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Test data for corner cracks at holes

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in Operating Stress Maps for Failure Control > Fatigue and Fracture
Published: 01 January 1996
Fig. 16 Test data for corner cracks at holes More
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Corner cracks at an open hole under uniform tension

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in Summary of Stress-Intensity Factors > Fatigue and Fracture
Published: 01 January 1996
Fig. 23 Corner cracks at an open hole under uniform tension More
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Stress-intensity factors for a pair of corner cracks at an open hole tensio...

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in Summary of Stress-Intensity Factors > Fatigue and Fracture
Published: 01 January 1996
Fig. 25 Stress-intensity factors for a pair of corner cracks at an open hole tension, r = 3.175 mm (0.125 in.). (a) a / c ≤ 1, A-tip surface crack. (b) a / c ≥ 1, A-tip surface crack. (c) a / c ≤ 1, C-tip surface crack. (d) a / c ≥ 1, C-tip surface crack More
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Stress-intensity factors for a pair of corner cracks at an open hole under ...

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in Summary of Stress-Intensity Factors > Fatigue and Fracture
Published: 01 January 1996
Fig. 27 Stress-intensity factors for a pair of corner cracks at an open hole under uniform tension, r = 6.35 mm (0.25 in.). (a) a / c ≤ 1, A-tip surface crack. (b) a / c ≥ 1, A-tip surface crack. (c) a / c ≤ 1, C-tip surface crack. (d) a / c ≥ 1, C-tip surface crack More
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Stress-intensity factors for a pair of corner cracks at an open hole under ...

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in Summary of Stress-Intensity Factors > Fatigue and Fracture
Published: 01 January 1996
Fig. 29 Stress-intensity factors for a pair of corner cracks at an open hole under uniform tension, r = 9.525 mm (0.375 in.). (a) a / c ≤ 1, A-tip surface crack. (b) a / c ≥ 1, A-tip surface crack. (c) a / c ≤ 1, C-tip surface crack. (d) a / c ≥ 1, C-tip surface crack More
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Stress-intensity factors for a corner crack at an open hole under uniform t...

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in Summary of Stress-Intensity Factors > Fatigue and Fracture
Published: 01 January 1996
Fig. 24 Stress-intensity factors for a corner crack at an open hole under uniform tension, r = 3.175 mm (0.125 in.). (a) a / c ≤ 1, A-tip surface crack. (b) a / c ≥ 1, A-tip surface crack. (c) a / c ≤ 1, C-tip surface crack. (d) a / c ≥ 1, C-tip surface crack More
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Stress-intensity factors for a corner crack at an open hole under uniform t...

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in Summary of Stress-Intensity Factors > Fatigue and Fracture
Published: 01 January 1996
Fig. 26 Stress-intensity factors for a corner crack at an open hole under uniform tension, r = 6.35 mm (0.25 in.). (a) a / c ≤ 1, A-tip surface crack. (b) a / c ≥ 1, A-tip surface crack. (c) a / c ≤ 1, C-tip surface crack. (d) a / c ≥ 1, C-tip surface crack More
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Stress-intensity factors for a corner crack at an open hole under uniform t...

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in Summary of Stress-Intensity Factors > Fatigue and Fracture
Published: 01 January 1996
Fig. 28 Stress-intensity factors for a corner crack at an open hole under uniform tension, r = 9.525 mm (0.375 in.). (a) a / c ≤ 1, A-tip surface crack. (b) a / c ≥ 1, A-tip surface crack. (c) a / c ≤ 1, C-tip surface crack. (d) a / c ≥ 1, C-tip surface crack More
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Elliptical and circular cracks. (a) Tensile loading and crack plane. (b) Em...

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in Operating Stress Maps for Failure Control > Fatigue and Fracture
Published: 01 January 1996
Fig. 15 Elliptical and circular cracks. (a) Tensile loading and crack plane. (b) Embedded circular crack. (c) Embedded elliptical crack. (d) Surface half-elliptical crack. (e) Quarter-elliptical corner crack. (f) Quarter-elliptical corner crack emanating from a hole. (g) Elliptical crack More
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Configuration of a semi-elliptical surface crack. This figure shows the C-t...

