| About this Abstract |
| Meeting |
2020 TMS Annual Meeting & Exhibition
|
| Symposium
|
Additive Manufacturing: Processing Effects on Microstructure and Material Performance
|
| Presentation Title |
Microstructure and Micro-mechanical Property Evolution of Cold Sprayed Al 6061 Coatings with Isothermal Heat-treatment |
| Author(s) |
Benjamin A. Bedard, Tyler J. Flanagan, Aaron Nardi, Avinash M. Dongare, Harold D. Brody, Victor K. Champagne, Seok-Woo Lee, Mark Aindow |
| On-Site Speaker (Planned) |
Benjamin A. Bedard |
| Abstract Scope |
In the Cold Spray (CS) process, metallic powders are deposited using a super-sonic gas stream at relatively low temperatures. If the powder particles exceed a material-dependent critical velocity, then they bond to the substrate surface and form a dense, adherent coating. Preliminary studies on Al 6061 CS single-impact deposits and coatings have revealed baseline microstructural features, mechanical properties, as well as microstructural anisotropy between the directions parallel to and perpendicular to the spray direction. However, the dynamics of these phenomena with ex-situ heat-treatment has gone relatively unstudied. In this work, we have subjected pieces of an Al 6061 CS coating to a series of isothermal heat treatments in order to investigate the evolution of secondary phases, grains, and mechanical properties as a function of thermal history and orientation. |
| Proceedings Inclusion? |
Planned: Supplemental Proceedings volume |