Abstract
This paper presents a study of microscale plastic deformation at the crack
tip and the effect of microstructure feature on
the local deformation of aluminum specimen during fracture
test. Three-point bending test of aluminum specimen was conducted
inside a scanning electron microscopy (SEM) imaging system.
The crack tip deformation was measured in situ utilizing SEM imaging
capabilities and the digital image correlation (DIC)
full-field deformation measurement technique. The microstructure feature
at the crack tip was examined to understand its effect on
the local deformation fields. Microscale pattern that was suitable
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