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fatigue fracture modes

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Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003330
EISBN: 978-1-62708-176-4
... fracture modes, namely, crack opening mode, shearing mode, and tearing mode. It presents an overview of fatigue testing and fatigue damage mechanisms of composite materials and reviews the types of mechanical measurements that can be made during the course of testing to assess fatigue damage. The article...
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
... of the applied loading, a structure can fail by a number of different modes: brittle fracture, ductile 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...
Series: ASM Handbook
Volume: 1A
Publisher: ASM International
Published: 31 August 2017
DOI: 10.31399/asm.hb.v01a.a0006323
EISBN: 978-1-62708-179-5
... of the main fracture modes and their characteristic fractographic features. It discusses the four principal fracture modes: dimple rupture (or fracture), cleavage, fatigue, and intergranular fracture. The article provides information on special cases of environmentally assisted fracture. It concludes...
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
... and discontinuities. It describes the various factors that influence fatigue of cast steels. These factors include section 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...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0001831
EISBN: 978-1-62708-181-8
... Abstract This article begins with a discussion of the basic fracture modes, including dimple ruptures, cleavages, fatigue fractures, and decohesive ruptures, and of the important mechanisms involved in the fracture process. It then describes the principal effects of the external environment...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002366
EISBN: 978-1-62708-193-1
... on the typical experimental observations of formation and propagation of small fatigue cracks under various stress states and explores the relation to long crack fracture mixed-mode fracture mechanics. It discusses state I crystallographic and stage II normal stress-dominated growth, along with some observations...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003380
EISBN: 978-1-62708-195-5
... P. , Benzeggagh M. , and de Charentenay F.X. , “Mode I and Mode II Delamination of Thermosetting and Thermoplastic Composites,” STP 1012, Composite Materials: Fatigue and Fracture, Second Volume , ASTM , April 1989 , p 251 – 269 15. Kageyama K. , Kimpara I...
Series: ASM Handbook
Volume: 12
Publisher: ASM International
Published: 01 January 1987
DOI: 10.31399/asm.hb.v12.a0000603
EISBN: 978-1-62708-181-8
... Abstract This article is an atlas of fractographs that covers pearlitic and ferritic ductile irons. The fractographs display the following: brittle cleavage fracture; fatigue crack propagation; fatigue and monotonic fracture surfaces; fracture modes in slow monotonic loading and impact loading...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003226
EISBN: 978-1-62708-199-3
..., indicate fatigue as the mode of cracking. Stress-corrosion fractures may also show beach marks. Fig. 6 Fatigue-fracture surface of an AISI 1050 shaft (35 HRC) subjected to rotating bending. Numerous ratchet marks (small shiny areas at surface) indicate that fatigue cracks were initiated at many...
Series: ASM Desk Editions
Publisher: ASM International
Published: 01 December 1998
DOI: 10.31399/asm.hb.mhde2.a0003226
EISBN: 978-1-62708-199-3
... The term “beach mark” describes the macroscopic features present on the fracture surface as illustrated in Fig. 6 . Beach marks indicate a local region of variation in crack-growth rate. Such beach marks may, but do not always, indicate fatigue as the mode of cracking. Stress-corrosion fractures may also...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002359
EISBN: 978-1-62708-193-1
... fracture. The cracks were grown from (a) shallow and (b) deep notches Fig. 10 Comparison of the experimentally measured aspect ratios with the predicted trend during fatigue crack growth from initially shallow and deep notches Fig. 4 The trends in aspect ratios of surface cracks in 7010...
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
...: Ductile fracture from microvoid coalescence Brittle fracture from cleavage, intergranular fracture, and crazing (in the case of polymers) Fatigue Decohesive rupture These basic fracture modes are discussed in more detail in the article “Micromechanisms of Monotonic and Cyclic Crack Growth...
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
... component. As with other fracture modes, proper identification of fatigue requires understanding of the fracture behavior of the particular material subject to failure analysis. At least some knowledge of environmental and service conditions is usually necessary. Evaluation of loading conditions, often...
Series: ASM Handbook
Volume: 21
Publisher: ASM International
Published: 01 January 2001
DOI: 10.31399/asm.hb.v21.a0003466
EISBN: 978-1-62708-195-5
... Fig. 6 Schematic of mode II interlaminar shear failure Fig. 7 Fatigue striations in a carbon fiber composite. 2000× Fig. 21 Examples of translaminar tension fractures. (a) Translaminar tension fracture in a graphite/epoxy composite. Note fiber bundles and individual fiber pullout...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002397
EISBN: 978-1-62708-193-1
... Abstract This article summarizes the metallurgy of carbon and alloy steels, followed by discussions on their major mechanical properties, namely, static fracture toughness, dynamic fracture toughness, fatigue or sustained-load crack growth rates, and fatigue or sustained-load thresholds...
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
... Table 1 Fracture mode identification chart Method Instantaneous failure mode (a) Progressive failure mode Ductile overload Brittle overload Fatigue Corrosion Wear Creep Visual 1 to 50× (fracture surface) Necking or distortion in direction consistent with applied loads...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006756
EISBN: 978-1-62708-295-2
... failure mode (b) Ductile overload Brittle overload Fatigue Corrosion Wear Creep Visual (fracture surface): Mag: 1 to 50× Necking or distortion in direction consistent with applied loads Dull, fibrous fracture Shear lips Little or no distortion Flat fracture Bright...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003564
EISBN: 978-1-62708-180-1
... carbide 3.1 420 (61) 2000–2400 2–4 (1.8–3.6) Fracture Alumina 3.9 390 (57) 1800–2000 3–5 (2.7–4.6) Fracture Zirconia 5.8 210 (30) 1100–1400 8–12 (7.3–10.9) Spalling Steel 7.8 200 (29) 1000 >16 (>14.6) Spalling The spalling fatigue mode has been found in various...
Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003320
EISBN: 978-1-62708-176-4
... Mixed Mode Loading , Fatigue '90, Proc. of the 4th International Conf. on Fatigue and Fatigue Thresholds , Vol 1 , Materials and Component Engineering Publication, 1990 , p 567 – 572 12. Richard H.A. and Benitz K. , A Loading Device for the Creation of Mixed Mode in Fracture...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003521
EISBN: 978-1-62708-180-1
... are: Pearlitic and martensitic steel components that failed under fatigue seldom exhibit striations in SEM. Ratchet marks are only seen when multiple crack origins common in cyclic loading are present. Evidence of fracture mode is often obliterated by subsequent rubbing, erosion, or impact after cracking...