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Meeting MS&T21: Materials Science & Technology
Symposium Additive Manufacturing of Ceramic-based Materials: Process Development, Materials, Process Optimization and Applications
Presentation Title 3D Printed Ceramic Acoustic Liners for Aircraft Noise Reduction
Author(s) David Nevarez-Saenz, Ted Adler, Wei Wei, Bhisham Sharma
On-Site Speaker (Planned) David Nevarez-Saenz
Abstract Scope Aircraft noise is a significant constraint to increasing aviation capacity, efficiency, and flexibility. Current push towards the development of air taxis and supersonic aircrafts is bound to further exacerbate community noise issues. Overall aircraft noise is typically dominated by the sound emitted from turbofan engines. Traditionally, aircraft noise is reduced by a combination of passive acoustic liners installed in the engine nacelle. Recent research shows that insertion of acoustic liners directly over the engine rotors provides substantially better noise attenuation. However, current state-of-the-art liners are unable to withstand the harsh pressure and temperature environment in such locations. In this presentation, we discuss the feasibility of 3D printing ceramic liners for aircraft engine noise applications. The liners are printed using a material extrusion technique and their acoustic properties are characterized under normal incidence conditions. Our results suggest that 3D printed ceramic liners offer a feasible solution for improved aircraft noise reduction.
Proceedings Inclusion? Planned: At-meeting proceedings

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

3D Printed Ceramic Acoustic Liners for Aircraft Noise Reduction
3D Printing of Nd:YAG Laser Ceramics through Lithography-based Light Projection
A Review of Extrusion-based AM via Robocasting
Additive Manufacturing of Ceramics for Aerospace Applications
Additive Manufacturing of Yttrium-stabilized Zirconia Architectures with Stretch-dominated Mechanical Properties
Additively Manufactured Carbon/Carbon Composites via Direct Ink Writing of Phenolic Resin Precursors
Binder-free Additive Manufacturing of Ceramics Using Hydrothermal-assisted Jet Fusion
Bulk Ferroelectric Metamaterial with Giant Piezoelectric Coefficients and Biomimetic Mechanical Property from Additive Manufacturing
Characterization of Anisotropic Structure of Additive Manufactured Ceramics
Direct-Ink-Writing and Cold-Sintering of ZnO Ceramics
Direct-write 3D Printing of Electrodes for High Power Density Batteries
Direct-writing by Micro Cold Spray of Yttria (Y2O3) Films
Effect of Particle Morphology and Green Part Density on Microstructure Evolution and Mechanical Properties of Sintered Alumina Fabricated via Ceramic Fused Filament Fabrication (CF3)
Enhanced Piezocomposite Transducers with 3D Printed Piezoelectric PZT
Examining the Changes in Micro-mechanical Properties of 3D Printed Cement Paste Using Grid Nanoindentation Coupled with SEM/EDS
Highly Loaded Aqueous Silicon Carbide Suspensions for Direct Ink Writing
Improving Ceramic Additive Manufacturing via Machine Learning-enabled Closed-Loop Control
Machine-learning-based Microstructure-property Prediction Enabled by High-throughput Ceramic Sample-array Preparation Using Integrated Additive/Subtractive Manufacturing
Mechanical Properties and Ionic Conductivity of Li2O-Al2O3-TiO2-P2O5 Prepared Using Laser Powder Bed Fusion
Mesoscale Modeling of Sintering Kinetics in Direct Ink Write Additive Manufacturing
Micro-cold Spray: Influence of SiC Nanoparticle Impact Angle on Deformation Behavior
Multifunctional Artificial Artery from Direct 3D Printing with Built-in Ferroelectricity and Tissue-Matching Modulus
Now On-Demand Only - Extrusion-based Additive Manufacturing of Silicon Carbide
Now On-Demand Only - Out of the Lab: 3D Printing on Non-ideal Surfaces
Properties of LiNbO3 Films Deposited by Micro-Cold Spray at Varying Angles of Impact
Stereolithography Printing of Technical Ceramics and Its Applications
Structure and High Temperature Mechanics of Binder Jet 3D Printed Ceramic Compacts Treated with Reactive Precursors
The Influence of Print Layer Orientation on Silicon Carbide Formed via Direct Ink Writing
The Influence of Processing on the Mechanical Properties of Additively Manufactured Ceramic Matrix Composites
Towards Direct Additive Manufacturing of Ceramics by Selective Laser Flash Sintering

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