Fig. 8.9 Effect of shot peening on fatigue behavior More

Fig. 53 Effect of nitriding and shot peening on fatigue behavior. Comparison between fatigue limits of crankshafts ( S - N bands) and fatigue limits of separate test bars, which are indicated by plotted points at right. Steel was 4340. Source: Ref 30 More

Fig. 5.58 Principle of shot peening More

Fig. 11.56 General form of residual stress distribution induced by shot peening or similar surface cold working treatments. Source: Ref 11.60 More

Fig. 11.59 Loss of effectiveness of shot peening at high strain levels for 6150 steel (34–38 HRC). Source. Ref 11.70 More

Fig. 11.60 Effect of shot peening on Inconel 718 as shown by fatigue curves obtained in fully reversed bending tests. Source: Ref 11.71 More

Fig. 11.64 Shot peening as a means of overcoming prior fatigue damage with SAE 4340 steel tested in rotating bending. Source: Ref 11.73 More

Fig. 8.29 Effect of shot peening and fatigue stressing on surface hardness. Source: Ref 31 More

Fig. 8.30 Effect of shot peening on residual macrostress distributions in a carburized surface (initially with tensile residual stress at the surface). Source: Ref 32 More

Fig. 8.31 Effect of shot peening on the residual stress distortion in 20KhNM steel rings (case depth, 1 mm). Source: Ref 33 More

Fig. 8.33 Influence of shot peening on (a) residual stresses within austenite and martensite of a case-hardened surface and (b) fatigue strength. Table shows influence of shot peening on impact fracture stress. Source: Ref 38 Steel Condition Surface hardness (a) , HRC Core hardness 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. 8.36 Effect of shot peening on decarburization of SAE 4340 steel (ultimate tensile strength, 280 ksi), k t = 1, R = –1, decarburization 0.003 in. to 0.03in., shot peening with 0.28 in. diam shot, 0.12A density. Source: Ref 30 More

Fig. 23 Effect of a shot peening parameter (Almen intensity as described in text) on the low-cycle fatigue of a carburized helical gear made from 4023 steel. Source: Ref 51 More

Fig. 59 Principle of shot peening More

Fig. 62 Shot peening intensity control. Source: Ref 6 More

Fig. 21.31 Residual stress profiles in shot peened carburized 4320 steel. Source: Ref 21.55 More

Fig. 5.59 Stress profile of carburized gear tooth root ground and shot peened More

Fig. 5.61 Residual compressive stress below surface for standard and shot-peened gears More

Fig. 5.62 Tooth surface finish of standard ground and shot-peened gears More