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Crack initiation

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Series: ASM Technical Books
Publisher: ASM International
Published: 01 August 2005
DOI: 10.31399/asm.tb.mmfi.t69540379
EISBN: 978-1-62708-309-6
... Abstract This appendix presents an analytical model that estimates damage rates for both crack initiation and propagation mechanisms. The model provides a nonarbitrary definition of fatigue crack initiation length, which serves as an analytical link between initiation and propagation analyses...
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Published: 01 March 2006
Fig. 9.38 Relation of crack initiation to crack propagation and failure. Source: Ref 9.38 More
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Published: 01 December 2003
Fig. 12 Fatigue-crack initiation in polystyrene from a V-notch. Note crazes surrounding and preceding the crack. 37× More
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Published: 01 November 2012
Fig. 28 Development of extrusions and intrusions during fatigue crack initiation. Source: Ref 8 More
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Published: 01 October 2005
Fig. 2.20 Sketch illustrating piston head misalignment, fatigue crack initiation, and propagation. A, region of misalignment; B, sharp corner of piston ring groove; B-C, fatigue crack; and C-D, sudden overload failure More
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Published: 01 October 2005
Fig. CH17.4 SEM fractograph showing crack initiation at the outer periphery and propagation inward More
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Published: 01 December 1999
Fig. 3.17 Variation of fatigue-crack initiation lives with residual stress at the notch of tested steels. Surface carbon: 0.95 to 1.05%. Hardness 750 to 780 HV. Crack initiation, 5 μm crack at the notch. Source: Ref 25 Steel Carbides Retained austenite Vol% Diameter, μm Spacing More
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Published: 01 August 2005
Fig. A3.1 Schematic illustration of crack initiation concept More
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Published: 01 August 2005
Fig. A3.3 Superposition of crack initiation and propagation rates More
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Published: 01 August 2005
Fig. A4.3 Comparison of fatigue crack initiation test data and LOOPIN 8 prediction using the uncut spectra. Source: Ref A4.6 More
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Published: 01 August 2005
Fig. A4.4 Comparison of fatigue crack initiation test data and LOOPIN 8 prediction using the post -RACETRAK spectra (DMIN = 0.25). Source: Ref A4.6 More
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Published: 01 August 2005
Fig. A4.5 Comparison of fatigue crack initiation test data and LOOPIN 8 prediction using the post -RACETRAK spectra (DMIN = 0.50). Source: Ref A4.6 More
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Published: 01 December 1999
Fig. 4.23 Effect of increasing retained austenite on crack initiation strength. Source: Ref 35 More
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Published: 01 December 1999
Fig. 6.39 Composite shear stress range gradient. Fatigue-crack initiation in carburized and hardened gears controlled by the 45 shear stress in zones I and III and by the orthogonal shear stress in zone II. P 0 , maximum pressure at the surface; b, half the contact width. Source: Ref 53 More
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Published: 01 December 1999
Fig. 7.14 Variation of fatigue-crack initiation lives with residual stress at the notch of tested steels. Source: Ref 27 More
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Published: 01 March 2006
Fig. 5.7 Crack initiation and propagation under different fatigue loading. (a) Uniaxial. (b) Equibiaxial More
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Published: 01 March 2006
Fig. 9.25 Proposal for representing crack initiation lives. Source: Ref 9.42 . More
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Published: 01 March 2006
Fig. 9.26 Crack initiation from (a) 0.010 in. notch depth to total depth of 0.013 in. compared with (b) crack depth of 0.013 in. without notch More
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Published: 01 March 2006
Fig. 9.30 Crack initiation for notched circular specimens. (a) 7075-T6 aluminum alloy. (b) Annealed 4340 steel. Source: Ref 9.38 More
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Published: 01 March 2006
Fig. 10.28 Fatigue crack initiation at a surface inclusion in 2024-T4 aluminum after 5% of total fatigue life. Source: Ref 10.24 More