Search Results for Fractographs

Figure 6-16 Shepherd fracture grain size standards and SEM fractographs (50 x) of the fractures. More

Fig. 21 Fractographs of a ductile cup-and-cone fracture surface. (a) Bottom of the cup. (b) Sidewall of the cup. SEM. 650×. Source: Ref 28 More

Fig. 5-56 Fractographs of the fracture surface of impact samples of some tempered steels. (From M. Sarikaya, A.K. Jhingan, and G. Thomas, Met Trans ., Vol 14A, p 1121 (1983), Ref 27 ) More

Fig. 5-65 Fractographs of the surface of impact samples of a HY130 steel for conditions of (a) quenched and tempered, and (b) quenched and tempered, then aged. (From same source as Fig. 5-5a ) More

Fig. 20 SEM fractographs showing (a) location of origin at the inner fillet radius and (b) quasi-cleavage evident on the fracture surface More

Fig. 5 SEM fractographs documenting typical topographic features of the strain bar primary fracture surface. (a) Overall view of strain bar origins (micron bar is 1.5 mm long). (b) Typical origins (arrows) on outside edge of strain bar fracture (micron bar is 1500 μm long). (c) Typical fatigue More

Fig. 6 SEM fractographs of the fracture surfaces of cracks 1 and 2 in the strain bar. (a) Fracture surface of crack 1, showing typical fatigue zones at arrows (750 μm). (b) Typical fatigue striations in crack 1 fatigue zones (30 μm). (c) Fracture surface at crack 2 of the strain bar, showing More

Fig. 7 SEM fractographs documenting typical topographic features of the T-head. (a) Typical portion of fracture surface, showing typical origins at arrows (500 μm). (b) Typical fatigue striations on fracture surface of T-head (1 μm) More

Fig. 19 SEM fractographs documenting the appearance of the fracture surface. (a) Origin location (670 μm). (b) View of box A showing fracture origin. (c) Location A (5 μm). (d) Location B (2 μm). (e) Location C (5 μm). (f) Location D (2 μm) More

Fig. 37 SEM fractographs showing brittle intergranular structure in discolored region of the fracture surface. (a) Intergranular fracture partially covered with scale at the area adjacent to the inner diameter surface (10 μm). (b) Fracture surface away from the inner diameter surface showing More

Fig. 38 SEM fractographs showing fatigue growth at regions close to the outer diameter surface. (a) At boundary of discolored region (5 μm). (b) Outside the boundary of the discolored region (5 μm) More

Fig. 41 SEM fractographs of opened secondary crack. (a) Origin of secondary crack (33 μm). (b) Intergranular fracture apparent (10 μm) More

Fig. 44 SEM fractographs of the service fracture. (a) Overall view. (b) Intergranular topography at origin. Original magnification: 1500×. (c) Pits on side of clevis at origin. Original magnification: 400×. (d) Pit and corrosion products at origin. Original magnification: 1000× More

Fig. 50 SEM fractographs documenting the topographic features of the failed weldment. (a) Location A showing overload features. (b) Location B showing overload features. (c) Location C showing weld defect features. Original magnification: 1200× More

Fig. 54 SEM fractographs showing the topographic features of a typical fracture origin. (a) Fracture surface. Original magnification: 20×. (b) Location A showing intergranular fracture. Original magnification: 3000× More

Fig. 59 SEM fractographs documenting the fracture features found at the origin. (a) Fatigue striations emanating from the origin (200 μm). (b) Intergranular fracture at origin (location A, 50 μm). (c) Intergranular fracture and corrosion products found at the origin (13 μm). (d) Intergranular More

Fig. 5.9 Typical SEM fractographs showing (a) crack filled with corrosion products in a carbon steel tube, 100×; (b) striations in a fatigue failure, 250×; (c) dimples in ductile failure, 500×; (d) cleavage facets in a brittle fracture, 1000×; (e) brittle fracture with an intergranular mode More

Fig. 6.149 SEM fractographs showing (a) fracture surface at OD edge with multiple ratchet marks, 35×. (b) Fatigue striations with corrosion deposits/scales, 2000× More

Fig. 5.6 Scanning electron fractographs and corresponding topographs of conjugate fracture surfaces of sensitized 304 stainless steel tested in clean water. Source: Ref 11 , 13 More

Fig. CH2.4 SEM fractographs showing (a) beach marks and (b) striations in the fatigue failed region More