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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 January 2017
Fig. 3.6 Schematic of possible crack initiation sites. (a) and (c), Internal environments. (b) and (d), External environments. Source: Ref 3.18 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 December 2015
Fig. 17 Section showing fretting damage and fatigue crack initiation in 0.2% C steel. Courtesy of R.B. Waterhouse, University of Nottingham More
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Published: 01 September 2008
Fig. 70 Model of fatigue crack initiation due to the presence of inclusions in a nonmartensitic (decarburized) steel layer. Source: Ref 122 More
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Published: 01 September 2008
Fig. 9 Location of fatigue crack initiation on nitrided 40HM (4140)-grade steel. Original magnification: 100× More
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Published: 01 January 2015
Fig. 21.19 Fatigue crack initiation in carburized coarse-grained 8620 steel (a) quenched directly from carburizing at 927 °C (1700 °F) and (b) reheated after carburizing to 788 °C (1450 °F). Both specimens tempered at 145 °C (300 °F). Scanning electron micrographs. Source: Ref 21.31 More
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Published: 01 December 2018
Fig. 6.103 SEM macrograph at ID edge showing multiple crack initiation points (white arrows) and auxiliary cracking on crack fracture surface (black arrows). The overall fracture surface was relatively brittle and covered with corrosion products/scales, 50×. More
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Published: 01 January 2017
Fig. 10.12 Effect of potential on crack initiation stress for α/β titanium alloys in various halide solutions at 25 °C (77 °F). Source: Ref 10.27 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 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 March 2006
Fig. 12.49 Reversed bending cyclic crack initiation behavior for (a) HS-110 and (b) HS-130 hot-pressed silicon nitride at 30 Hz for various temperatures. Source: Ref 12. 16 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