Search Results for S-N fatigue

Fig. 1 S-N fatigue curves for alloy 201-0.T7 at 24 °C (75 °F) and 200 °C (400 °F). Curves are from R.R. Moore smooth specimens with completely reversed bending. More

Fig. 24 S-N fatigue life curves for damage-tolerant 8090 sheet (8090-T81) and clad 2024-T3 sheet. Stress ratio ( R ), 0.1; cyclic frequency, 80 Hz. (a) Smooth specimens. Theoretical stress concentration factor ( K t ) = 1. (b) Notched specimens. K t = 2.6 More

Fig. 27 S-N fatigue data for 8090-T651 and selected 2 xxx alloys. Stress ratio ( R ), 0.1. Specimens tested in laboratory air. (a) Smooth specimens. (b) Notched specimens ( K t = 3) More

Fig. 20 S / N fatigue curves for laser-beam welds in 4 mm (0.16 in.) Ti-6Al-4V sheet produced at 2 and 4 m/min (0.6 and 1.2 ft/min). Tested in as-welded condition. Fracture initiated at weld undercut. Base metal properties are provided for comparative purposes. Source: Ref 39 More

Fig. 3 Stress-life ( S - N ) fatigue curves (open hole, K t,net = 2.3, R = 0.1) for 7085-T7452 and 7050-T7452 die forgings More

Fig. 2 T7651 S / N fatigue curve. Tested using open-hole test specimen according to ASTM E 466. Typical L-T orientation curve shown for 100-mm (4-in.) gage specimen. Source: Ref 4 More

Fig. 3 Typical maximum stress ( S ) vs. number of cycles ( N ) bending fatigue plots for 6 carburized steels. R = −1. Source: Ref 6 More

Fig. 1 Schematic S-N representation of materials having fatigue limit behavior (asymptotically leveling off) and those displaying a fatigue strength response (continuously decreasing characteristics) More

Fig. 3 S - N curve with extrapolations below the fatigue limit More

Fig. 3 Data points and computer generated S - N curves for all fatigue specimens initiated at seeded (a) A1 2 O 3 , (b) SiO 2 , and (c) 316 SS contaminants, in comparison to contaminant-free unseeded baseline. Source: Ref 4 More

Fig. 11 S - N curves for 316L stainless steel showing premature corrosion fatigue failure when immersed in Ringer's solution compared to deionized/distilled water (37 °C, or 98.6 °F) More

Fig. 17 Fatigue characteristics ( S-N curves) for cast and wrought 8600-series steels, quenched and tempered to the same hardness, both notched and unnotched. Moore rotating-beam tests; stress-concentration factor K = 2.2 More

Fig. 3 Fatigue characteristic ( S - N ) curves for cast and wrought 8600-series steels quenched and tempered to the same hardness. Notched ( K t = 2.2) and unnotched specimens tested with R.R. Moore rotating-beam tests. Source: Ref 3 More

Fig. 23 Fatigue ( S - N ) curves for ferritic, pearlitic, and higher-nodularity compacted graphite (CG) ( Table 7 ) from rotating-bending tests. Arrows indicate specimens did not fail. SG, spheroidal graphite. (a) Source: Ref 25 . (b) Source: 27 More

Fig. 10 Bending fatigue S - N curves for AISI 4140 specimens having normal and inverse hardness distributions after quenching. All specimens were tempered for 2 h at 500 °C. Source: Ref 6 More

Fig. 2 Stress-number of cycles to fatigue ( S - N ) behavior of 400 specimens of EN-24 steel tested near the fatigue limit. Source: Ref 17 More

Fig. 3 Typical plastic fatigue ( S - N ) curve More

Fig. 16 Schematic S-N representation of materials having fatigue limit behavior (asymptotically leveling off) and displaying a fatigue strength response (continuously decreasing characteristics) More

Fig. 11 Family of S - N curves showing the effect of R -ratio on fatigue life for axial loading of 2024-T3 aluminum alloy. Source: Ref 13 More

Fig. 11 S - N curves for 316L stainless steel showing premature corrosion fatigue failure when immersed in Ringer's solution compared to deionized/distilled water (37 °C, or 98.6 °F) More