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Extreme austenite grain refinement due to dynamic recrystallization
Author(s) -
Kaspar Radko,
Distl Josef Siegfried,
Pawelski Oskar
Publication year - 1988
Publication title -
steel research
Language(s) - English
Resource type - Journals
eISSN - 1869-344X
pISSN - 0177-4832
DOI - 10.1002/srin.198801535
Subject(s) - dynamic recrystallization , austenite , recrystallization (geology) , metallurgy , materials science , grain size , ferrite (magnet) , hot working , composite material , microstructure , geology , paleontology
The possibility of a progressive austenite grain refinement due to dynamic recrystallization during low temperature finish rolling has been studied on a microalloyed Mn‐steel. By using hot working simulation tests the range of deformation conditions was determined in which an austenite mean grain size of 1–4 μm can be achieved. The subsequent formation of a fine ferrite structure leads to excellent mechanical properties superior to those of heavily deformed but not recrystallized austenite.