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creep-fatigue crack growth

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Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002389
EISBN: 978-1-62708-193-1
... Fig. 1 Methodology for predicting crack propagation life using time-independent fracture mechanics Fig. 2 Schematic representation of mechanistic aspects of creep-fatigue. (a) Effect of cycling on cavitation damage. (b) Effect of cavitation on cyclic crack growth. Source: Ref 11...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002410
EISBN: 978-1-62708-193-1
... of these alloys. The effects of grain boundary and grain size on failure are summarized. The article also discusses the effects of microstructure and extrinsic parameters on fatigue crack propagation (FCP). It details the modeling of FCP rates and creep and creep-fatigue crack growth rates. References 1...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003307
EISBN: 978-1-62708-176-4
... Abstract Predicting the service life of structural components involves creep-fatigue crack growth (CFCG) testing under pure creep conditions. This article provides a discussion on the loading condition and the type of ductile and brittle material showing creep behavior. It focuses...
Series: ASM Handbook
Volume: 22A
Publisher: ASM International
Published: 01 December 2009
DOI: 10.31399/asm.hb.v22a.a0005411
EISBN: 978-1-62708-196-2
.... and Huang J.S. , Creep-Fatigue-Environment Interactions in Astroloy , Creep-Fatigue—Environment Interactions , Pelloux R.M. and Stoloff N.S. , Ed., TMS-AIME , pp. 151 – 164 , 1980 . 5. Saxena A. , Creep Crack Growth under Non Steady-State Conditions , Fracture Mechanics...
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
... fraction rule Parameter-based assessments Thermal-mechanical fatigue (TMF) Coating evaluations Hardness testing Microstructural evaluations Creep cavitation damage assessment Oxide-scale-based life prediction High-temperature crack growth methods In any component...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002405
EISBN: 978-1-62708-193-1
... the elevated-temperature properties of duplex stainless steels, such as creep-fatigue behavior and thermal cycling properties. References 1. Olsson J. and Liljas M. , Sixty Years of Duplex Stainless Applications , Paper 209, NACE 1994 2. Charles J. , Composition...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003314
EISBN: 978-1-62708-176-4
...” and “Creep Crack Growth Testing” in this Volume. Microscopic-sized fatigue cracks tend to nucleate quite early in cyclic life (in the first 1–10%) in the high-strain, plasticity-dominated, low-cycle life regime. In this regime, cyclic plasticity is widespread throughout the specimen test section...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002349
EISBN: 978-1-62708-193-1
... Abstract The cracking process occurs slowly over the service life from various crack growth mechanisms such as fatigue, stress-corrosion cracking, creep, and hydrogen-induced cracking. Each of these mechanisms has certain characteristic features that are used in failure analysis to determine...
Book Chapter

Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006790
EISBN: 978-1-62708-295-2
... rapid crack growth by ductile or brittle cracking; more progressive (subcritical) forms involve crack growth by fatigue, creep, or environmentally-assisted cracking. Corrosion and wear are another form of progressive material alteration or removal that can lead to failure or obsolescence...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003241
EISBN: 978-1-62708-199-3
... Abstract This article reviews the various types of mechanical testing methods, including hardness testing; tension testing; compression testing; dynamic fracture testing; fracture toughness testing; fatigue life testing; fatigue crack growth testing; and creep, stress-rupture, and stress...
Book Chapter

Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003241
EISBN: 978-1-62708-199-3
...Abstract Abstract This article reviews the various types of mechanical testing methods, including hardness testing; tension testing; compression testing; dynamic fracture testing; fracture toughness testing; fatigue life testing; fatigue crack growth testing; and creep, stress-rupture...
Series: ASM Handbook
Volume: 6
Publisher: ASM International
Published: 01 January 1993
DOI: 10.31399/asm.hb.v06.a0001477
EISBN: 978-1-62708-173-3
.... Fatigue crack-growth analysis procedures are well established. However, for creep crack growth and creep-fatigue crack growth, the methodologies and data needed for analysis have emerged over the last few years. In terms of creep crack-growth characterization, one of the most widely used parameters...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003225
EISBN: 978-1-62708-199-3
... is provided in Table 1 . Fracture mode identification chart Table 1 Fracture mode identification chart Method Instantaneous failure mode (a) Progressive failure mode (b) Ductile overload Brittle overload Fatigue Corrosion Wear Creep Visual, 1 to 50× (fracture surface) Necking...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003225
EISBN: 978-1-62708-199-3
... overload Fatigue Corrosion Wear Creep Visual, 1 to 50× (fracture surface) Necking or distortion in direction consistent with applied loads Dull, fibrous fracture Shear lips Little or no distortion Flat fracture Bright or coarse texture, crystalline, grainy Rays...
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
... concentration or at preexisting defects in the component. In these cases, most of the life of the component is spent in crack growth. This involves assessment of fracture resistance rather than a strength assessment based on bulk creep rates and time to stress rupture. Therefore, creep life assessment may...
Series: ASM Handbook
Volume: 7
Publisher: ASM International
Published: 30 September 2015
DOI: 10.31399/asm.hb.v07.a0006094
EISBN: 978-1-62708-175-7
... and fall. By comparison, auxiliary power units run more like diesel engines, rising to full load after start up, and running steadily in this range for nearly entire flights. Although these components are subjected to a similar combination of creep, high-temperature stresses, and low cycle fatigue...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002390
EISBN: 978-1-62708-193-1
...  Ferrite chemistry analysis  Hardness monitoring Quantitative relationships with remaining life are lacking Issues:Uncertainties in interpretation of NDE results Lack of adequate crack growth data in creep and creep-fatigue Lack of methods for characterizing crack growth rates specific to the degraded...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006780
EISBN: 978-1-62708-295-2
... are also discussed. The article describes the fracture characteristics of stress rupture. Information on various metallurgical instabilities is also provided. The article presents a description of thermal-fatigue cracks, as distinguished from creep-rupture cracks. creep-rupture cracks creep...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002391
EISBN: 978-1-62708-193-1
... (Summation of crack growth from fatigue, creep, and oxidation contributions) Table 4 Summary of oxide failure mechanisms and models Ref Mechanisms of failure Equation 197 Separation of an oxide film at a slip step σ f E ox = [ ε f / 0.38 ( 1...
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
... is in the creep regime; therefore, creep-fatigue crack initiation and crack growth are the dominant damage mechanisms. Cracks have been found to occur in casings that have been removed from service after being in operation for 25 years or longer ( Ref 27 ). Thus, to ensure the integrity of the casings...