Microstructural Evolution in a 0.09% Niobium Low Carbon Steel during Controlled Hot Deformation
E. Pineda Martínez,
E. J. Palmiere
Abstract:A series of plane strain compression tests were carried out in order to simulate the thermomechanical controlled processing of a 0.09wt% Nb low carbon steel, in a scheme of multipass finish rolling at 950 °C with interpass times of 10 s. It was observed that after the first two finishing passes a remarkable grain refinement can be achieved, since the recrystallisation was fully suppressed and abundant ultrafine ferrite was transformed dynamically during the deformation. The addition of a third finishing pass h… Show more
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