Search Results for crack size

Fig. 12 Cyclic stress intensity (Δ K ) as a function of crack size for crack types A, B, and C More

Fig. 16 Cyclic stress intensity (Δ K ) as a function of crack size for crack types A, B, and C. Δ K thermal , cyclic stress intensity due to thermal stresses; Δ K p , cyclic stress intensity due to pressure stresses More

Fig. 11 ASME requirements for: (a) Permissible crack size ( a p ) for upset condition (where K ar is arrest toughness). (b) Crack growth for upset condition. (c) Permissible crack size for emergency condition ( l = inspection interval). (d) Crack growth for emergency condition. (Note More

Fig. 8 Tradeoff between detectable crack size and safe inspection More

Fig. 50 Predicted variation of threshold stress Δσ th at R = 0 with crack size a. Based on data for 300M ultrahigh-strength steel tempered at temperatures from 100 to 650 °C (212 to 1200 °F) to produce a variety of tensile strengths. Source: Ref 57 Curve Tempering temperature More

Fig. 8 Variation of apparent fracture toughness ( K Ic ) with crack size. Source: Ref 10 More

Fig. 30 Smallest detectable crack size as a function of frequency for silicon nitride. Source: Ref 121 More

Fig. 16 Fatigue failures with different fatigue crack size/final fracture ratios. (a) High stress level, low toughness. (b) Low stress level, high toughness More

Fig. 13 Deterministic results for the time-dependent crack size from all three frameworks More

Fig. 5 Assessment procedure to determine limiting crack size More

Fig. 18 Effect of grain size on endurance limit and crack growth threshold behavior of low-carbon steel ( Ref 25 ) More

Fig. 21 Effect of grain size on fatigue crack growth of Waspaloy superalloy. Source: Ref 50 More

Fig. 14 Composite plot of Waspaloy fatigue crack propagation data. GS, grain size More

Fig. 7 Microstructure (grain size) induced crack aspect ratio variations in (a) Ti-8Al alloy and (b) stainless steel More

Fig. 8 Effect of grain size on the fatigue crack growth rates of Ti-8.6Al in vacuum and 3.5% NaCl solution. Source: Ref 9 More

Fig. 9 Effect of grain size on the fatigue crack growth rates of Al-5.7Zn-2.5Mg-1.5Cu in vacuum and 3.5% NaCl solution. Source: Ref 9 More

Fig. 37 Influence of grain size on fatigue crack growth at R = 0.07 for CP Ti with varying oxygen contents. Under these loading conditions, fatigue crack growth is lowered by coarse grains and increased oxygen content. Source: Ref 57 More

Fig. 10 Effect of grain size on the 750 °C (1382 °F) fatigue crack growth rate of extruded plus isothermally forged PM N18. Source: Ref 32 More

Fig. 8 Plot of total crack length versus grain size to show effect of microfissuring in alloy 718 when evaluating nickel-base alloy with spot varestraint test. Source: Ref 12 More

Fig. 3 Relationship among stress, flaw size, and material toughness. CTOD, crack tip opening displacement More