...
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
Volume: 1
Publisher: ASM International
Published: 01 December 1992
DOI: 10.31399/asm.fach.v01.c9001108
EISBN: 978-1-62708-214-3
... bending be used for fabrication of the curved parts. A change of alloy to a low-alloy chromium-molybdenum allay to protect against heat was also suggested. References References 1. Stirling B. , “High Temperature Alloys—Failure, Inspections and Repair Techniques,” Technical Paper...
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
... on the outside of the dip tube. The arrow indicates the outside surface Fig. 20 Photomicrograph of the cracks and oxidation on the outside surface of the dip tube Fig. 8 Material found on the quench lines Fig. 21 Stress versus temperature curves for Incoloy 825. Notice the decrease...
Series: ASM Handbook
Volume: 11A
Publisher: ASM International
Published: 30 August 2021
DOI: 10.31399/asm.hb.v11A.a0006807
EISBN: 978-1-62708-329-4
... Abstract This article provides some new developments in elevated-temperature and life assessments. It is aimed at providing an overview of the damage mechanisms of concern, with a focus on creep, and the methodologies for design and in-service assessment of components operating at elevated...
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Published: 01 June 2019
Fig. 3 Predicted temperature using oxide depth measurements at 60% airfoil height More
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Published: 01 June 2019
Fig. 4 Predicted temperature using oxide depth measurements at 90% airfoil height More
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Published: 01 June 2019
Fig. 5 Temperature and elastic stress distribution along line through hole 5 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: 01 June 2019
Fig. 4 Alloy 430 time-temperature-transformation diagram 16 More
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Published: 01 June 2019
Fig. 5 Hardness vs. tempering temperature, Alloy 410 tempered for 2 h 17 More
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Published: 01 June 2019
Fig. 9 Temperature/distance profile and resulting microstructure for a hot-gas burst proof tested TOW flight missile case. More
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Published: 01 June 2019
Fig. 3 Charpy v-notch energy versus temperature for the tank shell steel. The data for shear fracture on the impact specimens are also given More
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Published: 01 June 2019
Fig. 11 Charpy impact results plotted as temperature vs. energy absorbed, % shear failure and % contraction for longitudinal steel samples taken from the mainmast of the U.S.S. Arizona. More
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Published: 01 June 2019
Fig. 12 Charpy impact energy versus temperature for longitudinal specimens from U.S.S. Arizona, HMS Titanic, and A-36 steels. More