(S222)Ductile Fracture Behavior of Single Crystal Pure Iron During Tensile Test

摘要

In most metals failure, there are two fracture modes, which are ductile and brittle fracture. This depends on theproperty of material to undergo large scale yielding before the fracture. At the ductile fracture during a tensile test,voids nucleate and grow after necking. Our previous study revealed that in the case of 16% Cr ferritic steel andindustrial pure iron, voids nucleated mainly along Cr precipitates(1) and grain boundary(2), respectively. In thispresentation, electrodeposited pure iron and whisker iron were subjected to tensile tests in order to investigate thefracture mechanics.