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in Summary of Stress-Intensity Factors > Fatigue and Fracture
Published: 01 January 1996
is greater than a, or vice versa. This definition also is applicable to the corner crack(s) at a circular hole configuration. More
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Screen display using the trigger pulse mode to determine the position of a ...

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in Eddy-Current Inspection[1] > Nondestructive Evaluation of Materials
Published: 01 August 2018
Fig. 50 Screen display using the trigger pulse mode to determine the position of a 1 mm (0.040 in.) long corner crack. The scanner probe indicates that it is located at the 180° position. More
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Effect of density distribution after die compaction on sintering and the fo...

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in Modeling and Simulation of Press and Sinter Powder Metallurgy[1] > Powder Metallurgy
Published: 30 September 2015
Fig. 15 Effect of density distribution after die compaction on sintering and the formation of corner cracks. (a) Simulation result of green density gradients. (b) Experimental result of green compact. (c) Experimental result of sintered compact. More
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Effect of density distribution after die compaction on sintering and the fo...

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in Modeling and Simulation of Press and Sinter Powder Metallurgy > Metals Process Simulation
Published: 01 November 2010
Fig. 15 Effect of density distribution after die compaction on sintering and the formation of corner cracks. (a) Simulation result of green density gradients. (b) Experimental result of green compact. (c) Experimental result of sintered compact. More
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Off-corner internal crack in breakout shell from a 175 mm (7 in.) square bl...

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in Modeling of Stress, Distortion, and Hot Tearing > Casting
Published: 01 December 2008
Fig. 15 Off-corner internal crack in breakout shell from a 175 mm (7 in.) square bloom More
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Sharp internal corners on castings cause cracks in the casting and can also...

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in Permanent Mold Casting of Aluminum Alloys[1] > Aluminum Science and Technology
Published: 30 November 2018
Fig. 25 Sharp internal corners on castings cause cracks in the casting and can also result in premature mold failure. Source: Ref 3 . Courtesy American Foundry Society More
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Properly designed fillets at corners help prevent shrinkage cracks and tear...

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in Permanent Mold Casting of Aluminum Alloys[1] > Aluminum Science and Technology
Published: 30 November 2018
Fig. 26 Properly designed fillets at corners help prevent shrinkage cracks and tears in castings and extend mold life. Source: Ref 3 More
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The covering over of unfilled gaps such as cracks or corners with a film of...

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in Coating Failures and Defects > Protective Organic Coatings
Published: 30 September 2015
Fig. 7 The covering over of unfilled gaps such as cracks or corners with a film of coating material. This introduces a weakness in the paint film, which may crack or flake off. More
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Initiation of a crack at the die corner and its movement along the die face...

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in Design for Deformation Processing > Metalworking: Bulk Forming
Published: 01 January 2005
Fig. 9 Initiation of a crack at the die corner and its movement along the die face as the extrusion-forging deformation progresses More
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Off-corner internal hot-tear crack in break-out shell from a 175 mm square ...

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in Modeling of Hot Tearing and Other Defects in Casting Processes > Fundamentals of Modeling for Metals Processing
Published: 01 December 2009
Fig. 10 Off-corner internal hot-tear crack in break-out shell from a 175 mm square bloom More
Book Chapter

Summary of Stress-Intensity Factors

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By Alan Liu
Series: ASM Handbook
Volume: 19
Publisher: ASM International
Published: 01 January 1996
DOI: 10.31399/asm.hb.v19.a0002421
EISBN: 978-1-62708-193-1
.... Farfield tensile loading and part-through crack in a finite plate are also discussed. The article concludes with a discussion on through-the-thickness crack and part-through crack in a pressurized cylinder. center crack corner cracks crack geometry edge cracks farfield tensile loading part...
Abstract
The stress-intensity concept is based on the parameter that quantifies the stresses at a crack tip. This article summarizes some stress-intensity factors for various crack geometries commonly found in structural components. Through-the-thickness cracks may be located in the middle of a plate; at the edge of a plate; or at the edge of a hole inside a plate. The article discusses uniform farfield loading in terms of point loading of a center crack and point loading of an edge crack. It tabulates the correction factors for stress intensity at shallow surface cracks under tension. Farfield tensile loading and part-through crack in a finite plate are also discussed. The article concludes with a discussion on through-the-thickness crack and part-through crack in a pressurized cylinder.
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