Materials Science Seminar: Binder Jet Additive Manufacturing of Structural and Functional Materials.

Join us for our weekly Materials Science seminar series, held Fridays at 1:30 p.m. in MCMR 205. Open to the public, refreshments provided.

Binder Jet Additive Manufacturing (BJAM) distinguishes itself from more conventional fusion-based 3D printing methods as a non-thermal, solid-state approach. Instead of melting the feedstock with a laser or electron beam, BJAM selectively deposits a binder layer-by-layer to shape 3D structures in a powder bed. This enables the printing of very complex shapes including steep angles and overhanging structures without thermal residual stresses or columnar grain structures common in beam-based methods. However, the resulting green structure is of chalk-like consistency, and a high temperature heat treatment (i.e., sintering) is required for most applications to facilitate debinding and consolidation of the structure into its final shape.
This seminar will detail advantages and disadvantages of BJAM and contextualize it within the broader additive manufacturing landscape, and present different studies on both structural and functional materials and routes to fully dense structures. Discussion will focus especially on processing routes designed to achieve fully dense, high-performance parts, as well as counter-strategies that intentionally exploit the inherent porosity of BJAM structures for specialized applications for biomedical and functional materials applications.

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Co-hosted with: College of Engineering

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