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fatigue crack propagation

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Published: 01 January 2003
Fig. 10 Crack tip stress-intensity control of fatigue crack propagation in 7075-T6 aluminum alloy sheet—long-transverse loading. Remote and wedge force methods of loading specimens in aqueous 3.5% sodium chloride environment and benign dry air environment. Source: Ref 46 More
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Published: 01 January 1996
Fig. 24 Mechanism of fatigue crack propagation by alternate slip at the crack tip. Sketches are simplified to clarify the basic concepts. (a) Crack opening and crack-tip blunting by slip on alternate slip planes with increasing tensile stress. (b) Crack closure and crack-tip resharpening More
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Published: 15 June 2019
Fig. 39 (a) Fatigue crack propagation regimes and (b) crack growth rates of wrought aluminum alloys. L-T, longitudinal transverse; T-L, transverse longitudinal. Source: Ref 65 More
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Published: 15 May 2022
Fig. 3 Thermal fatigue failure and conventional fatigue crack-propagation fracture during reversed-load cycling of acetal. Source: Ref 36 More
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Published: 01 October 2014
Fig. 35 Fatigue crack propagation curves for through-hardened M50 and case-carburized M50NiL. Source: Ref 47 More
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Published: 30 November 2018
Fig. 44 Effect of Na + K content on fatigue crack propagation rate of 2090 and 8090 alloy sheets More
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Published: 01 December 1998
Fig. 10 Schematic representation of fatigue crack propagation behavior. In regime I, the crack-growth rate is low because the threshold for crack propagation is approached. In regime II, the Paris law is obeyed, while in regime III, the crack-growth rate increases above that predicted More
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Published: 01 December 1998
Fig. 20 Schematic plot of fatigue crack propagation rate, da / dN , versus stress-intensity range, Δ K , on a log-log scale More
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Published: 01 January 2003
Fig. 9 Corrosion-fatigue crack propagation rate ( da / dN ) as a function of the cyclic crack tip stress-intensity range (Δ K ). See the text for an explanation of the variables. Source: Ref 45 More
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Published: 01 January 2003
Fig. 15 Effect of stress ratio ( R ) on corrosion-fatigue crack propagation in ASTM A533 B and A508 carbon steels exposed to pressurized high-purity water at 288 °C (550 °F). Frequency: 0.017 Hz. Average behavior in air is represented by the dashed line labeled “Dry.” Source: Ref 59 More
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Published: 01 January 2003
Fig. 18 Corrosion-fatigue crack propagation in ASTM A 471 steel exposed to moist air and steam. Temperature: 100 °C (212 °F); frequency: 100 Hz; stress ratio: R = 0.35. Source: Ref 68 More
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Published: 01 January 2000
Fig. 22 Schematic variation of fatigue-crack propagation rate ( da / dN ) with applied stress intensity range (ΔK), for metals, intermetallics, and ceramics. Source: Ref 25 More
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Published: 01 January 2000
Fig. 7 Specimens employed in fatigue crack propagation studies. (a) Single-edge-notch specimen. (b) Compact-tension specimen More
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Published: 01 January 2000
Fig. 11 Comparison of fatigue crack propagation behavior in the Paris regime for several amorphous and semicrystalline polymers. Note enhanced fatigue resistance of the semicrystalline polymers. Source: Ref 5 More
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Published: 01 January 2000
Fig. 12 Fatigue crack propagation behavior for a rubber-toughened epoxy. The addition of rubber decreases the slope, m , at high crack growth rates due toughening mechanisms and retarded crack growth. CTBN, carboxyl-terminated polybutadiene acrylonitrile rubber; MBS, methacrylate-butadiene More
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Published: 01 January 1996
Fig. 22 Fatigue crack propagation behavior of various polymers. Source: Ref 51 More
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Published: 01 January 1996
Fig. 14 Composite plot of Waspaloy fatigue crack propagation data. GS, grain size More
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Published: 01 January 1996
Fig. 15 Fatigue crack propagation response of small γ′ materials. (a) Results plotted vs. Δ K eff , thus accounting for crack closure. (b) Material response at R = 0.8 More
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Published: 01 January 1996
Fig. 18 Vacuum and air/vacuum/air fatigue crack propagation tests. Results for alloy II-S at 427 °C and R = 0.1. Environmental and closure effects can be separated. More
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Published: 01 January 1996
Fig. 20 Fatigue crack propagation data for 7050-T7452 hand forgings. Source: Ref 55 More