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Meeting Materials Science & Technology 2020
Symposium Processing and Performance of Materials Using Microwaves, Electric and Magnetic Fields, Ultrasound, Lasers, and Mechanical Work – Rustum Roy Symposium
Presentation Title The Effect of Microwave Sintering on Additively Manufactured Ceramics
Author(s) Maxwell Telmer, Tania Slawecki, Edgar Mendoza, Dinesh Agrawal, B. Reeja Jayan
On-Site Speaker (Planned) Maxwell Telmer
Abstract Scope This work studies the effect of combining the techniques of Additive Manufacturing (AM) and Microwave (MW) sintering has on the final density and microstructure of Al2O3 and SiO2 parts. AM of ceramics is tricky due to the high thermal stability of ceramic particles, which tends to eliminate most conventional AM processes used on polymers (e.g., extrusion) and metals (e.g., selective laser sintering). Because of this limitation, we are interested in other AM processes that are capable of generating ceramic parts, namely binder-jetting and stereolithography. Further processing is required to improve the density and structural stability of these parts. MW sintering was explored here as a method to heat treat the AM parts because previous work from Dr. Agrawal shows that MW sintering leads to higher densities than conventional sintering. It is also a densification method that does not require applied pressure (e.g., in hot isostatic pressing), allowing for complex geometries.
Proceedings Inclusion? Undecided

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Deforming Polycrystalline Ceramics by Dislocation Based Plastic Deformation
Engineering Far-from-Equilibrium Materials Using Electromagnetic Fields
Ionic and Mixed Ionic Electronic Conductor Oxides for Microwave Active Catalysis
Laser Ablation & Passivation of Aluminum Alloys
Laser Processing Cokes and Chars
Microwave-assisted Hydrothermal Carbonization of Switchgrass and Low Rank Coals for Solid Fuel Production
Recent Developments In Microwave-metal Discharge Based Machining Process and Associated Challenges
Study of Mechanical Properties of Microwave Processed Biodegradable Metal Composites
The Effect of Microwave Sintering on Additively Manufactured Ceramics
The Use of Alternate Electromagnetic Fields to Control Biofilm

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