Process Modeling for Advanced High-strength Steels
Microstructure evolution during steel processing assumes a critical role in tailoring mechanical properties,e.g.the austenite-ferrite transformations are a key metallurgical tool to improve properties of advanced low-carbon steels.Computational materials science offers tremendous opportunities to develop next generation process models which are informed on the atomistic mechanisms of microstructure evolution thereby reducing the number of empirical parameters that are typically used in current process models.The challenges and opportunities of implementing a phase field based through process model will be analyzed for steels with complex ferrite-bainite-martensite microstructures.In particular,it is critical to accurately account for the role of important alloying elements,e.g.Mn,Mo and Nb.In detail,models will be presented for run-out table cooling and coiling in a hot mill and intercritical annealing of cold-rolled sheets on a hot dip galvanizing line.
phase transformation precipitation accelerated cooling intercritical annealing
MILITZER Matthias GARCIN Thomas MAETZ Jean-Yves PRODANOVIC Vladan
Centre for Metallurgical Process Engineering, The University of British Columbia,Vancouver, BC, Canada V6T 1Z4
国际会议
成都
英文
350-353
2016-11-16（万方平台首次上网日期，不代表论文的发表时间）