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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Design for Mechanical Behavior of Architectured Materials via Topology Optimization
Presentation Title Mechanical Properties of Work Hardened Steel Multilayers with Bimodal Grain Size
Author(s) Marcin Kwiecień, Janusz Majta
On-Site Speaker (Planned) Marcin Kwiecień
Abstract Scope The present study investigates the mechanical properties of work hardened microalloyed steels with a bimodal grain size distribution. Mechanical properties are characterized via hardness measurements combined with microstructure analysis. The microstructures of the investigated materials were shown to vary with work hardened layers thicknesses. We utilize Surface Mechanical Attrition Treatment (SMAT) to process bulk multilayered materials with bimodal grain size. This processing technique has the advantage of producing bulk quantities of structurally inhomogeneous materials. The strengthening mechanisms i.e. precipitation, solid solution and work hardening are analyzed for different structures: ultrafine-grained, produced by SMAT process structures with a layer thickness in the range of 0.01 - 0.05 mm and coarse grain structures with a layer thickness in the range of 1 – 3 mm. Mechanical properties and mechanical response were discussed in terms of the effects of chemical composition, morphology of the microstructure components and accumulated energy of the plastic deformation
Proceedings Inclusion? Planned: Supplemental Proceedings volume

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

A Level Set Based Topology Optimization Framework to Design Extreme Thermos-elastic Microstructure: Influence of Graded Interfaces and Multi-materials
A Panel Discussion for the Design of Materials via Topology Optimization
Deformation and Failure of Bioinspired Segmented Architectured Beams and Plates
Dense Architectured Materials in Engineering and in Nature
Design for Discovery: Integrated Computational Design & Additive Manufacturing of Mechanical Metastructures with a Parametric Level-set Based Approach
Design of Functionally Graded Microstructures with Manufacturability
Design of Honeycomb TWIP Steels for Maximum Energy Absorption
Designing Metamaterials for Enhanced Noise and Vibration Properties
Discrete-element Modeling of Nacre-like Materials: Random Microstructures, Nonlinear Deformations and Fracture
Efficient Microstructural Design: A Topological Sensitivity Approach
Extreme Design: An Adrenalin Rush with Topology Optimization, Metamaterials and Additive Manufacturing
Incorporating Material Heterogeneity in Automated Design Tools
Inverse Homogenization Design of Micro-truss Architected Materials Using Geometric Primitives
Mechanical Properties of Work Hardened Steel Multilayers with Bimodal Grain Size
Multiscale Design with Architected Material Connectivity for Multiphysics Problems
Optimal Design of Architected Materials with Extreme Energy Dissipation
Optimized Microlattices for High Strength and Impact Attenuation
Realizing Optimized Mesoscale 3D Architected Material Designs via Nanoparticle Assembly by Pointwise Spatial Printing
Tailoring the Dynamic Properties of 3D Woven Metallic Lattices through Topology Optimization
Topology Optimization for Sliding Abrasive Wear of Bi-material Composites
Topology Optimization of Architected Materials with Application-specific Tailored Properties
Topology Optimization of Cellular Materials with Tailored Band Gaps
Topology Optimization of Multi-material Truss Lattice Structures via Geometry Projection
Topology Optimization with RVE Lattice Structures Subject to Additive Manufacturing and Stress Design Constraints

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