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Book Chapter

Series: ASM Handbook
Volume: 8
Publisher: ASM International
Published: 01 January 2000
DOI: 10.31399/asm.hb.v08.a0003305
EISBN: 978-1-62708-176-4
... Abstract The fracture-mechanics technology has significantly improved the ability to design safe and reliable structures and identify and quantify the primary parameters that affect structural integrity of materials. This article provides a discussion on fracture toughness of notched materials...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002378
EISBN: 978-1-62708-193-1
... Abstract The concepts of fracture mechanics are basic ideas for developing the methods of predicting the load-carrying capabilities of structures and components containing cracks. This article provides an introduction to the methodology for computing the onset of fracture and describes plane...
Book Chapter

By Alan R. Rosenfield
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002385
EISBN: 978-1-62708-193-1
... Abstract This article illustrates the role that fracture mechanics can play in failure analysis. It describes the important failure criteria as relations between design and materials factors, which are used to correlate fracture mechanics analysis to the observations of a failure analysis...
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 Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003530
EISBN: 978-1-62708-180-1
... of fracture mechanics. The fracture mechanics approach is an important part of stress analysis at the tips of sharp cracks or discontinuities. The article reviews fracture mechanics concepts, including linear elastic fracture mechanics, elastic-plastic fracture mechanics, and subcritical fracture mechanics...
Book Chapter

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
... Abstract The separation of the fatigue process into crack initiation and propagation phases has been an important and useful advance in engineering. The combined approach of strain-control testing and the development fracture mechanics of fatigue crack growth rates is a key advance that allows...
Book Chapter

By T. Kevin O'Brien
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
... shearing mode flexbeam fatigue life pull-off strength fracture mechanics DELAMINATION, a separation of the fiber- reinforced layers that are stacked together to form laminates, is one of the most commonly observed failure modes in composite materials. The most common sources of delamination...
Series: ASM Handbook
Volume: 11B
Publisher: ASM International
Published: 15 May 2022
DOI: 10.31399/asm.hb.v11B.a0006910
EISBN: 978-1-62708-395-9
... Abstract There are many different types of polymeric materials, ranging from glassy to semicrystalline polymers and even blends. Their mechanical properties range from pure elastic with very high strains to fracture (elastomers) to almost pure linear elastic (Hookian behavior) with low strains...
Series: ASM Handbook
Volume: 11
Publisher: ASM International
Published: 15 January 2021
DOI: 10.31399/asm.hb.v11.a0006767
EISBN: 978-1-62708-295-2
... elastic fracture mechanics analysis, with some mention of elastic-plastic fracture mechanics analysis. The article describes the probabilistic aspects of fatigue and fracture. Information on crack-growth simulation of the material is also provided. crack-growth simulation elastic-plastic fracture...
Image
Published: 01 January 2006
Fig. 10 Data for fracture mechanics specimens of type 304 stainless steel exposed in the high flux region of the core and in the recirculation line of Nine Mile Point Unit 1 Boiling Water Reactor (BWR). All specimens were precracked and wedge loaded to an initial stress-intensity factor More
Image
Published: 01 December 2004
Fig. 20 Aluminum alloy fracture mechanics test specimen, 6.3 mm (0.25 in.) thick. Fatigue crack at left of arrows is flat and perpendicular to side surfaces (note absence of beach marks in this laboratory fatigue fracture). Overload fracture to right of arrows has 45° shear lips extending More
Image
Published: 01 January 1996
Fig. 6 Failure analysis diagram. (a) Regimes of fracture mechanics. (b) Elastic-plastic region. (c) Normalized diagram More
Image
Published: 01 January 1996
Fig. 28 Example of a “tolerable” flaw size plot derived using fracture mechanics principles More
Image
Published: 01 January 1996
Fig. 10 Schematic of chevron notches in fracture mechanics specimens. The shaded area (b) is the crack area. More
Image
Published: 01 January 2002
Fig. 2 Fracture mechanics concepts governing the prediction of failure under conditions of cyclic fatigue More
Image
Published: 01 January 2002
Fig. 13 Aluminum alloy fracture mechanics test specimen, 6.3 mm (0.25 in.) thick. Fatigue crack at left of arrows is flat and perpendicular to side surfaces (note absence of beach marks in this laboratory fatigue fracture). Overload fracture to right of arrows has 45° shear lips extending More
Image
Published: 01 January 2002
Fig. 39 Crystallographic fatigue in fracture mechanics specimen of cast Co-Cr-Mo-C medical implant alloy. SEM views located (a) 0.025 mm (0.001 in.) from machined notch tip, and (b) 7.6 mm (0.3 in.) from notch tip. Fatigue striations were not resolvable at any location, and the entire fatigue More
Image
Published: 01 January 2002
Fig. 10 Crack configurations considered in the fracture mechanics analysis of the turbine casing. Source: Ref 13 More
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Published: 01 January 2000
Fig. 10 Schematic of chevron notches in fracture mechanics specimens. Area b is the crack area. More
Image
Published: 01 January 2003
Fig. 3 A two-dimensional fracture mechanics representation of corroded surface topography effects on crack stress intensities. Holistic analyses model the topography correction factor (TCF) curve changes in calendar time. IDS, initial discontinuity state More