About this Abstract |
Meeting |
6th International Congress on 3D Materials Science (3DMS 2022)
|
Symposium
|
6th International Congress on 3D Materials Science (3DMS 2022)
|
Presentation Title |
Tribeam Tomography of a Novel CoNi-superalloy for Laser Additive Processing |
Author(s) |
James Lamb, Andrew Polonsky, McLean Echlin, Kira Pusch, Aurelien Botman, Steven Randolph, Remco Geurts, Jorge Filevich, Tresa Pollock |
On-Site Speaker (Planned) |
James Lamb |
Abstract Scope |
The geometric flexibility of additive manufacturing offers the possibility of advanced component designs for materials in extreme environments. However, many of the advanced gamma prime-containing nickel superalloys used for critical components in the hot section of turbine engines are not easily processed via additive technologies due to their tendency to crack on solidification in welding conditions. Here we present a 3D characterization of a novel gamma prime containing CoNi-superalloy with inherent oxidation resistance that is amenable to the high solidification velocities and large thermal gradients generated during laser additive processing. The role of edge effects, both with and without a contour scan applied, on as-deposited microstructure occurring at the part-powder interface will be discussed. Using electron backscatter diffraction (EBSD) data collected in 3D, the accumulation of misorientation and microstructural dependence on scan strategy will also be discussed. |
Proceedings Inclusion? |
Definite: Other |