Fig. 2 Shear fracture of a commercially pure titanium screw. (a) SEM fractograph showing spiral textured fracture surface of sheared-off screw. Typical deformation lines are fanning out on the thread. (b) Uniformly distributed shearing tongues and dimples More

Fig. 3 SEM fractograph of the failed Inconel 600 bellows. More

Fig. 2 SEM fractograph of a typical fracture surface on a wire showing fracture origin from a pocket of nonmetallic inclusions. Characteristic beach marks are seen originating and propagating away from the fracture origin. More

Fig. 3 SEM fractograph of the fracture surface as in Fig. 2 , showing fatigue striations More

Fig. 4 SEM fractograph of the fracture surface on a wire sample showing cup part of a typical cup and cone fracture More

Fig. 5 SEM fractograph of the fracture surface as in Fig. 4 , showing equiaxed dimpled rupture More

Fig. 6 Electron fractograph of fracture characteristics in area of crack nucleus (1000 ×). More

Fig. 5 SEM fractograph of weld centerline crack More

Fig. 6 SEM fractograph of weld centerline crack More

Fig. 1 Fractograph of tubing with a brittle zone near the OD indicative of sulfide SCC More

Fig. 5 SEM fractograph of the brittle fractured surface. Cleavage facets are visible at B in Fig. 4 . More

Fig. 6 SEM fractograph of the fractured surface near the bottom of the deep drawing flaw.A : deep drawing flaw.B : dimples.C : cleavage facets. More

Fig. 6 Fractograph showing (a) secondary cracking on the pipe surface near the fracture origin location (upper left and left-center at 225× and 60×); (b) a secondary crack after opening it with higher magnification of crack extension region (upper, center-right and right at 60× and 2000 More

Fig. 1 Failed cast iron deburring drum. (a) Light fractograph showing the probable fracture origin at a sharp corner of a bolt hole. 0.25x. (b) SEM fractograph showing fatigue striations at the area of suspected fracture origin. 1000x More

Fig. 7 Fractograph of impact specimen #8 (−60deg. F; 50% cleavage, 50% ductile). More

Fig. 6 SEM fractograph showing typical fatigue features through the weld metal More

Fig. 9 SEM fractograph of typical fatigue fracture that propagated through the pipe wall. Notice distinct fine-scale fatigue striations. More

Fig. 4 SEM fractograph showing the intergranular fracture mode of the tubes. More

Fig. 6 Fractograph of detrimentally over-torqued bolt. More

Fig. 3 SEM fractograph of spalled surface showing brittle intergranular cracking. 1000× More