in which two distinct regions between Aand B,B and C can be
distinguished,namely dislocation free zone(DFZ)and inverse pileup dislocation group(Dp),respectively.The range of Dp is much
larger than that of DFZ,and the dislocation density in Dp decreases
with the distance to crack tip.Furthermore,strong interactions can
also be observed bet ween emitted dislocation sandTdispersoids
(siteD)as well as the intrinsic dislocations(such as helical disloc at ionatsiteE),which play important roles in hindering the emission and migration of dislocations from the crack tip
in which two distinct regions between Aand B,B and C can bedistinguished,namely dislocation free zone(DFZ)and inverse pileup dislocation group(Dp),respectively.The range of Dp is muchlarger than that of DFZ,and the dislocation density in Dp decreaseswith the distance to crack tip.Furthermore,strong interactions canalso be observed bet ween emitted dislocation sandTdispersoids(siteD)as well as the intrinsic dislocations(such as helical disloc at ionatsiteE),which play important roles in hindering the emission and migration of dislocations from the crack tip
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