| About this Abstract |
| Meeting |
2021 Annual International Solid Freeform Fabrication Symposium (SFF Symp 2021)
|
| Symposium
|
Modeling
|
| Presentation Title |
Support Structure Geometry influences on Strength and Removability for LPBF AM |
| Author(s) |
Samantha Welch |
| On-Site Speaker (Planned) |
Samantha Welch |
| Abstract Scope |
Support structures are necessary when additively manufacturing a wider range of geometry in metal laser powder bed fusion. These scaffold-like structures perform multiple roles providing a structural and thermal interface to build part geometry, and are removed from the part post-build. While many variables exist for generating support geometry, few quantitative comparisons exist to show the influence of these variables in application. This study investigates the influences of support geometry changes on supported area strength and removability using tensile coupons fabricated in multiple material/parameter combinations. The results show that a larger tooth sizing is beneficial to both support strength and removability while decreased grid spacing aids in strength but not removability. A relationship between part parameters and z-offset settings is also observed. The quantitative results and settings recommendations for support structures from this study can be used to improve the success rate of builds and part geometry requiring support structures. |
| Proceedings Inclusion? |
Definite: Post-meeting proceedings |