Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
1630404 | Journal of University of Science and Technology Beijing, Mineral, Metallurgy, Material | 2008 | 6 Pages |
Abstract
By careful design of rolling schedule, ultra-fine (â¼2 μm) ferrite grains in a low carbon high niobium (0.09wt%Nb) micro-alloying steel with average austenite grain sizes above 800 μm can be achieved in the simulated thin slab direct rolling process. The 5-pass deformation was divided into two stages: the refinement of austenite through complete recrystallization and the refinement of ferrite through dynamic strain-induced transformation. The effects of Nb in solution and strain-induced NbCN precipitates on the ferrite transformation were also extensively discussed.
Related Topics
Physical Sciences and Engineering
Materials Science
Metals and Alloys
Authors
Ling Zhang, Wangyue Yang, Chunxia Xue, Zuqing Sun,