About this Abstract |
Meeting |
2022 TMS Annual Meeting & Exhibition
|
Symposium
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Additive Manufacturing: Materials Design and Alloy Development IV: Rapid Development
|
Presentation Title |
J-32: Investigation of Solidification Kinetics and Its Effect on Mechanical Response of IN718 Fabricated via Selective Laser Melting |
Author(s) |
Digvijay Parganiha, Priyanka Agrawal, Ravi Sankar Haridas, Rajiv S. Mishra, Hirotsugu Kawanaka, Shinji Matsushita, Yusuke Yasuda, Seung Hwan C. Park, Wei Yuan |
On-Site Speaker (Planned) |
Digvijay Parganiha |
Abstract Scope |
The microstructural evolution in the selective laser melting processed IN718 alloy was evaluated and linked with the mechanical response during monotonic and cyclic deformation. The microstructural features studied included texture, grain size and morphology, type of precipitates and volume fraction, elemental partitioning, and defects. The investigation was carried out in different sample orientations with respect to the built direction to study the anisotropy. The thermal gradient at different locations along the built direction was related to the macrotexture to understand the microstructural evolution. This aided in understanding the solidification kinetics and correlating it to the solidification map of IN718 (a plot of the thermal gradient, G, vs. the growth rate, R.) |
Proceedings Inclusion? |
Planned: |
Keywords |
Additive Manufacturing, Characterization, Mechanical Properties |