| About this Abstract |
| Meeting |
2020 TMS Annual Meeting & Exhibition
|
| Symposium
|
Additive Manufacturing: Materials Design and Alloy Development II
|
| Presentation Title |
Site-specific Alloying of Low Carbon Steel Through Binder Jet Additive Manufacturing |
| Author(s) |
Karl P. Davidson, Po-Ju Chiang, Lihua Zhao, Matteo Seita |
| On-Site Speaker (Planned) |
Karl P. Davidson |
| Abstract Scope |
Binder jet additive manufacturing (BAM) enables mass production of near-net-shape parts with minimal post processing requirements for a range of industries and applications. One additional advantage of BAM over other metal additive modalities is the ability to tailor the alloy composition—and thus the local microstructure—of the fabricated parts by employing multiple binders with different alloying elements. In this proof of concept work, we emulate the BAM process using press-bar samples of low carbon steel powders with location-specific deposition of a carbon-containing agent. By controlling the sintering process of the preforms, we produce samples with site-specific microstructures, which exhibit variable microhardness values in accordance with the carbon content. Our results indicate the possibility of using BAM to fabricate parts with topology optimised microstructures. |
| Proceedings Inclusion? |
Planned: Supplemental Proceedings volume |