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Meeting 2018 TMS Annual Meeting & Exhibition
Symposium Design for Mechanical Behavior of Architectured Materials via Topology Optimization
Presentation Title Dense Architectured Materials in Engineering and in Nature
Author(s) Mohammad Mirkhalaf, Zhen Yin, Francois Barthelat
On-Site Speaker (Planned) Francois Barthelat
Abstract Scope Dense architectured materials are composed of building blocks of well-defined size and geometry which are quasi-rigid, but which are joined by interfaces that can sustain large deformations and channel cracks. The blocks can therefore slide, rotate, separate or interlock collectively, providing a wealth of tunable mechanisms and combinations of properties which are unattainable in monolithic materials. Interestingly, dense biological materials such as bone, teeth or mollusk shells can also be interpreted as dense architectured materials, with specific architectured and mechanisms that have been finely tuned over millions of years. We are now duplicating these structures and mechanisms from the top down, by carving weak interfaces within the bulk of hard materials such as glasses or ceramics. This architectured / bio-inspired approach leads to dense materials with unusual combinations of properties which usually conflict: High stiffness and high toughness in nacre-like glasses, hardness and flexural compliance in fish scale-inspired architectured coatings.
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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