|About this Abstract
||2018 TMS Annual Meeting & Exhibition
||Computational Design and Simulation of Materials (CDSM 2018): Meso/Macroscale Simulations
||Ductile Fracture of Multiphase Steel Sheets under Bending
||Yu Liu, Alan Needleman, Ankit Srivastava
|On-Site Speaker (Planned)
The fracture characteristics of multiphase steel sheets under bending are governed, at least in part, by the microstructural features such as the size, shape, distribution and properties of second phase precipitates and inclusions. In particular, the experimental observations suggest that the size and location of large inclusions or stringer of small inclusions greatly affect the bendability of these steel sheets. Hence our aim is to analyze the collaborative effects of microstructural features on ductile fracture of steel sheets under bending. Here, finite element, finite deformation calculations are carried out using a constitutive framework for progressively cavitating ductile solids. In the calculations, the individual phases of the multiphase steel together with the inclusions are discretely modeled. The extent to which the microstructural length scale originating from the multiphase microstructure and the length scale originating from the distribution of inclusions affect the ductile fracture of sheets under bending will be discussed.
||Planned: Supplemental Proceedings volume