About this Abstract |
Meeting |
2021 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2021)
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Symposium
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Physical Modeling
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Presentation Title |
Multiscale Modeling of Plasticity for Laser Powder Bed Fusion Stainless Steel with Tailored Crystallographic Texture |
Author(s) |
Xinyu Yang, Xianglong Wang, Mathieu Brochu, Javier Segurado, Noel Harrison, Seán Leen |
On-Site Speaker (Planned) |
Xinyu Yang |
Abstract Scope |
This paper presents multi-scale modeling of plastic deformation of stainless steel 316L (SS316L) with tailored single-crystalline-like structure fabricated by laser beam powder bed fusion (PBF-LB). A polycrystal model, based on the visco-plastic self-consistent (VPSC) formulation, implemented in the finite element (FE) software Abaqus, was adapted to provide a multi-scale elasto-visco-plastic response at each integration point with consideration of crystallographic texture effect and the resultant different deformation mechanisms. Tensile responses along the <100>, <110> and <111> crystallographic directions were studied, and the contributions of slip and twinning deformation modes were quantified to rationalize the superior strength-ductility synergy of PBF-LB SS316L comparing with samples manufactured by conventional technology. |
Proceedings Inclusion? |
Definite: Post-meeting proceedings |