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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 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 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 November 2012
Fig. 28 Development of extrusions and intrusions during fatigue crack initiation. Source: Ref 8 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 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 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 July 1997
Fig. 2 Conceptual drawing of fatigue crack initiation and growth at the toe of (left) a “Nominal” groove welded butt joint having a substantial (⋍0.1 in. depth) weld discontinuity (slag entrapment) at the root of the critical notch (weld toe) and (right) an “Ideal” weldment with good wetting More
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Published: 01 September 2005
Fig. 10 Intergranular bending fatigue crack initiation at the surface of a gas-carburized and direct-cooled SAE 8719 steel specimen. Source: Ref 20 More
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Published: 01 September 2005
Fig. 20 Bending fatigue crack initiation in gas-carburized and reheated 4320 steel. The dashed line corresponds to maximum depth of surface oxidation, and all fracture below dashed line is transgranular. Source: Ref 28 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