Crack Paths 2012

Figure 2. Schemeof the experiment with cylindrical specimens loaded in a pure shear.

E X P E R I M E N TR AE SLU L T S

Three crack path regions are depicted on each part of Fig. 3 that shows fracture

morphologies of both the ferrite and austenite: a precrack emanating from the notch,

a shear crack and the final fracture (brittle or fatigue fracture in modeI).

50 m

50 m

100 m

final fracture

modeII

final fracture

precrack

modeII

precrack

a) modeII in ferrite

b) modeII in austenite

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