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high-temperature fatigue

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Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003546
EISBN: 978-1-62708-180-1
... strain. Fatigue damage at high temperatures develops as a result of inelastic deformation where the strains are nonrecoverable. Therefore, TMF damage is complex, as it may accumulate over a range of temperatures and strains under both steady-state and/or transient conditions. Thermomechanical fatigue...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006781
EISBN: 978-1-62708-295-2
... in this article. While the term thermomechanical fatigue is also broadly applied to define testing procedures, generic environmental exposure (both high- and low-temperature exposure), and other aspects of material evolution, this article limits the application of the term thermomechanical fatigue...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.marine.c9001657
EISBN: 978-1-62708-227-3
... that coating erosion in conjunction with severe hot-corrosion was responsible for crack initiation in the leading edge area. Coating erosion Marine engines Turbine blades Turbine vanes MAR-M302 Inconel 713C High-temperature corrosion and oxidation Fatigue fracture Introduction...
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.chem.c9001675
EISBN: 978-1-62708-220-4
... Abstract The failure of a reformer tube furnace manifold has been examined using metallography. It has been shown that the cause of failure was thermal fatigue; the damage was characterized by the presence of voids produced by creep mechanisms operating during the high temperature cycle under...
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
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001852
EISBN: 978-1-62708-241-9
... Abstract A 2–3 mm thick electroformed nickel mold showed early cracking under thermal load cycles. To determine the root cause, investigators obtained monotonic and cyclic properties of electroformed nickel at various temperatures and identified possible fatigue mechanisms. With the help...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001743
EISBN: 978-1-62708-217-4
... not function properly. Circumferential cracks and fractures near the head-to- barrel junctions have occurred on numerous cylinders of reciprocating piston engines. In most instances, cracks were caused by high cyclic pressures and high temperatures resulting most probably from detonation. At times, fractures...
Series: ASM Failure Analysis Case Histories
Volume: 3
Publisher: ASM International
Published: 01 December 2019
DOI: 10.31399/asm.fach.v03.c9001848
EISBN: 978-1-62708-241-9
... Hot-worked tool steels are widely used for many applications, particularly in hot forging applications because of its high temperature strength, impact toughness, heat checking, wear resistance, etc. Many signs of damage were observed on the surface of the die. Thermal fatigue failure is suggested...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.auto.c9001543
EISBN: 978-1-62708-218-1
... problems. The temperature in much of the piston was high enough to cause softening by overaging, lowering strength. Automotive engines Overheating Pistons Softening 357 UNS A03570 Thermal fatigue fracture Mixed-mode fracture High-temperature corrosion and oxidation The sustained high...
Book Chapter

Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003544
EISBN: 978-1-62708-180-1
... the effects of load frequency and temperature, material condition, and manufacturing practices on fatigue strength. It provides information on subsurface discontinuities, including gas porosity, inclusions, and internal bursts as well as on corrosion fatigue testing to measure rates of fatigue-crack...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.power.c9001136
EISBN: 978-1-62708-229-7
... of a large industrial fan. The failure occurred from high cycle bending fatigue and appeared to have originated from a weld defect. The fracture toughness of the plate was relatively low, equivalent to K Q = 65 ± 9 MPa m over the operating temperature range of 0 to 400°C. By means...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.aero.c9001019
EISBN: 978-1-62708-217-4
... Abstract A broken aircraft crankshaft and a severely damaged main brass bearing were examined to determine whether engine failure was initiated in the bearing or in the crankshaft. The steel crankshaft failure was a classical fatigue fracture. The bearing had been subjected to extremely high...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006940
EISBN: 978-1-62708-395-9
... for the creep-fatigue interaction behavior of metals at high temperatures. Eftekhari and Fatemi ( Ref 35 ) successfully applied the Chaboche model for the creep-fatigue behavior of three short-glass-fiber thermoplastic composites (polyphenylene ether + polystyrene, polypropylene, and polyamide). Thermal...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006779
EISBN: 978-1-62708-295-2
... in regions of high stresses and strains, the subsequent crack growth mechanisms, and final fracture. They have also contributed to the optimization of materials, manufacturing, and component design as well as to the conduction of a proper failure analysis. Methods and material characteristics for fatigue...
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
... MECHANISMS and metallurgical instabilities reduce life or cause loss of function or operating time of high-temperature components. In addition, once a failure occurs from creep, fatigue, or an embrittlement degradation phenomenon at high temperature, the analysis team is often confronted with the question...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003545
EISBN: 978-1-62708-180-1
... reactions creep deformation creep fatigue failure creep-rupture failure microstructural changes stress-rupture failure thermal fatigue HIGH-TEMPERATURE and stress are common operating conditions for various parts and equipment in a number of industries. The principal types of elevated-temperature...
Series: ASM Failure Analysis Case Histories
Publisher: ASM International
Published: 01 June 2019
DOI: 10.31399/asm.fach.modes.c9001192
EISBN: 978-1-62708-234-1
.... No cause for the crank fracture could be established from material testing. Probably the load was too high for the strength of the crank. Tensile strength could have been increased for the same material by tempering at lower temperature. Additionally, the resistance against high bend fatigue stresses...
Series: ASM Failure Analysis Case Histories
Volume: 2
Publisher: ASM International
Published: 01 December 1993
DOI: 10.31399/asm.fach.v02.c9001346
EISBN: 978-1-62708-215-0
... with high-temperature operating conditions. Moreover, the presence of striations on the fracture surface ( Fig. 4 ) clearly indicates that fatigue was involved, and that cracking was from both sides. The occurrence of fatigue failure in the tube of Unit 1 is not readily explainable because in general...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003540
EISBN: 978-1-62708-180-1
..., and that, for the high Δ K involved, fatigue growth is under plane-stress conditions. This contributes to the shear dimples noted in Fig. 6(b) . At much lower Δ K values at both low temperature ( Ref 14 ) and room temperature ( Ref 15 ), IG ductile fatigue has been noted. Fig. 6 High-cycle fatigue in D6AC...