Fig. 6 A scanning electron microscope picture of the “rock candy” fracture surface. More

Fig. 5 Scanning electron microscope photo of “etched” surface on pipe inside surface More

Fig. 6 Fracture plane in scanning electron microscope. Lower right: Ductile fracture, top: Conchoidal fracture. 2000 × More

Fig. 2 Scanning electron microscope photograph of the banded regions. Some smoothing of the asperities from continued operation is evident. In the crators the residue of partial melting can be seen. More

Fig. 2 Scanning electron microscope micrograph of typical eye fracture morphology consisting of woody, ductile features. 500× More

Fig. 7 Scanning electron microscope (SEM) images of the fracture surfaces of select cracks More

Fig. 10 Scanning electron microscope shows typical branching stress-corrosion cracking initiated from bolt thread. It is clear that the crack was propagated through 90% of the bolt cross section. Magnification: 40× More

Fig. 11 Metallographic scanning electron microscope shows typical stress-corrosion cracking initiated from the thread bottom. Localized pits and branching cracks are visible. Magnification: 120× More

Fig. 12 Metallographic scanning electron microscope shows typical branching transgranular cracks observed in examined bolts. Magnification: ( a ) 1809. ( b ) 120× More

Fig. 9 Scanning electron microscope micrographs of abraded PEI composites reinforced by various fabrics; L 12 N, SiC paper 80 grade (grit size 175 μm); distance slid 10 m (33 ft). O P , fabric parallel to the sliding plane; O N , fabric normal to the sliding plane. (a) PEI AF (O P ) showing More

Fig. 19 Scanning electron microscope micrographs of worn surfaces of PA66 unidirectional composites. (a) Carbon fiber (parallel, P) showing fiber thinning, fiber fracture, fiber pulverization (left portion) and fiber matrix debonding (middle portion). (b) Aramid fiber (AF) in the normal More

Fig. 23 Scanning electron microscope micrographs of worn surfaces of PA66 hybrid composites. (a) Hybrid (layer) composite-AF(N)/CF(P). (b) Hybrid (sandwich) composite-AF(N)/CF(P) stopping crack responsible for less wear. (c) AF(N)/CF(P) composite-accumulation of protective patch work (back More

Fig. 17 Scanning electron microscope fractograph of fracture surface of a wrought aluminum alloy. Observe that there are distinct regions generated by a ductile fracture process (regions with dimples) and intergranular fracture process (facets). More

Fig. 112 Scanning electron microscope image of surface crack indicating intergranular fracture. Original magnification: 350× More

Fig. 52 Scanning electron microscope views of the surface of the outer-ring raceway of a type 440C stainless steel radial-contact ball bearing that failed by rolling-contact fatigue and of particles found in the lubricant. (a) Lubricant-residue particles that flaked off the raceway. Original More

Fig. 14 Scanning electron microscope images of fracture origin. Location of (b) is indicated by rectangle in (a). OD, outer diameter More

Fig. 6 Scanning electron microscope images of typical wire fracture surface. The fracture surface exhibited a mottled morphology with parallel crack arrays (arrows in b). More

Fig. 11 Scanning electron microscope images of (a) typical beach marks observed radiating from mechanical damage along the surface (black arrow) and (b) parallel crack arrays (red arrows) observed along the fracture surfaces More

Fig. 12 Scanning electron microscope images of typical surface of the wires. Cracking (arrows in b) was observed near the mechanical damage. More

Fig. 16 Scanning electron microscope images of typical fracture surface near mechanical damage (arrows). Elongated ductile dimpling was observed. More