About this Abstract |
Meeting |
2024 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2024)
|
Symposium
|
2024 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2024)
|
Presentation Title |
Multi-Material Integration in Laser Powder Bed Fusion |
Author(s) |
Bharath Bhushan Ravichander, Golden Kumar |
On-Site Speaker (Planned) |
Bharath Bhushan Ravichander |
Abstract Scope |
The laser powder bed fusion (LPBF) process can produce net-shaped intricate metal components, but typically, the LPBF machines are designed for handling a single metal powder. This study evaluates the integration of an additional powder dispensing and removal system to enable the fabrication of multi-material metal components using a commercial LPBF printer. The system allows the simultaneous dispensing of two or potentially more metal powders during the recoating process, opening new opportunities for functional grading in LPBF metal parts. A crack-free SS316L-IN718 bimetallic specimen was fabricated to demonstrate the capability of the modified LPBF system. Optical and scanning electron microscopy were used to characterize the interface's melt pool geometry and composition. The results show that a simple and detachable powder dispensing system can incorporate dissimilar metals in LPBF parts. |
Proceedings Inclusion? |
Definite: Post-meeting proceedings |