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crack tip opening displacement

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Published: 01 January 2002
Fig. 28 Correlation between crack-tip opening displacement (CTOD) and toughness. (a) Stretched-zone depth versus CTOD. (b) Stretched-zone width versus CTOD. (c) Stretched-zone width versus depth. Source: Ref 18 More
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Published: 01 January 2002
Fig. 9 Crack-tip opening displacement (CTOD) toughness, HSLA 50. δ, CTOD; δ c , CTOD fracture toughness, no significant stable crack extension, unstable fracture; δ e , elastic component of CTOD; δ m , CTOD fracture toughness, significant stable crack extension, plastic collapse; δ p , plastic More
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Published: 31 October 2011
Fig. 39 Plot of crack tip opening displacement versus peak temperature of the second thermal cycle for simulated specimens subjected to a double thermal cycle. ( T p1 = 1400 °C = 2550 °F; Δ t 8-5 = 20 s). The heat-affected zones ( Fig. 39 ) corresponding to the simulation trials are also More
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Published: 01 January 1990
Fig. 8 Correlation of (a) CVN impact energy and crack tip opening displacement and (b) crystallinity with nil-ducility transition temperature for API 2W grade 50, a TMCP steel with a thickness of 89 mm (3 1 2 in.) More
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Published: 01 January 1990
Fig. 12 Crack tip opening displacement versus the percent of grain-coarsened regions for several structural steels. Source: Ref 27 More
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Published: 01 January 1993
Fig. 30 Plot of crack tip opening displacement versus peak temperature of the second thermal cycle for simulated specimens subjected to a double thermal cycle. ( T p1 = 1400 °C = 2550 °F; Δ t 8−5 = 20 s). The HAZ zones ( Fig. 29 ) corresponding to the simulation trials are also shown More
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Published: 01 January 1993
Fig. 13 Macrograph of the fracture surface of a crack tip opening displacement test specimen removed from the 1.07 m (42 in.) X-65 steel pipe. The regions of the surface shown correspond with the notch, precrack, stable crack growth, fast fracture, and overload zones. More
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Published: 15 January 2021
Fig. 28 Correlation between crack-tip opening displacement (CTOD) and toughness. (a) Stretched-zone depth versus CTOD. (b) Stretched-zone width versus CTOD. (c) Stretched-zone width versus depth. Source: Ref 18 More
Series: ASM Handbook
Volume: 1
Publisher: ASM International
Published: 01 January 1990
DOI: 10.31399/asm.hb.v01.a0001034
EISBN: 978-1-62708-161-0
... of welds. The major tests that are discussed in this article are weld tension test, bend test, the drop-weight test, the Charpy V-notch test, the crack tip opening displacement test, and stress-corrosion cracking test. arc welding cold cracking fabrication hot cracking low-alloy steels...
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002380
EISBN: 978-1-62708-193-1
... testing, J-R curve evaluation, and crack tip opening displacement (CTOD) method. Other methods used include the combined J standard method, the common fracture toughness test, transition fracture toughness testing, and the weldment fracture testing method. crack initiation fracture toughness...
Series: ASM Handbook
Volume: 20
Publisher: ASM International
Published: 01 January 1997
DOI: 10.31399/asm.hb.v20.a0002470
EISBN: 978-1-62708-194-8
... as they relate to fracture toughness and design process. The article explores the use of plane strain fracture toughness, crack-tip opening displacement, and the J-integral as the criteria for the design and safe operation of structures and mechanical components. It discusses the variables affecting fracture...
Series: ASM Handbook Archive
Volume: 11
Publisher: ASM International
Published: 01 January 2002
DOI: 10.31399/asm.hb.v11.a0003513
EISBN: 978-1-62708-180-1
... Abstract Optimized modeling of fracture-critical structural components and connections requires the application of elastic-plastic fracture mechanics. Such applications, however, can require sophisticated analytical techniques such as crack tip opening displacement (CTOD), failure assessment...
Series: ASM Handbook
Volume: 2B
Publisher: ASM International
Published: 15 June 2019
DOI: 10.31399/asm.hb.v02b.a0006457
EISBN: 978-1-62708-210-5
...-plastic fracture, namely R-curve concept, J-integral concept, and crack tip opening displacement method. The article considers the primary measures used to assess the toughness of aluminum alloy castings and wrought alloys: notch toughness, tear resistance, and plane-strain fracture toughness...
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Published: 01 January 2000
Fig. 11 Sample specimen showing the definition of crack-mouth opening displacement (CMOD) and crack-tip opening displacement (CTOD). CTOD is the diameter of the circular arc at the blunted crack tip and should not be confused with the plastic zone. Source: Ref 10 More
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Published: 01 January 1997
Fig. 4 Schematic of a sample specimen showing the definition of crack-mouth opening displacement (CMOD) and crack-tip opening displacement (CTOD). CTOD is the diameter of the circular arc at the blunted crack tip and should not be confused with the plastic zone. Source: Ref 16 More
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Published: 01 June 2024
Fig. 23 Fracture Surface Topography Analysis (FRASTA)-generated fractured area versus conjugate surface spacing relationship, analogous to the conventional crack length versus crack face displacement curve for a J - R test; also showing how crack-tip opening displacement (CTOD) and crack More
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Published: 01 January 2002
of the ellipse; δ, crack tip opening displacement. Source: Ref 55 More
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Published: 15 January 2021
of the ellipse; δ, crack tip opening displacement. Source: Ref 33 More
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Published: 15 January 2021
Fig. 27 Measurement of the stretched zone in a fractured specimen. (a) Crack-tip blunting and the stretched zone. CTOD, crack-tip opening displacement. (b) Topography of the stretched zone. Source: Ref 17 More
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Published: 01 January 1996
Fig. 17 Model of static crack advance after Schwalbe ( Ref 29 ). The crack-tip opening displacement is equal to the dimple spacing or inclusion spacing. More