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creep fatigue failure

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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
... deformation, including stress-rupture fractures. It also describes metallurgical instabilities, such as aging and carbide reactions, and evaluates the complex effects of creep-fatigue interaction. The article concludes with a discussion on thermal fatigue and creep fatigue failures. aging carbide...
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
... structural durability of machine components. Understanding the root causes of fatigue permits engineers to better guard against this insidious failure mode. Creep-fatigue interaction testing and modeling have been intense activities since the late 1950s. Interest was spawned by the introduction, and...
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
... effective tool for failure analysis and fatigue-life prediction of a gas turbine disk when subjected to creep-fatigue loading ( Ref 38 ). In addition to FEM, a new computational technique to evaluate materials behavior on an atomistic level has been developed, known as molecular dynamics (MD). The MD...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0009218
EISBN: 978-1-62708-176-4
... E. , Kennedy A.J. , Ed., Oliver and Boyd , Edinburgh , 1965 18. Kennedy A.J. , Processes of Creep and Fatigue in Metals , Oliver and Boyd , Edinburgh , 1962 19. McVetty P.G. , Factors Affecting Choice of Working Stresses for High-Temperature Service , Mech...
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
... Abstract The principal types of elevated-temperature mechanical failure are creep and stress rupture, stress relaxation, low- and high-cycle fatigue, thermal fatigue, tension overload, and combinations of these, as modified by environment. This article briefly reviews the applied aspects of...
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 on a...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003289
EISBN: 978-1-62708-176-4
... examining its fit within the scatter band for all tests. Once a minimum creep rate has been determined in a low-stress test, rupture life can be estimated without running the test to failure. Although Monkman and Grant stated that this relationship was not intended for extrapolation, it can be used for that...
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
... Abstract This article discusses fracture, fatigue, and creep of nickel-base superalloys with additional emphasis on directionally solidified and single-crystal applications. It analyzes the physical metallurgy of these alloys. The effects of grain boundary and grain size on failure are...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001837
EISBN: 978-1-62708-181-8
... 103. Nieh T.G. and Nix W.D. , A Comparison of the Dimple Spacing on Intergranular Creep Fracture Surfaces With the Slip Band Spacing for Copper , Scr. Metall. , Vol 14 , 1980 , p 365 – 368 10.1016/0036-9748(80)90360-9 104. Morris W.L. and James M.R...
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
... 21A , April 1990 , p 935 – 948 10.1007/BF02656578 88. Aghion E. and Molaba C.A. , Creep-Fatigue Failure of SAF 2205 and 316 Stainless Steels in Ar + 3% SO 2 Environment at 700 °C , J. Mater. Sci. , Vol 29 , 1994 , p 1758 – 1764...
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
... electromechanical testing equipment, continuous extensometer measurements, and a relatively low testing frequency. Further details on testing are given in the article “Fatigue, Creep Fatigue, and Thermomechanical Fatigue Life Testing” in Mechanical Testing and Evaluation , Volume 8 of the ASM Handbook , 2000...
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
... maximum stress and no load, the stress ratio R becomes 0. If the stress is cycled between two tensile stresses, the stress ratio R becomes a positive number less than 1. A stress ratio R of 1 indicates no variation in stress, making the test a sustained-load creep test rather than a fatigue test...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005657
EISBN: 978-1-62708-198-6
... ( Fig. 9 ). Intergranular overload fractures occur when low-strength grain boundaries provide a path for low-energy crack propagation. Other failure modes, such as stress-corrosion cracking (discussed subsequently) or creep, can also display intergranular fracture morphology. In overload situations...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002469
EISBN: 978-1-62708-194-8
... Igari T. , Evaluation of Inelastic Constitutive Models under Plasticity-Creep Interaction for 2 1/2 Cr 1 Mo Steel at 600 °C , Nucl. Eng. Des. , Vol 114 , p 295 – 309 10.1016/0029-5493(89)90108-8 72. Conway J.B. and Sjodahl L.H. , Analysis and Representation of Fatigue Data...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003318
EISBN: 978-1-62708-176-4
... molecular weight of the polymer increases craze strength, creep rupture strength, and endurance limit under cyclic loading conditions ( Ref 3 , 5 , 18 , and 22 ). Semicrystalline polymers provide improved fatigue resistance over glassy amorphous polymers. One explanation is that the composite, two...
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001038
EISBN: 978-1-62708-161-0
... positive number less than 1 An R stress ratio of 1 indicates no variation in stress, and the test becomes a sustained-load creep test rather than a fatigue test The results of fatigue tests are usually plotted as the maximum stress or stress amplitude versus the number of cycles, N , to fracture...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002415
EISBN: 978-1-62708-193-1
... Abstract Knowledge of fatigue behavior at the laminate level is essential for understanding the fatigue life of a laminated composite structure. This article describes fatigue failure of composite laminates in terms of layer cracking, delamination, and fiber break and interface debonding. It...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002368
EISBN: 978-1-62708-193-1
... complicated. It appears that fatigue resistance may increase with temperature. However, at long lives, creep, rather than fatigue, may be the controlling failure mode. Bolt preloading is discussed in detail in Ref 1 and 2 . The determination of the actual preload in a given bolt-nut combination is...
Series: ASM Handbook
Volume: 23
Publisher: ASM International
Published: 01 June 2012
DOI: 10.31399/asm.hb.v23.a0005654
EISBN: 978-1-62708-198-6
... Abstract This article describes some of the mechanical/ electrochemical phenomena related to the in vivo degradation of metals used for biomedical applications. It discusses the properties and failure of these materials as they relate to stress-corrosion cracking (SCC) and corrosion fatigue...
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
... fracture, plastic collapse, fatigue, creep, corrosion, and buckling. This article focuses on the broad categories of these failure modes: fracture, fatigue, environmental cracking, and high-temperature creep. It also discusses the benefits of a fitness-for-service approach. brittle fracture buckling...