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cyclic fracture

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Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002352
EISBN: 978-1-62708-193-1
... Abstract This article provides a brief description of the different types of micromechanisms of monotonic and cyclic fracture. General information on the material variables that have the most beneficial effect on resistance to failure is presented. The article discusses the various stages...
Image
Published: 30 June 2023
Fig. 8 Fracture morphology of cyclically loaded type 304 stainless steel room-temperature samples with control modes of (a) R = 0 load control, (b) R = −1 load control, and (c) R = −1 displacement control. 1, top view; 2, bottom view; 3, side view. Source: Ref 49 More
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002417
EISBN: 978-1-62708-193-1
... deformation and fracture. In keeping with the well-established universal conventions, and in an attempt to avoid confusion, the term fatigue is used in this article to denote deterioration and fracture of both metals and nonmetals due only to cyclic loads. Crack Growth Behavior Brittle solids...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006776
EISBN: 978-1-62708-295-2
... Abstract Fatigue failure of engineering components and structures results from progressive fracture caused by cyclic or fluctuating loads. Fatigue is an important potential cause of mechanical failure, because most engineering components or structures are or can be subjected to cyclic loads...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003319
EISBN: 978-1-62708-176-4
... of the materials as measured with the same specimen and testing configuration. Testing can be halted after 10 7 cycles. An example of failure stress data as a function of the applied cycles is shown in Fig. 10 . Fig. 10 Example of the cycles to fracture for a ceramic material subjected to cyclic loading...
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
... on a description of the experimental method that should be followed in conducting tests of CFCG with various hold times. The article describes the testing conditions, definitions, and the necessary calculations of various crack-tip parameters considered during static and cyclic loading in time-dependent fracture...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003539
EISBN: 978-1-62708-180-1
... fatigue fatigue fracture fractography macroscopic examination microscopic examination polymers FATIGUE failure of engineering components and structures results from progressive fracture caused by cyclic or fluctuating loads. The magnitude of each individual load event is too small to cause...
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
... of Physics , 1966 , p 176 5. Andrews E.H. , in Testing of Polymers IV , Interscience, 1969 , p 237 6. Rabinowitz S. and Beardmore P. , Cyclic Deformation and Fracture of Polymers , J. Mater. Sci. , Vol 9 (No. 1 ), 1974 , p 81 – 99 10.1007/BF00554758 7...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002398
EISBN: 978-1-62708-193-1
... size, defect size, stress modes, and waveform types. The article discusses various fracture mechanics in cast steels: cyclic stress-strain behavior and low- and high-cycle fatigue life behavior; plane-stress fracture toughness; plane-strain fracture toughness; constant-amplitude fatigue crack...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002396
EISBN: 978-1-62708-193-1
... structural performance in service situations is a set of properties that characterize the cyclic deformation and fracture behavior of an alloy. These properties, which are related to alloy strength, ductility, and strain-hardening characteristics, provide a useful quantitative basis for assessing...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006918
EISBN: 978-1-62708-395-9
... sustained cyclic forces are anticipated over 10 million cycles or when peak forces are expected over long periods of time. The S - N behavior of several commodity plastics is shown in Fig. 11 . It is important to note that this plot captures the number of cycles to physical failure (fracture). Also...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003313
EISBN: 978-1-62708-176-4
... fatigue crack growth rate fracture mechanic crack growth fracture mechanics simulation strain life curve strain-control testing stress-life curve FATIGUE is the progressive, localized, and permanent structural damage that occurs when a material is subjected to cyclic or fluctuating strains...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002361
EISBN: 978-1-62708-193-1
... ), is found to be linearly proportional to the “time-at-load” or period (the inverse of cyclic-load frequency). Fractographic examination of the fracture surfaces also indicated that, at lower frequencies, where the environmental effect was significant, the fracture path in water vapor was primarily...
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
... Abstract This article describes three design-life methods or philosophies of fatigue, namely, infinite-life, finite-life, and damage tolerant. It outlines the three stages in the process of fatigue fracture: the initial fatigue damage leading to crack initiation, progressive cyclic growth...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002400
EISBN: 978-1-62708-193-1
... bending fatigue crack initiation and unstable crack propagation of direct-quenched carburized steels. alloying austenitic grain size bending fatigue carburized steel crack initiation cyclic mechanical loading direct-quenched carburized steel intergranular fracture microstructure residual...
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
... Abstract Fatigue failures may occur in components subjected to fluctuating (time-dependent) loading as a result of progressive localized permanent damage described by the stages of crack initiation, cyclic crack propagation, and subsequent final fracture after a given number of load...
Image
Published: 01 December 1998
Fig. 53 Schematic portrayal of the expansion, contraction, and distortions in shape that occur in the airfoils of turbine blades as a result of cyclic heating and cooling or of uneven heating. Cyclic thermal stresses cause failure by fracture from thermal fatigue. More
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
... with information on fractography, a useful tool in failure analysis. fatigue crack initiation fatigue crack propagation fatigue testing fractography plastics polymers failure analysis FATIGUE FRACTURE OF ENGINEERING PLASTICS due to cyclic loading conditions is of critical concern when designing...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006774
EISBN: 978-1-62708-295-2
... a broader engineering failure. Note that some non-fracture-failure scenarios may ultimately lead to fracture. Wear processes, for example, can ultimately lead to fracture by galling and/or fretting fatigue. Other examples include fatigue crack initiation at surface pits from corrosion, cyclic loading...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003537
EISBN: 978-1-62708-180-1
... crack initiation at surface pits from corrosion, cyclic loading in a corrosive environment ( stress-corrosion fatigue ) and elastic buckling. Elastic buckling may cause parts to contact, causing seizure of a rotating system, but it may also lead to plastic buckling and ultimately to fracture...