13th International Conference on Fracture June 16–21, 2013, Beijing, China -7- shearing of partial dislocations. The shadow around the particle in Figure 6b is believed to be dense dislocations. For MX particles, dislocation loops can be observed around the particles (Fig 6c and d). Fig. 6 Dislocation structures, (a). Interaction between dislocations and precipitates, (b). dislocation cloud or cluster near nona Cu-rich particles and MX particles 4.2 Rupture mechanisms Figure 7 shows an investigation of the fracture modes such as transgranular or intergranular fractures and plastic deformation by creep in UNS S31035 material. A summary of the creep fracture modes are shown in Figure 8. (c) (d) (a) (b)
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