|About this Abstract
||2022 TMS Annual Meeting & Exhibition
||Additive Manufacturing: Beyond the Beam III
||Additive Manufacturing Assisted by Subtractive Sintering of Powder Components
||Maricruz Carrillo, Eugene Olevsky, Geuntak Lee, Charles Maniere
|On-Site Speaker (Planned)
Powder-based 3D printing has been gaining popularity due to its ease of use and versatility. However, many powder-based methods utilize high power lasers which generate thermal shock conditions in metals and are not ideal for ceramics due to their high melting temperature. In this work, a novel approach of producing high density net-shaped prototypes using Subtractive Sintering (SS) and Solvent Jetting (SJ) is developed. Additive Manufacturing combined with Subtractive Sintering (AM-SS) is a process that includes five simple steps and can produce reliable results. As a proof-of-concept, a zirconia dental crown with a density of 97% was fabricated. Microstructure and properties of the fabricated components are analyzed. Advantages of this method include the ability to efficiently fabricate parts using any powder including nano-sized ceramics, the utilization of conventional furnace only to consolidate, and the elimination of the difficult debinding step inherent to most 3D printing methods.
||Additive Manufacturing, Ceramics, Powder Materials