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Published: 15 May 2022
Fig. 18 Crack-growth rate ( da / dN ) as a function of the energy-release rate, J I , for a single-edge notched polycarbonate specimen with 0.33 mm (0.013 in.) thickness More
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Published: 15 May 2022
Fig. 19 Crack-growth rate ( da / dN ) as a function of the energy-release rate, J I (tearing energy), for a rubber compound. J Ic , critical energy-release rate More
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Published: 01 January 1996
Fig. 12 The effect of solution flow rate on the corrosion fatigue crack growth rate of a medium-sulfur, low-alloy steel tested in deaerated 288 °C (550 °F) water. Tests at high flow rate on the 3-side-open compact-type specimens permit the aggressive crack chemistry to be flushed out, reducing More
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Published: 01 January 1996
Fig. 6 Crack growth rate and Δ K versus acoustic emission count rate for 2024-T851 aluminum alloy. Source: Ref 51 More
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Published: 01 January 2002
Fig. 11 The measured crack growth rate (crack length versus time) determined by optical measurements or fractographic evaluation used to validate life prediction estimates. In this example, for an aircraft wing, the predicted crack growth and the actual crack growth based on measured crack More
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Published: 01 December 1998
Fig. 12 Crack-growth rate curve for stress-corrosion cracking. (a) Idealized crack growth rate curve where regime I is SCC enhancement of cracking above the threshold. In regime II, mechanical enhancement has attained a maximum, and cracking is transport controlled. In regime III, the process More
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Published: 01 January 2000
Fig. 1 Fatigue crack growth rate test specimens; a , crack length, a n , notch length, B , thickness, D , diameter, W , width, W 1 , length, W 2 , notch-to-diameter width, W 3 , notch-to-outside width. (a) Compact-type specimen. (b) Center-cracked tension specimen More
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Published: 30 August 2021
Fig. 11 The measured crack growth rate (crack length versus time) is determined by optical measurements or fractographic evaluation in order to validate life-prediction estimates. In this example for an aircraft wing, the predicted crack growth and the actual crack growth (which is based More
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Published: 01 January 1996
Fig. 12 Crack growth rate curve for stress-corrosion cracking. (a) Idealized crack growth rate curve where regime I is SCC enhancement of cracking above the threshold. In regime II the mechanical enhancement has attained a maximum and cracking is transport controlled. In regime III the process More
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Published: 01 January 1996
Fig. 6 Pippan data for fatigue crack growth rate as a function of crack length and R in Armco iron. Solid lines represent the experimental findings of Pippan ( Ref 8 ). Dashed lines are predicted values (A. McEvily and Z. Yang, Met. Trans. , Vol 22A, 1991, p 1079). (a) Δ K = 16 MPa m More
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Published: 01 January 1996
Fig. 29 Crack growth rate data from the Ti-15-3 material compared with the crack growth data from the composite. The solid symbols are the composite crack growth data assuming no fiber bridging. The open symbol data are corrected for bridging, assuming the indicated shear stresses. Source More
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Published: 01 January 2002
Fig. 19 Graph showing the influence of load on the LME crack-growth rate for the experimental conditions described in text. Copper-free tensile strength at 1100 °C (2010 °F), % More
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Published: 01 January 2002
Fig. 6 Schematic illustration of variation of fatigue-crack-growth rate, da / dN , with alternating stress intensity, Δ K , in steels, showing regions of primary crack-growth mechanisms. Source: Ref 5 More
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Published: 01 January 2002
Fig. 7 Pearson plot of crack-growth rate as a function of K for short surface cracks and through-cracks. Source: Ref 6 More
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Published: 01 January 2002
Fig. 13 Effect of hold time on the fatigue crack growth rate properties of 2.25Cr-1Mo cast steel. The 2 h hold time tests were performed in steam at 538 °C (100 °F). Source: Ref 13 More
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Published: 01 January 2002
Fig. 13 Crack growth rate data for 2024-T3 aluminum at R = 0 ( example 2 ). Source: Ref 33 More
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Published: 01 January 2002
Fig. 3 Variation of the fatigue crack growth rate as a function of temperature. (a) Temperature effect on fatigue crack threshold and growth rates. (b) Variation of fatigue crack growth rates at Δ K of 30 MPa m (27 ksi in. ) More
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Published: 01 January 2003
Fig. 16 Effect of potential on the maximum crack growth rate in sensitized type 304 stainless steel in 0.01 m Na 2 SO 4 at 250 °C (480 °F). Numbers denote K I values. More
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Published: 01 January 2003
Fig. 18 Schematic of crack growth rate versus temperature for intergranular stress-corrosion cracking of type 304 stainless steel More
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Published: 01 January 2003
Fig. 35 Schematic of crack growth rate versus temperature for (a) 3% Ni steel in water ( Ref 74 ) and (b) 4340 steel in gaseous hydrogen ( Ref 75 ) More