Search Results for endurance

Fig. 12 Torsion and bending endurance ratios (fatigue endurance/monotonic strength) with drilled holes and notched values compared with theory More

Fig. 9 Fatigue endurance limit versus tensile strength for notched and unnotched cast and wrought steels with various heat treatments. Data obtained in R.R. Moore rotating-beam fatigue tests; theoretical stress concentration factor = 2.2. More

Fig. 20 Effect of ductility on endurance of ferritic steels. Source: Ref 31 More

Fig. 19 Effect of surface condition on endurance limit of ductile iron. Tests made on 10.6 mm (0.417 in.) diam specimens. Fully reversed stress ( R = −1) More

Fig. 20 Effect of tensile strength and matrix structure on endurance ratio for ductile iron. Source: Ref 11 , 12 More

Fig. 17 Lubricant tester used to measure endurance (wear) life and load-carrying capacity of either dry solid-film lubricants or wet lubricants in sliding steel-on-steel applications. (a) Key components of instrument. (b) Exploded view showing arrangement of V-blocks and rotating journal More

Fig. 16 Fatigue endurance limit versus tensile strength for notched and unnotched cast and wrought steels with various heat treatments. Data obtained in R.R. Moore rotating-beam fatigue tests, theoretical stress-concentration factor = 2.2 More

Fig. 16 Effect of tensile strength and matrix structure on endurance ratio for ductile iron. Source: Ref 24 , 25 More

Fig. 17 Goodman diagrams for ductile irons. (a) Endurance limits for bending stresses. (b) Endurance limits for tension-compression stresses. Source: Ref 28 More

Fig. 9 Tensile strength versus fatigue endurance limit of various powder metallurgy 400-series stainless steels. Source: Ref 29 More

Fig. 23 Corrosion fatigue endurance data for specimens of 13% Cr steel in rotating-bending testing (mean load zero) at a frequency of 50 Hz and temperature of 23 °C (73 °F). Notched specimens K t ≈ 3. Source: ASM Handbook , Vol 13, p 296 More

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

Fig. 6 Fatigue endurance limit versus tensile strength for notched and unnotched cast and wrought steels with various heat treatments. Data obtained in R.R. Moore rotating beam fatigue tests of nine steels ( K t = 2.2). Source: Metals Handbook , Volume 1, 8th ed., 1961 More

Fig. 8 Fatigue endurance ratios of three cast steels versus section size. Bands show the range for specimens taken at different depths from 32 mm, 76 mm, and 152 mm squares. More

Fig. 9 Effect of various defects on endurance ratio (fatigue strength/monotonic strength) of quenched-and-tempered 8630 cast steel. (a) R.R. Moore rotating beam. (b) Torsion fatigue More

Fig. 10 Effect of defect size on fatigue endurance limits of cast steel. Source: Ref 5 More

Fig. 15 Effect of tensile strength and matrix structure on endurance ratio for ductile iron. Source: Metals Handbook , 9th ed., Vol 1, p 45 More

Fig. 13 Endurance limits as a function of prior-austenite grain size from various studies of bending fatigue of gas-carburized 4320 steels. Source: Ref 49 More

Fig. 32 Relation between endurance limit and tensile strength for polished and notched steel specimens. Source: F. Sisco, Alloys of Iron and Carbon , Vol II, Properties , McGraw-Hill, 1937 More

Fig. 9 Evaluation of the range of finite endurance in Fig. 8 and conjunction with the range of transition in Fig. 5(b) to the type I fatigue diagram More