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Meeting MS&T22: Materials Science & Technology
Symposium Additive Manufacturing and Cellular/Lattice Structures: Designs, Realization and Applications
Presentation Title Enabling Novel Porous Noise Absorbers via Additive Manufacturing
Author(s) Bhisham Sharma
On-Site Speaker (Planned) Bhisham Sharma
Abstract Scope Porous materials are frequently used for acoustic insulation applications. The open cellular architecture dissipates incident acoustic energy via frequency-dependent visco-inertial and thermal loss mechanisms. While currently used noise reduction materials—such as cellular foams and glass-fibers—provide good sound absorption properties at affordable costs, their fabrication process results in batch-to-batch property variations. Further, their low mechanical stiffness and inability to sustain high-pressure, high-temperature environments limits their use for advanced engineering applications. In this presentation, I discuss our recent work on using low-cost additive manufacturing methods to design multifunctional noise absorbers. Our work shows that additive manufacturing can enable the fabrication of novel porous architectures that overcome the limitations of traditional materials while providing comparable acoustic performance. I will discuss the state-of-art and current fabrication challenges.

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

3D Printed Fibrous Cellular Multifunctional Structures
A-1: Cytotoxicity of Strontium Calcium Polyphosphate on MC3T3-E1 Cells in 3D Printed Alginate/Collagen Scaffolds
AM-Fabricated Plate Lattice Structures for Impact Applications
Design, Manufacture, Modelling and Testing of Honeycombs with Aperiodic Order
Effect of Geometrical Characteristics on the Mechanical Properties of Co-Cr-Mo Triply Periodic Minimal Surface Lattices Fabricated by Laser-Powder Bed Fusion
Effects of TiB2 in an Al-Cu-Sc Alloy in the Hybrid Investment Casting Process
Enabling Novel Porous Noise Absorbers via Additive Manufacturing
Evaluation of Structural Robustness in Additively Manufactured Lattice Structures
Fabrication, Microstructure and High Temperature Mechanical Properties of Inconel 718 Lattice Structures Manufactured by Laser Powder Bed Fusion
Interlocking Metasurfaces: A Joining Technology for Additive
Laser-based 4D Printing of Ni-Mn-Ga Magnetic Shape Memory Alloys Lattice Structures
Localized Strain, Microstructure, and Property Control of Ti-5553 Lattice Materials
Multi-scale Simulations for Improving the Design of Additive Manufactured Shock Absorbers
Optimized Dissolvable Support Design for 316L Stainless Steel Produced by Laser Powder Bed Fusion
Performance of Titanium Alloy Lattice Structures in Quasi-static and High Strain Rate Environments
Permeable Additive Manufacturing (PermiAM) for Rocketry
Prediction of Mechanical Properties of Ceramic Honeycombs by Polarimetry Measurements of Epoxy Resin Prototypes.
Progressive Nature of Failure of 3D Lattices under Compressive, Shear and Hydrostatic Loads
Specific Energy Absorption of 3D Printed Octet-Truss Lattice Structures with Hollow Struts
Synchronous Involvement of Topology and Microstructure to Design Additively Manufactured Lattice Structure
The Effects of Powder Feedstock and Process Parameter on the Material Characteristics of Ti6Al4V Thin Wall Features Fabricated by Laser Powder Bed Fusion Additive Manufacturing

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