About this Abstract |
Meeting |
MS&T22: Materials Science & Technology
|
Symposium
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Additive Manufacturing of Metals: Microstructure, Properties and Alloy Development
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Presentation Title |
Different Additive Manufacturing Routes for Magnetic Shape Memory Alloys |
Author(s) |
Markus Chmielus, Pierangeli Rodriguez de Vecchis, Erica Stevens, Aaron Acierno, Jakub Toman |
On-Site Speaker (Planned) |
Markus Chmielus |
Abstract Scope |
Ni-Mn-Ga-based ferromagnetic shape memory alloys have been recently additive manufactured by different beam- and non-beam-based methods such as binder jet 3D printing, direct laser deposition, selective laser melting, and 3D ink printing. The as-manufactured and final microstructures and properties of each of these fundamentally different additive manufacturing (AM) techniques results are very different as well and can be exploited differently. While energy-beam-based AM methods melt feedstock powder and build dense as-printed parts, non-energy-beam-based methods result in highly porous green samples. Independent of the AM methods, post-AM processing is needed for magnetic shape memory alloys to either homogenize highly segregated microstructures or to (partially) densify porous green structures. In this talk, the microstructures and properties of AM Ni-Mn-Ga magnetic shape memory alloys and post-processing routes will be compared, and paths to functionality will be discussed. |