Fig. 16 Endurance limits as a function of prior-austenite grain size from various studies of bending fatigue of gas-carburized 4320 steels. Source: Ref 28 More

Fig. 8 Endurance limit versus hardness for steels. Source: Ref 7 More

Fig. 8.6 Effect of surface finish on endurance limit of steel. Source: Ref 8.6 More

Fig. 8.7 Reduction of endurance strength due to surface finish for steel. Source: Ref 8.6 More

Fig. 10.1 Endurance limit predictions for various steels based on calorimetric rise of temperature measurements. Data from Ref 10.5 More

Fig. 11.70 The effect of one preload and of periodic high loads on endurance of aluminum alloy parts subjected to fluctuating tension. Source: Ref 11.77 More

Fig. 11.74 Relative endurance of prenitrided and control-lot bearing inner rings. Source: Ref 11.81 More

Fig. 3.13 Removal of an “apparent endurance limit” by occasional overstraining and then testing at stresses lower than the original endurance limit. Fatigue life becomes finite below the endurance limit. Source: Ref 3.16 More

Fig. 7.29 Relative variations in the (1) fatigue endurance limit, (2) fracture toughness parameter, and (3) 0.2% yield strength as a result of cold treatment at various temperatures. The relative change is a ratio of properties after treatment and properties prior to treatment. Source: Ref 45 More

Fig. 8.35 Shot peening improves endurance limits of ground parts. Reversed bending fatigue of flat bars of 45 HRC. Source: Ref 42 More

Fig. 10.25 Effect of tensile strength and matrix structure on endurance ratio for ductile iron More

Fig. 17.6 Fatigue endurance limit vs. tensile strength for notched and unnotched cast and wrought carbon steels with various heat treatments. Data obtained in R.R. Moore rotating-beam fatigue tests with theoretical stress-concentration factor = 2.2 More

Fig. 8.25 Effect of density on the fatigue endurance limit of pressed-and-sintered Ti-6Al-4V More

Fig. 7.11 Tensile strength versus fatigue endurance limit of various powder metallurgy 400-series stainless steels. Source: Ref 33 . Reprinted with permission from SAE Paper 03M-315 ©2003 SAE International More

Fig. 14.5 Endurance limit versus hardness for steels. Source: Ref 3 More

Fig. 4.5 S - N curve showing fatigue characteristics and endurance limit of a metal displaying a fatigue limit. Source: Adapted from Ref 4.5 More

Fig. 31 Fatigue ratios (endurance limit/tensile strength) for aluminum alloys and other materials. Source: Ref 18 More

Fig. 13 Effect of surface residual stress on the endurance limit of selected steel. All samples were water quenched except as shown, and all specimen dimensions are given in inches. Source: Ref 9 , 10 More

Fig. 4.5. Influence of environment on fatigue endurance of 2¼Cr-1Mo steel in sodium, air, and helium at 865 K ( Ref 4 ). The cycle used was approximately up for 5 s, hold for 5 s, down for 5 s, hold for 5 s. More

Fig. 4.14. Effects of hold time and tensile vs compressive hold on cyclic endurance life of 1Cr-Mo-V rotor steel at 565 °C (1050 °F) ( Ref 29 ). More