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Meeting Materials Science & Technology 2016
Symposium Additive Manufacturing of Composites and Complex Materials
Presentation Title Additive Manufacturing of Composites with Anisotropic Heterogeneities
Author(s) Neal R Brodnik, Katherine T Faber
On-Site Speaker (Planned) Neal R Brodnik
Abstract Scope We report the fabrication of composite systems with anisotropic heterogeneities designed to directionally alter fracture toughness. Brittle polymer composites are fabricated using ultraviolet stereolithography, which allows for the precise positioning of directionally textured, uniformly spaced inclusions with cross-sectional areas that are asymmetrical along the direction of crack propagation. The heterogeneities investigated, which are either voids or polymer of differing effective modulus, are arranged as parallel channels so that crack propagation can be studied in a two-dimensional stress state. The directional alignment of these heterogeneities results in fracture toughness that varies based on how their asymmetrical cross-section is oriented with respect to the direction of crack propagation. Demonstration of analogous behavior in ceramic systems is also possible through the use of gelcasting and stereolithography of preceramic photopolymers.
Proceedings Inclusion? Planned: Other (journal publication, etc.; describe below)

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

3D Printing of Hierarchical Ceramics
Additive Manufacturing of Composites with Anisotropic Heterogeneities
Additive Manufacturing of High-entropy Alloy Reinforced Aluminum Matrix Composites
Additive Manufacturing of Polymer Composites for Multifunctional Applications
Additive Manufacturing of SiCN Ceramic Matrix for SiC Fiber Composites by Flash Pyrolysis of Nanoscale Polymer Films
Alloy Design Multicomponent Hardmetal Alloy for Additive Manufacturing
Binder Jetting of Si3N4-based Composite Ceramics with Different Porosity
Enabling Additive Manufacturing Qualification
Engineered and Low Cost Filler Based Lightweight Composites
Establishment, Vision, and Success Stories from America Makes - The National Additive Manufacturing Innovation Institute
Functionally Graded Material from Ti-6Al-4V to Invar: Experimental Characterization and CALPHAD Modeling
Hierarchically Reinforced Epoxy Based Functional Nanocomposites
Inkjet Printing of Three Dimensional Structures Using Metal Nanoparticles
Interlaminar Strengthening of Multidirectional Laminates Using Additive Manufacturing
Investigation of Interfacial Bonding Strength and Fracture Behavior of Laser Deposited FV520B Steel
Knowns and Unknowns of the Current State, Future Trends, and Associated Implications of Additive Manufacturing
Laser Deposited In Situ TiC Reinforced Nickel Matrix Composites: 3D Microstructure and Tribological Properties
Laser Deposition of Zr/Alumina Composites and Functionally Graded Zr/Stainless Materials by Powder Injected Melting
Metal Powders and Powder Mixtures for Additive Manufacturing: Assessing their Processing Characteristics
Metallic Additive Manufacturing at the Army Research Laboratory
Microstructural and Mechanical Investigations on Duplex Stainless Steel Fabricated by Laser Beam Melting
Microstructure and Mechanical Properties of Stainless Steel Specimen Manufactured by Selectively Laser Sintering
Hide details for [<a href="/PM/PM.nsf/ApprovedAbstracts/3653F6267835E77A85257F72004280AE?OpenDocument">Microstructure and ResidMicrostructure and Residual Stress of a Selective Laser Melting Produced Al-50Si Alloy: Effect of Heat Treatments
[Replication or Save Conflict]
Microstructure Design of Novel Composite Lanthanum Zirconate-yttria Stabilized Zirconia Based Thermal Barrier Coatings
Nanocrystalline TiC/316L Stainless Steel Matrix Nanocomposites Fabricated by Selective Laser Melting: Densification, Microstructure Evolution and Mechanical Properties
On the Microstructure and Mechanical Properties of Al-Cu-Fe-Cr Quasicrystal and Al-Cu-Fe-Cr/Al Composite Materials Prepared by Selective Laser Melting
Passive Multi-feed Mixing of Complex Fluids for 3-D Direct Write Assembly
Potential of Geometrically Defined Internal Structuring in Multi-material Additive Manufacturing Parts
Securing the Cloud Based Additive Manufacturing Chain
Selective Electron Beam Melting as AM Method for Complex Materials
Selective Laser Melting of FeCr24Ni7Si2 Steel: Processing
Spatially Tailored Stimulus Response in Shape Memory Alloys
Thermoset Cross-linking Effects on Interlayer Bond Strength of Fused Filament Fabrication Parts

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